CBW57-EJ-15A The OptiFuse CBW57-EJ-15A is a thermal circuit breaker designed for overcurrent protection. It features a push-to-reset actuator and a panel mount design.
Mfr Part #:

CBW57-EJ-15A

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW57-EJ-15A is a thermal circuit breaker designed for overcurrent protection. It features a push-to-reset actuator and a panel mount design.
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CBW57-EJ-15A 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-15A Description

Short technical summary and product information.

The OptiFuse CBW57-EJ-15A is a thermal circuit breaker with a current rating of 15A and a voltage rating of 125/250 VAC and 32/50 VDC. It operates within a frequency range of 50-60 Hz and offers an interrupt rating of 1000A at 125/250 VAC.

 

This circuit breaker features a push-to-reset actuator and a panel mount design for easy integration into systems. The operating ambient temperature range is -10℃ to +60℃. It is ignition protected to SAE J1171 and UL1500 standards.

 

Agency approvals include CCC, CSA, cURus, TUV, UR, and VDE, indicating compliance with various safety and performance standards. The device is intended for occasional overcurrent protection and is not designed for repeated overcurrent conditions.

 

Key specifications include a dielectric strength greater than 1500 VAC, insulation resistance greater than 100M Ω, and a contact endurance of 500 cycles at 125 VAC with 150% of rated current. The reset time is within 60 seconds.

CBW57-EJ-15A Quick Information

Product Type: Thermal Circuit Breaker
Series: CBW57
Canonical Name: OptiFuse CBW57-EJ-15A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

CBW57-EJ-15A Compliance

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

CBW57-EJ-15A Features

  • 15A thermal circuit breaker for protection.
  • Rated for 250VAC and 32VDC operation.
  • Features a push-to-reset actuator.
  • Designed for panel mount installation.
  • Ignition protected to SAE J1171 and UL1500.

CBW57-EJ-15A Applications

  • Provides overcurrent protection.
  • Suitable for marine applications.
  • Used in control panels.
  • Offers reliable circuit interruption.

CBW57-EJ-15A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CBW57-EJ-15A?

125/250 VAC and 32/50 VDC.

What is the mounting style of this circuit breaker?

Panel mount with a push-to-reset actuator.

What is the operating temperature range?

-10°C to +60°C.

What is the interrupt rating of the CBW57-EJ-15A?

1000A at 125/250VAC for 3-30A, 400A at 125VAC for 3-20A per CSA, and 300A at 50VDC.

What are the time-current characteristics?

No trip at 100% rated current, trip within 1 hour at 150%, trip in 5-30 seconds at 200%, and trip in 1.5-5 seconds at 300%.

Is the CBW57-EJ-15A ignition protected?

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

What is the reset time after a trip?

Within 60 seconds.

CBW57-EJ-15A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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CBW57-PB-15A
CBW57-PB-15A
OptiFuse
The OptiFuse CBW57-PB-15A is a thermal circuit breaker rated for 15A and 250VAC. It features a push-to-reset actuator and panel mount design.
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CBW57-ES-15A-W
CBW57-ES-15A-W
OptiFuse
The OptiFuse CBW57-ES-15A-W is a thermal circuit breaker designed for overcurrent protection. It features a 15A current rating and a 250VAC voltage rating.
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