CBW57-EJ-5A The OptiFuse CBW57-EJ-5A is a thermal circuit breaker designed for overcurrent protection. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

CBW57-EJ-5A

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW57-EJ-5A is a thermal circuit breaker designed for overcurrent protection. It features a push-to-reset actuator and panel mount design.
Stock on Request

CBW57-EJ-5A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Frequency
Illumination
Input Voltage
Insulation Resistance
Mounting Type
Number of Poles
Reset Time
Voltage Rating

CBW57-EJ-5A Description

Short technical summary and product information.

The OptiFuse CBW57-EJ-5A is a thermal circuit breaker with a current rating of 5A and a voltage rating of 250 VAC / 32 VDC. It is designed for panel mounting and features a push-to-reset actuator for manual operation.

 

This circuit breaker operates within a frequency range of 50-60 Hz and has an insulation resistance greater than 100MΩ at 500 VDC. The operating ambient temperature range is -10℃ to +60℃. The device is ignition protected according to SAE J1171 and UL1500 standards.

 

Agency approvals include CCC, CSA, cURus, TUV, UR, and VDE, indicating its suitability for various applications. The body is black with tin-plated terminals. Time-current characteristics are provided for different current multiples, detailing trip times.

 

Warnings associated with this device include potential damage from operation beyond specified maximum ratings or improper use, and it is intended for occasional overcurrent protection, not repeated overcurrent conditions.

CBW57-EJ-5A Quick Information

Product Type: Circuit Breaker
Series: CBW57
Canonical Name: OptiFuse CBW57-EJ-5A Thermal Circuit Breaker
Subcategory: Thermal

CBW57-EJ-5A Compliance

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

CBW57-EJ-5A Features

  • Thermal circuit breaker for overcurrent protection.
  • Rated for 5A current and 250VAC/32VDC.
  • Features a push-to-reset actuator.
  • Designed for panel mount installation.
  • Ignition protected to SAE J1171 and UL1500.

CBW57-EJ-5A Applications

  • Overcurrent protection in marine electrical systems.
  • Panel-mounted circuit protection for industrial controls.
  • Power distribution in automotive and RV applications.
  • Protection for lighting and small appliance circuits.

CBW57-EJ-5A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the OptiFuse CBW57-EJ-5A circuit breaker?

The current rating is 5A.

What is the maximum voltage rating for this circuit breaker?

The voltage rating is 250 VAC / 32 VDC.

What type of actuator does the CBW57-EJ-5A have?

It has a push-to-reset actuator.

What is the operating temperature range for this thermal circuit breaker?

The operating ambient temperature range is -10℃ to +60℃.

Is the OptiFuse CBW57-EJ-5A ignition protected?

Yes, it is ignition protected to SAE J1171 and UL1500 standards.

CBW57-EJ-5A Alternate Parts

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CBW57-PS-5A
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The OptiFuse CBW57-PS-5A is a thermal circuit breaker with a 5A rating for 250VAC and 32VDC systems. It features a push-to-reset actuator and panel mount design.
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The OptiFuse CBW57-PS-5A-W is a thermal circuit breaker with a 5A current rating and 250VAC voltage rating. It features a push-to-reset actuator and panel mount design for convenient installation.
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CBW57-PF-5A-5X
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The OptiFuse CBW57-PF-5A-5X is a thermal circuit breaker designed for overcurrent protection. It features a 5A current rating and a 250VAC voltage rating.
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CBW57-PL-5A-5X
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The OptiFuse CBW57-PL-5A-5X is a thermal circuit breaker with a 5A current rating and 250VAC/32VDC voltage rating. It features a push-to-reset actuator and panel mount design.
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