28

Circuit Breaker Operating Mechanisms

Flange Mounted – Fixed Depth

 

December 2004

 

 

 

 

Product Description

 

 

 

 

Type C371 Circuit Breaker Operating

 

 

 

 

Mechanisms are designed for installa-

 

 

 

 

tion in control enclosures where main

 

 

 

 

or branch circuit protective devices are

 

 

 

 

required. All circuit breaker mecha-

 

 

 

 

nisms are suitable for right hand

 

 

 

 

mounting.

 

 

 

 

Auxiliary contacts are not available for

 

 

 

 

mounting on operating mechanism.

 

 

 

 

Where required, have them installed in

 

 

 

 

circuit breaker.

Complete Circuit Breaker

 

Handle Only – C371H1

 

 

 

Operating Mechanism with

 

 

 

 

 

 

Operating Handle – C371E1

 

 

 

 

 

 

Table 29. Operating Mechanisms for Circuit Breakers — Flange Mounted Variable Depth

 

 

 

 

 

 

 

 

 

Circuit Breaker or

Frame

Variable Depth

Operating

Operating Mechanism With 4 Inch Handle & Rod

 

Motor Circuit

Size

Mounting

Mechanism Only

 

 

 

For NEMA 1-12 Enclosure

For NEMA 4 Enclosure

 

Protector

 

Range

– Does Not

 

 

 

 

 

 

 

Min./Max.

Include Handle

 

 

 

 

 

(Inches)

 

 

 

 

 

 

Catalogue

Catalogue Number

Catalogue Number

 

 

 

 

 

 

 

 

Number

 

 

 

 

 

 

 

 

 

 

HMCP, EHD, FDB, FD, FDC, HFD

150

6-1/2 to 16

C371E

C371E1

C371E2

 

 

 

 

 

 

 

 

HMCP, HJD, JD, JDB, JDC

250

6-1/2 to 16-5/8

C371F

C371F5

C371F6

 

HMCP, DK, HKD, KD, KDB

400

 

 

 

 

 

HLD, LD, LDC

600

8-1/2 to 22

C371G

C371G5

C371G6

 

 

 

 

 

 

 

 

MD, MDS

800

8-3/4 to 22

C371K

C371K5

C371K6

 

HND, ND, NDC

1200

9-3/4 to 22

 

 

 

 

For increased maximum allowable depth, see Connecting Rods below.

Dimensions shown are from panel flange surface.

Table 30. Handle Only

Circuit Breaker

NEMA

Operating

Catalogue

 

 

 

Frame Size

Enclosure

Handle

Number

 

 

 

(Amperes)

Type

Length

 

 

 

 

 

 

 

 

 

 

 

150

1-3R-3-12

4 Inches

C371H1

 

 

 

 

4

4 Inches

C371H2

+

 

+

 

 

 

 

 

 

1-3R-3-12

6 Inches

C371H3

 

 

4

6 Inches

C371H4

 

250 thru

1-3R-3-12

4 Inches

C371H5

 

 

 

1200

4

4 Inches

C371H6

Motor Circuit Protectors

Listed Above

Listed Above

 

 

 

 

 

1-3R-3-12

6 Inches

C371H7

 

Circuit Breakers

Operating Mechanisms

Operating Handle

 

4

6 Inches

C371H8

 

 

 

 

 

 

 

 

 

 

 

Channel Support Kit –

Rod not supplied in Kit

For use to prevent bending of the operating handle mounting surface. This is especially useful when the operating handle is mounted on a channel in a multi-door enclosure. Kit included in 600 through 1200 ampere mechanisms. Catalogue Number C371CS6

Table 31. Connecting Rods

Increase Maximum Allowable Depth by 5 Inches

Application

Catalogue Number

 

 

Disconnect Switches

C371CS1

30 , 60, 100, 200 Ampere

 

Circuit Breakers

 

150, 250, 400 Ampere

 

 

 

Circuit Breakers

C371CS2

600, 800, 1200 Ampere

 

For Safety Door Hardware – see Page 27

For more information visit us at: www.eatonelectrical.ca

Page 29
Image 29
Eaton Electrical Disconnect Switches manual Channel Support Kit Rod not supplied in Kit