CBW57-EL4-30A The OptiFuse CBW57-EL4-30A is a thermal circuit breaker with a 30A current rating and 250VAC/32VDC voltage rating. It features a push-to-reset actuator and panel mount.
Mfr Part #:

CBW57-EL4-30A

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW57-EL4-30A is a thermal circuit breaker with a 30A current rating and 250VAC/32VDC voltage rating. It features a push-to-reset actuator and panel mount.
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CBW57-EL4-30A Specifications Quick View

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

CBW57-EL4-30A Description

Short technical summary and product information.

The OptiFuse CBW57-EL4-30A is a thermal circuit breaker designed for overcurrent protection. It offers a current rating of 30A and can handle input voltages of up to 250 VAC or 32 VDC.

 

This circuit breaker features a convenient push-to-reset actuator and a panel mount design for easy integration into various systems. It operates within a temperature range of -10°C to +60°C and has a reset time of within 60 seconds.

 

The CBW57-EL4-30A is built to meet agency standards including cURus and UR. Its specifications include an interrupt rating of 1000A at 125/250 VAC and 300A at 50 VDC, ensuring reliable protection against fault conditions.

 

With a black body and tin-plated terminals, this circuit breaker is suitable for applications requiring robust and dependable circuit protection.

CBW57-EL4-30A Quick Information

Product Type: Circuit Breaker
Canonical Name: OptiFuse CBW57 Thermal Circuit Breaker, 30A, 250VAC

CBW57-EL4-30A Compliance

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

CBW57-EL4-30A Features

  • 30A current rating for robust protection.
  • 250VAC and 32VDC voltage handling.
  • Convenient push-to-reset actuator.
  • Panel mount design for easy installation.
  • Thermal breaker type for reliable tripping.

CBW57-EL4-30A Applications

  • Provides overcurrent protection.
  • Suitable for panel-mounted systems.
  • Used in applications with 250VAC.
  • Designed for 32VDC circuits.
  • Reliable thermal trip mechanism.

CBW57-EL4-30A FAQs

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

The CBW57-EL4-30A operates at 250VAC (50/60Hz) and 32/50VDC.

What is the operating temperature range?

-10°C to +60°C.

What is the interrupt rating?

1000A at 125/250VAC, 300A at 50VDC, 400A at 125VAC (CSA).

What is the actuator type?

Push-to-reset.

Is it marine ignition protected?

Yes, to SAE J1171 and UL1500.

What is the contact endurance?

500 cycles at 125VAC at 150% rated current.

What is the reset time?

Within 60 seconds.

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