Eaton Electrical Disconnect Switches manual Circuit Breaker Operating Mechanisms, 150 C371FE1

December 2004

Circuit Breaker Operating Mechanisms

Flange – Variable Depth, Flange Mounted – Fixed Depth 29

Mounting Dimension Requirements

Dimension A = 0.75 in. plus the required wire bending spacing selected from Article 430-10 of the National Electrical Code.

Dimension B = Minimum or maximum depth from inside of flange holding operating handle to panel where Circuit Breaker is mounted.

(variable depth, see page 22)

Dimension C = 150 Ampere Size – 0.67 in. 250 Ampere Size – 0.625 in.

400 Ampere Size – 0.187 in.

600 Ampere Size – 1.71 in.

800 – 1200 Ampere Size – 5.17 in.8

Technical Data and Specifications

Product Description

Type C371 Circuit Breaker Operating Mechanisms are designed for installa- tion in control enclosures with a right hand flange and where main or branch circuit protective devices are required.

Auxiliary contacts are not available for mounting on operating mechanism. Where required, have them installed in circuit breaker.

Table 32. Flange Mounted Fixed Depth Operating Mechanisms for Circuit Breaker

Circuit or	Frame	Variable Depth	Operating Mechanism With 4 Inch Handle
Motor Circuit	Size	Mounting	For NEMA 1 or 12 Enclosure
Protector		Range
			Catalogue Number
		Min./Max.
		(Inches)
HMCP, EHD, FDB, FD, FDC, HFD	150	6-1/2	C371FE1
HMCP, HJD, JD, JDB, JDC	250	7	C371FF1
HMCP, DK, HKD, KD, KDB	400

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