Sprecher + Schuh 联系器产品目录说明书

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2024年7月25日发(作者：)

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Contactors –

General Purpose

and Definite

Purpose

A rugged and

comprehensive range

of contactors from 5

to 900 HP

Sprecher + Schuh’s broad line of general

purpose contactors combine perfor-

mance and reliability in space saving

designs that are well proven and used

the world over. Sprecher + Schuh’s

IEC design is dimensionally among

the smallest devices in the industry. A

range of definite purpose contactors is

also available, providing reliable and

economic performance in commercial

applications.

Economy and selection

Four different contactor families provide

a wide variety of contactor sizes, one for

practically every horsepower increment!

The ability to select intermediate sizes

assures a closer match for your motor

and provides economy not found with

traditionally sized devices. Definite pur-

pose contactors are available in one, two,

three and four pole, up to 90A.

Limitless choices

A comprehensive selection of modular

accessories is available for all contactor

families, which allows infinite contactor

and starter combinations, both open and

enclosed.

Safety in mind…

Virtually all Sprecher + Schuh

contactors are designed to be safe from

accidental contact with the finger or

back-of-hand. On the smaller contactors,

terminals and set screws are recessed,

while larger devices (up to Series CA9)

accept terminal covers that provide

protection according to VDE 0106, Part

100.

Precisely match the

contactor to the application

Unique to IEC-style contactors is the

ability to select the exact device required

for a specific application. By identify-

ing the conditions under which the

contactor will be used, i.e., resistive

loads, reversing, inching and plugging,

etc., published “life-curve” data predicts

contact life in millions of operations.

This information enables you to select

the precise contactor for your applica-

tion… without buying too much or too

little.

Manufactured to rigorous

quality standards

Sprecher + Schuh contactors are de-

signed and manufactured in plants that

maintain quality certification to the

rigorous international standards, ISO

9001. Sprecher + Schuh manufacturing

facilities renew ISO certification every

three years by passing an exacting qual-

ity assurance audit.

Designed for long life

Destructive electrical arcs are com-

mon when opening or “breaking” the

contacts of larger contactors. Sprecher

+ Schuh general purpose contactors are

designed to dramatically reduce electri-

cal arcing by quickly guiding the arc

off of the contacts and into specially de-

signed “arc chutes.” This special design

divides and eliminates the electrical arcs

quickly, significantly increasing contact

life and assuring reliable operation.

International standards and

approvals

All Sprecher+Schuh IEC contactors are

cULus CSA Approved, along with sev-

eral other certifications. They also carry

the CE Mark and meet IEC 60947-1

requirements. They are approved in

virtually every international market.

Sprecher+Schuh IEC contactors are designed

and manufactured in plants that are quality

certified to international standard ISO 9001

A2

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7.5HP 50HP 75HP 900HP

CA8 Series Contactor

• Provides commercial-grade performance for motors up to 7.5 HP

• Features low-profile design and 45mm width

• Maintains narrow width with modular, snap-on accessories

• Performs up to 700,000 electrical and 15,000,000 mechanical

operations

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CA7 Series Contactor

• Covers up to 75HP industrial applications

• Features small dimensions, as little as 45mm wide

• Uses interchangeable accessories for all contactor sizes

• Provides flexibility with reversible coils for group installation

• Has dual-cage clamp lugs on CA7-30 and larger units

• Designed and tested with respect to Type 1 and 2 Coordination

CA9 Series Contactor

• Covers up to 900HP industrial applications

• Provides a dimensional advantage with a smaller size and footprint

• Features a universal electronic AC/DC coil

• Has various application selections, with IEC solutions up to 2650A

• Includes expanded certifications

• Provides extended life with arc quenching technology

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CDP2 Definite Purpose Contactors

• Covers commercial applications up to 90A / 50HP

• Available in one, two, three and four pole

• Meet or exceed electrical and mechanical requirements defined

by definite purpose contactor standards

• Three convenient wire connection methods

A3

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Motor Current Rating Chart

for Full Load Amps

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Horsepower

1/6

1/4

1/3

1/2

3/4

1

1 1/2

2

3

5

7 1/2

10

15

20

25

30

40

50

60

75

100

125

150

175

200

250

300

350

400

450

500

AC Induction Motors

Single Phase

115 Volt

@ 60 HZ

4.4

5.8

7.2

9.8

13.8

16.0

20.0

24.0

34.0

56.0

80.0

100

135

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

230 Volt

@ 60 HZ

2.2

2.9

3.6

4.9

6.9

8.0

10.0

12.0

17.0

28.0

40.0

50.0

68.0

88.0

110

136

176

216

~

~

~

~

~

~

~

~

~

~

~

~

~

200 Volt

@ 60 HZ

~

~

~

2.5

3.7

4.8

6.9

7.8

11.0

17.5

25.3

32.2

48.3

62.1

78.2

92.0

120

150

177

221

285

359

414

475

552

692

~

~

~

~

~

230 Volt

@ 60 HZ

~

~

~

2.2

3.2

4.2

6.0

6.8

9.6

15.2

22.0

28.0

42.0

54.0

68.0

80.0

104

130

154

192

248

312

360

413

480

604

722

828

954

1030

1180

1.3

1.8

2.3

3.3

4.3

6.1

9.7

14.0

18.0

27.0

34.0

44.0

51.0

66.0

83.0

103

128

165

208

240

275

320

403

482

560

636

711

786

Three Phase

380-415 Volt

@ 50 HZ

460 Volt

@ 60 HZ

~

~

~

1.1

1.6

2.1

3.0

3.4

4.8

7.6

11.0

14.0

21.0

27.0

34.0

40.0

52.0

65.0

77.0

96.0

124

156

180

207

240

302

361

414

477

515

590

575 Volt

@ 60 HZ

~

~

~

0.9

1.3

1.7

2.4

2.7

3.9

6.1

9.0

11.0

17.0

22.0

27.0

32.0

41.0

52.0

62.0

77.0

99.0

125

144

168

192

242

289

336

382

412

472

The information in this chart was derived from Table 50.1 of UL multi-speed motors will have full-load currents varying with speed.

standard 508A. The voltages listed are rated motor voltages. The In these cases, the nameplate current ratings shall be used.

currents listed shall be permitted for system voltage ranges of 110-

120, 220-240, 380-415, 440-480 and 550-600 n: The actual motor amps may be higher or lower than the

average values listed above. For more reliable motor protection, use

The full-load current values are for motors running at usual speeds and the actual motor current as listed on the motor nameplate. Use this

motors with normal torque characteristics. Motors built for especially table as a guide only.

low speeds or high torques may have higher full-load currents, and

A4

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Contactor HP Rating Table

for AC Motors

UL / CSA Maximum HP Rating Selection ➊

Maximum Horsepower

Sprecher + Schuh

Contactor Series

CA7-9

CA7-12

CA7-16

CA7-23

CA7-30

CA7-37

CA7-43

CA7-55

CA7-60

CA7-72

CA7-85

CA7-97

CA9-116(-EI)

CA9-146(-EI)

CA9-190(-EI)

CA9-205(-EI)

CA9-265(-EI)

CA9-305(-EI)

CA9-370(-EI)

CA9-400-EI

CA9-460-EI

CA9-580-EI

CA9-750-EI

CA9-860-EI

CA9-1060-EI

1/2

1/2

1

2

2

3

3

5

5

5

7-1/2

10

~

~

~

~

~

~

~

~

~

~

~

~

~

A

Three Phase

460 Volt

5

7-1/2

10

15

20

25

30

40

40

50

60

75

75

100

105

150

200

250

300

300

400

500

600

800

900

575 Volt

7-1/2

10

15

15

25

30

30

40

50

60

60

75

100

125

150

200

250

300

350

400

500

600

700

1000

1150

Single Phase

115 Volt230 Volt

1 1/2

2

3

3

5

5

7-1/2

10

10

15

15

20

~

~

~

~

~

~

~

~

~

~

~

~

~

200 Volt

2

3

5

5

7-1/2

10

10

15

15

20

25

30

30

40

50

60

75

100

125

125

150

200

~

~

~

2

3

5

7-1/2

10

10

15

20

20

25

30

30

40

50

60

75

100

125

150

150

200

250

300

400

450

230 Volt

NEMA Size Labeled Selection

Maximum Horsepower

NEMA

Size

00

0

1

2

3

Sprecher + Schuh

Contactor Series

CAN7-12

CAN7-16

CAN7-37

CAN7-43

CAN7-85

1/3

1

2

3

Single Phase

115V230V

1

2

3

7-1/2

15

200V

1-1/2

3

7-1/2

10

25

Three Phase

230V

1-1/2

3

7-1/2

15

30

460V

2

5

10

25

50

575V

2

5

10

25

507-1/2

➊ “EI” designation indicates coil has electronic interface capability with a PLC.

A5

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Contactor HP Rating Table

for DC Motors

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DC Motor Ratings

Table 50.2

Full-load motor-running currents in amperes corresponding to various DC horsepower ratings

Table 50.2 effective April 25, 2003

Horsepower

1/10

1/8

1/6

1/4

1/3

1/2

3/4

1

1-1/2

2

3

5

7-1/2

10

15

20

90 Volts

~

~

~

4.0

5.2

6.8

9.6

12.2

~

~

~

~

~

~

~

~

110-120 Volts

2.0

2.2

2.4

3.1

4.1

5.4

7.6

9.5

13.2

17

25

40

58

76

110

148

180 Volts

~

~

~

2.0

2.6

3.4

4.8

6.1

8.3

10.8

16

27

~

~

~

~

220-240 Volts

1.0

1.1

1.2

1.6

2.0

2.7

3.8

4.7

6.6

8.5

12.2

20

29

38

55

72

500 Volts

~

~

~

~

~

~

~

~

~

~

~

~

13.6

18

27

34

550-600 Volts

~

~

~

~

~

~

1.6

2.0

2.7

3.6

5.2

8.3

12.2

16

24

31

A6

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General Information

Industrial Control Equipment - UL508

Table 139.1 – Rating Codes for AC Control-Circuit Contacts at 50 and 60 Hz ➍

Contact Rating

Code

Designation ➊

A150

A300

A600

B150

B300

B600

C150

C300

C600

D150

D300

E150

120 Volt

Make

60

60

60

30

30

30

15

15

15

3.60

3.60

1.80

Break

6.00

6.00

6.00

3.00

3.00

3.00

1.5

1.5

1.5

0.60

0.60

0.30

240 Volt

Make

~

30

30

~

15

15

~

7.5

7.5

~

1.80

~

Break

~

3.00

3.00

~

1.50

1.50

~

0.75

0.75

~

0.30

~

480 Volt

Make

~

~

15

~

~

7.50

~

~

3.75

~

~

~

Break

~

~

1.50

~

~

0.75

~

~

0.375

~

~

~

600 Volt

Make

~

~

12

~

~

6

~

~

3.00

~

~

~

Break

~

~

1.20

~

~

0.60

~

~

0.30

~

~

~

Make

7200

7200

7200

3600

3600

3600

1800

1800

1800

432

432

216

Break

720

720

720

360

360

360

180

180

180

72

72

36

10

10

10

5

5

5

2.5

2.5

2.5

1.0

1.0

0.5

Table 139.2 – Rating Codes for DC Control-Circuit Contacts ➍

Contact Rating

Code

Designation ➊

N150

N300

N600

P150

P300

P600

Q150

Q300

Q600

R150

R300

Thermal

continuous

test current

Aamperes

10

10

10

5.0

5.0

5.0

2.5

2.5

2.5

1.0

1.0

Maximum make or break current, Amperes ➌

125 Volt

2.2

2.2

2.2

1.1

1.1

1.1

0.55

0.55

0.55

0.22

0.22

250 Volt

~

1.1

1.1

~

0.55

0.55

~

0.27

0.27

~

0.11

301 to 600 Volt

~

~

0.40

~

~

0.20

~

~

0.10

~

~

Maximum make

or break volt-

Amperes at 300

volts or less

275

275

275

138

138

138

69

69

69

28

28

➊ The numerical suffix designates the maximum voltage design values, which are to be 600, 300, and 150 volts for

suffixes 600, 300, and 150 respectively. Test voltage shall be 600, 250, or 125 volts.

➋ For maximum ratings at voltages between the maximum design value and 120 volts, the maximum make and break

ratings are to be obtained by dividing the volt-amperes rating by the application voltage. For voltages below 120 volts,

the maximum make current is to be the same as for 120 volts, and the maximum break current is to be obtained by

dividing the break volt-amperes by the application voltage, but these currents are not to exceed the thermal continuous

test current.

➌ For maximum ratings at 300 volts or less, the maximum make and break ratings are to be obtained by dividing the volt-

ampere rating by the application voltage, but the current values are not to exceed the thermal continuous test current.

➍ Data tables extracted from UL508 Standards for Industrial Control Equipment.

A7

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Thermal

continuous

test current

Amperes

Maximum current, amperes ➋

Maximum volt-

Amperes

A

General Information

How to read Contact Life Curves

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Predicting Electrical Life

Sprecher + Schuh contactors are designed for superior per-

formance in a wide variety of applications, by giving consid-

eration to the specific load, utilization category and required

electrical life, you can purchase exactly the type and size of

contactor required. This assures reliable operation and high

value the ability to very closely match the contactor to the ap-

plication.

Utilization

Category

➀

Identify the appropriate utilization

category. For this example, we will

determine CA7 contact life for inching

and plugging squirrel-cage motors. ➊

AC-1

AC-2

AC-3

AC-4

Resistance Furnaces

Slip-ring motors

Squirrel-cage motors

Squirrel-cage motors

➀

AC-15Electromagnets

Definition

Non inductive or slightly inductive loads, Resistive

Furnaces

Starting and stopping of running motors

Starting and stopping of running motors

Starting, plugging, and inching

(Plugging is understood as stopping or reversing the

motor rapidly by reversing the motor primary connec-

tions while the motor is running. Inching [or jogging] is

understood as energizing a motor once or repeatedly for

short periods to obtain small movements of the driven

mechanism.)

Electromagnets for contactors, valves, solenoid actua-

tors

Squirrel-cage motors: starting, plugging, inching Ue = 230…460 VAC

C

A

7

-

6

0

C

A

7

-

7

2

to most Utilization Categories can be

found in each contactor section.)

➃

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i

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(

M

i

l

l

i

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s

o

f

O

p

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)

10

CA7-23

CA7-16

C

A

7

-

8

5

C

A

7

-

9

7

➁

Choose the graph for the utilization

category selected. (a graph pertaining

➂

C

A

7

-

3

0

C

A

7

-

3

7

C

A

7

-

4

3

AC-4

CA7-12

1

CA7-9

➁

Locate the Rated Operational Current

(Ie) along the bottom of the chart and

follow the graph lines up to the inter-

section of the appropriate contactor’s

life-load curve.

0.1

➃

Read the estimated contact life along

the vertical axis. ➋

.01

110100

Rated Operating Current Ie AC-4 [A]

➂

➊ A comprehensive list of Utilization Categories can be found in each contactor section, however, these are

the primary categories used in most industrial motor applications.

➋ The life-load curves shown here are based on Sprecher+Schuh tests according to the requirements

defined in IEC 60947-4-1. Since contact life in a given application is dependent on environmental

conditions and duty cycle, actual application contact life may vary from that indicated by the curves

shown here.

A8

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General Information

How to read Contact Life Curves

Determining Contact Life

To determine the contactor’s estimated electrical life, follow these

guidelines:

1. Identify the appropriate Utilization Category from Table A.

2. In the technical pages for each contactor size, choose the graph

for the Utilization Category selected.

3. Locate the Rated Operational Current (l

e

) along the bottom of the

chart and follow the graph lines up to the intersection of the appro-

priate contactor’s life-load curve.

4. Read the estimated contact life along the vertical axis.

A

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Table A – IEC Special Utilization Categories, AC Ratings ➊

Cat-

egory

Conditions for testing

electrical life

Typical ApplicationsRated Current

I/Ie

AC-1

AC-2

AC-3

C

O

N

T

A

C

T

O

R

S

Non-inductive or slightly

inductive loads; resistance

furnaces

Slip-ring motors:

Starting, plugging

Slip-ring motors:

Starting, switching off

motors during running

Squirrel-cage motors:

Starting, plugging, inching

➎

All values

All values

Ie 17Amp

17Amp

100Amp

Ie> 100Amp

Ie 17Amp

17Amp

100Amp

Ie> 100Amp

1

2

6

6

6

6

6

6

2

1

Conditions for testing making and

breaking capacity

Ops.

cos

0.95

0.65

0.65

0.35

0.35

0.65

0.35

0.35

0.45

6000

6000

6000

I/Ie

1.5

4

10

10

8 ➋

12

12

10 ➍

3

1.5

Make

U/

ue

1

cosIc/Ie

0.951

2

1

1

1

6

6

6

2

1

Break

Ur/

Ue

1

1.05

0.17

0.17

0.17

1

1

1

1.05

1.05

Make

U/ue

1.05

1.05

1.1

1.1

1.1

1.1

1.1

1.1

1.05

1.05

cos

0.8

0.65

0.65

0.35

0.35

0.65

0.35

0.35

0.45

Break

Ic/IeU/ue

1.5

4

8

8

6 ➌

10

10

8 ➋

3

1.5

1.05

1.05

1.1

1.1

1.1

1.1

1.1

1.1

1.05

1.05

cos

0.8

0.65

0.65

0.35

0.35

0.65

0.35

0.35

0.45

Ops.

50

50

50

1.050.65

1

1

1

1

1

1

0.65

0.35

0.35

0.65

0.35

0.35

AC-4

AC-5a

6000

6000

6000

50

50

50

Switching of electric discharge

lamp control

Switching of incandescent

AC-5b

lamps

1.050.45

1.05

AC-6aSwitching of transformers

AC-6bSwitching of capacity banks

AC-12

AC-13

C

O

N

T

R

O

L

D

E

V

I

C

E

S

AC-14

AC-15

AC-20

AC-21

S

W

I

T

C

H

E

S

AC-22

AC-23

Control of resistive loads and

solid state loads with isolation

by opto couplers

Control of solid state loads

with transformer isolation

Control of small electromag-

netic loads

Control of electromagnetic

loads

Connecting and disconnecting

under no load conditions

Switching or resistive loads,

including moderate overloads

Switching of mixed resistive

& inductive loads, including

moderate overloads

Switching of motor loads or

other highly inductive loads

All values1

2

72 VA

72 VA

6

10

1

1

1

1

0.9

0.65

0.3

0.3

1

1

1

1

1

1

1

1

0.9

0.65

0.3

0.3

6050

6050

6050

6050

Rating derived from AC-3 rating (x 0.45)

Depends on circuit conditions of applica-

tion

10

6

10

1.1

1.1

1.1

0.65

0.7

0.3

1.1

6

10

1.1

1.1

1.1

0.65

0.7

0.3

10

10

10

No testing required

All values

All values

All values

1

1

1

1

1

1

0.95

0.8

0.65

1

1

1

1

1

1

0.9510000

0.810000

1.5

3

10

1.05

1.05

1.05

0.95

0.65

0.45

1.5

3

8

1.05

1.05

1.05

0.95

0.65

0.45

5

5

50.6510000

Legend

Ue Rated operational voltage

U Voltage before make

Ur Recovery voltage

Ie Rated operational current

I Making current

Ic Breaking current

L Inductance of test circuit

R Resistance of test circuit

➊ Utilization categories and test conditions for AC & DC. For contactors

according to IEC 158-1, starters according to IEC 292-1 ... 4 and control

switches according to IEC 337-1 and IEC 337-1A.

➋ With a minimum value of 1000A for I or Ic.

➌ With a minimum value of 800A for Ic.

➍ With a minimum value of 1200A for I.

➎ Plugging is understood as stopping or reversing the motor rapidly by

reversing the motor primary connections while the motor is running. Inching

[or jogging] is understood as energizing a motor once or repeatedly for short

periods to obtain small movements of the driven mechanism.

A9

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General Information

How to read Contact Life Curves

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Determining Contact Life

To determine the contactor’s estimated electrical life, follow these

guidelines:

1. Identify the appropriate Utilization Category from Table A.

2. In the technical pages for each contactor size, choose the graph

for the Utilization Category selected.

3. Locate the Rated Operational Current (l

e

) along the bottom of the

chart and follow the graph lines up to the intersection of the appro-

priate contactor’s life-load curve.

4. Read the estimated contact life along the vertical axis.

Conditions for testing making and

breaking capacity

Ops.

cos

1

7.5

2

10

7.5

6 x P

➌

I/Ie

Make

U/uecos

1 ➋

2.5

2.5

15

15

6 x P

➌

Ic/Ie

Break

U/uecos

1 ➋

2.5

2.5

15

15

6 x P

➌

Table A – IEC Special Utilization Categories, DC Ratings ➊

Conditions for testing

electrical life

CategoryTypical ApplicationsRated Current

Make

I/IeU/ue

DC-1

DC-2

DC-3

DC-4

DC-5

DC-15

Non-inductive or slightly

inductive loads, resistance

furnaces

Shunt-motors:

Starting, switching

off motors during running

Shunt motors:

Starting, plugging, inching

Series-motors:

Starting , switching

off motors during running

Series-motors:

Starting, plugging, inching

Electromagnets for

contactors, valves, solenoid

actuators

All Values

All Values

All Values

All Values

All Values

All Values

1

2.5

2.5

2.5

2.5

1

1

1

1

1

1

1

cos

1

2

2

7.5

7.5

6 x P

➌

Ic/Ie

1

1

2.5

1

2.5

1

Break

Ur/

Ue

1

0.1

1

0.3

1

1

Ops.

1.5 ➋1.1 ➋

4

4

4

4

1.1

1.1

1.1

1.1

1.1

1.1

1.5 ➋1.1 ➋

4

4

4

4

1.1

1.1

1.1

1.1

1.1

1.1

CA7 Contactors for Elevator Duty

Minimum Operational Life

Contactor

CA7-9

CA7-12

CA7-16

CA7-23

CA7-30

CA7-37

CA7-43

CA7-55

CA7-60

CA7-72

CA7-85

CA7-97

Cycles

CNX Special Purpose Contactor

Minimum Operational Life in Resistive Applications

Contactor

CNX-205

CNX-205

CNX-206

CNX-207

CNX-208

CNX-209

CNX-212

CNX-218

Cycles

Legend

Ue Rated operational voltage

U Voltage before make

Ur Recovery voltage

Ie Rated operational current

I Making current

Ic Breaking current

L Inductance of test circuit

R Resistance of test circuit

250,000 ➍

500,000

➍➎

100,000 ➍

➊ Utilization categories and test conditions for AC & DC. For contactors

according to IEC 158-1, starters according to IEC 292-1 ... 4 and control

switches according to IEC 337-1 and IEC 337-1A.

➋ Only according to VDE.

➌ P = Ue x Ie rated power [W]. The value “6 x P” has been derived from an

empiric relationship which covers most magnetic loads for DC up to an

upper limit of P = 50W.

➍ Life data shown are the minimum test requirements per UL/CSA. Actual

life in application may exceed these values.

➎ Value pending on 55A and 97A contactors at time of this printing.

A10

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General Information

Open Contactors

Contactor Catalog Numbers

tions when specifying contactors and reversing contactors

Sprecher+Schuh employs a catalog number coding system

(open type only). See Section C for an explanation of the cata-

for contactors (and many other devices) that follows a logical

log number coding system for enclosed contactors and starters.

pattern, where every digit signifies a specific device attribute.

Where indicated, the use of dashes (–) serves to separate device

characteristics and should always be used when ordering.

The following example illustrates all of the possible combina-

A

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CA

CAU

CA 7-12 - 10 - 120

Contactor

Reversing

Contactor

CANNEMA Labeled

Contactor

CA(V)LLighting Contactor

CNXSpecial Purpose

Contactor

CA_Y2Elevator Wye-Delta

Configuration

Series CA8

8-09(C)

8-12(C)

Contactor Series

Series CA7 ➊

7-9(E)

7-12(E)

7-16(E)

7-23(E)

7-30(E)

7-37(E)

7-40(E)

7-43(E)

7-55(E)

7-60(D)

7-72(D)

7-85(D)

7-90(D)

7-97(D)

Series CA9

➋

9-116(-EI)

9-146(-EI)

9-190(-EI)

9-205(-EI)

9-265(-EI)

9-305(-EI)

9-365(-EI)

9-400-EI

9-460-EI

9-580-EI

9-750-EI

9-860-EI

9-1060-EI

9-1260-EI

9-2050-EI

9-2650-EI

-10

-01

-11

-02

-22

-00

Auxiliary Contacts

N.O. Auxiliary

N.C. Auxiliary

N.O. & N.C. Auxiliary

2 N.C. Auxiliaries

2 N.O. & 2 N.C. Aux.

No Auxiliaries

AC

24Z

120

220W

277

415

480

600

Coil Code

DC

12E

24E, 24DD

24W

36E

48E

110E, 110DD

220E

AC/DC

24W

48W

120W

480W

4-pole CA7 & CA8 Contactors ➌

-M40

-M31

-M22

4 N.O. Power Poles

3 N.O. Power Poles/

1 N.C. Power Pole

2 N.O. Power Poles/

2 N.C. Power Poles

This illustration is for reference only.

Turn to the appropriate page to determine

specific catalog number.

➊ (D) and (E) suffix designates DC contactors.

➋ (-EI) suffix indicates electronic coil. Optional on CA9-116…365, standard on CA9-400…2650.

➌ On four pole contactors, this number designates main power pole configuration.

A11

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General Information

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Notes

A12

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