The EL3003R is a molded case circuit breaker accessory current limiter. It provides enhanced short-circuit protection when paired with a compatible motor circuit protector.
Which motor circuit protectors are compatible with this current limiter?
This unit is specifically designed to mount to and operate with the Eaton Cutler-Hammer MCP0322R motor circuit protector.
What frame sizes accept the EL3003R current limiter?
It is compatible with Eaton Series C, J-Frame and K-Frame molded case circuit breakers.
What is the maximum voltage and interrupting rating for this unit?
The EL3003R is rated for systems up to 600V AC and provides a high interrupting rating of 200kA symmetrical at 600V when used with a compatible MCP.
Can the EL3003R operate as a standalone circuit breaker?
No, it is an accessory current limiter that provides instantaneous, magnetic-only protection. It must be installed alongside a compatible 3A motor circuit protector to function properly.
Under what brand names might this current limiter be labeled?
Depending on the manufacturing date, the EL3003R may be labeled under the Eaton, Cutler-Hammer, or Westinghouse brands. All are functionally identical and interchangeable.
Is the EL3003R current limiter UL listed?
Yes, this current limiter is UL Listed for safety and compliance in commercial and institutional electrical applications.
What are the physical dimensions of the EL3003R?
The current limiter measures approximately 5.3 inches in length, 5.2 inches in width, and 5.1 inches in height.
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