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C21-B0-14-615-31A-MJ Littelfuse C21-B0-14-615-31A-MJ is a 15A, 480V, 1-pole magnetic (hydraulic delay) circuit breaker with panel mount and rocker actuator. It is UL489, CSA, TUV, and CCC approved.
Mfr Part #:

C21-B0-14-615-31A-MJ

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse C21-B0-14-615-31A-MJ is a 15A, 480V, 1-pole magnetic (hydraulic delay) circuit breaker with panel mount and rocker actuator. It is UL489, CSA, TUV, and CCC approved.
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C21-B0-14-615-31A-MJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating
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C21-B0-14-615-31A-MJ Description

Short technical summary and product information.

The Littelfuse C21-B0-14-615-31A-MJ is a single-pole magnetic circuit breaker with hydraulic delay, rated for 15A at 480V. It features a rocker actuator and is designed for panel mount installation. The breaker is non-illuminated and carries approvals from CCC, CSA, TUV, and UL489. This type of circuit breaker is commonly used in industrial and commercial applications where reliable overcurrent protection is required. The hydraulic delay mechanism provides time-delayed tripping for inrush currents while ensuring fast response to sustained overloads. The panel mount design allows for easy integration into control panels and distribution boards.

C21-B0-14-615-31A-MJ Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse C21-B0-14-615-31A-MJ 15A 480V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

C21-B0-14-615-31A-MJ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

C21-B0-14-615-31A-MJ Features

  • Rated for 15A at 480V.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount with rocker actuator.
  • UL489, CSA, TUV, CCC approved.
  • Non-illuminated design.

C21-B0-14-615-31A-MJ Applications

  • Used in industrial control panels.
  • Provides overcurrent protection for equipment.
  • Suitable for branch circuit protection.
  • Ideal for commercial distribution boards.

C21-B0-14-615-31A-MJ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating?

480V

What is the mounting type?

Panel Mount

What is the current rating?

15A

What type of circuit breaker is this?

Magnetic (Hydraulic Delay)

How many poles does this breaker have?

1

What approvals does this circuit breaker have?

CCC, CSA, TUV, UL489

What is the actuator type?

Rocker

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