CBW57-EJ-7A The OptiFuse CBW57-EJ-7A is a thermal circuit breaker designed for overcurrent protection. It features a 7A current rating and a push-to-reset actuator for easy operation.
Mfr Part #:

CBW57-EJ-7A

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW57-EJ-7A is a thermal circuit breaker designed for overcurrent protection. It features a 7A current rating and a push-to-reset actuator for easy operation.
Stock on Request

CBW57-EJ-7A 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
Input Voltage
Insulation Resistance
Mounting Type
Number of Poles
Reset Time
Voltage Rating

CBW57-EJ-7A Description

Short technical summary and product information.

The OptiFuse CBW57-EJ-7A is a thermal circuit breaker with a current rating of 7A. It is designed for use in systems with AC voltages up to 250V and DC voltages up to 32V. The breaker features a push-to-reset actuator and a panel mount design for convenient installation.

 

This circuit breaker offers a thermal trip mechanism, providing reliable overcurrent protection. It has an interrupt rating of 1000A at 125/250 VAC and 400A at 50 VDC. The operating ambient temperature range is from -10℃ to +60℃.

 

Agency approvals include CCC, CSA, cURus, TUV, UR, and VDE, indicating compliance with various safety standards. The device is suitable for applications requiring robust and resettable overcurrent protection.

CBW57-EJ-7A Quick Information

Product Type: Thermal Circuit Breaker
Series: CBW57
Canonical Name: OptiFuse CBW57-EJ-7A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

CBW57-EJ-7A Compliance

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

CBW57-EJ-7A Features

  • 7A thermal circuit breaker for protection.
  • Rated for 250VAC and 32VDC operation.
  • Convenient push-to-reset actuator.
  • Panel mount design for easy installation.
  • Approved by multiple safety agencies.

CBW57-EJ-7A Applications

  • Provides overcurrent protection.
  • Suitable for AC and DC circuits.
  • Used in systems requiring manual reset.
  • Ideal for panel-mounted applications.

CBW57-EJ-7A FAQs

7 frequently asked questions generated from this part’s specifications.
What are the voltage ratings for the CBW57-EJ-7A?

The breaker is rated for 250VAC and 32VDC.

What is the interrupt rating of this circuit breaker?

The interrupt rating is 1000A at 125/250VAC and 300A at 50VDC for the 7A rating.

What is the operating temperature range?

-10°C to +60°C.

How long does it take to reset after a trip?

The breaker can be reset within 60 seconds.

What are the time-current trip characteristics?

It trips within 1 hour at rated current and within 1.5-5 seconds at overload.

Is the breaker ignition protected for marine use?

Yes, it meets SAE J1171 and UL1500 ignition protection standards.

What agency approvals does this breaker have?

It is approved by CCC, CSA, cURus, TUV, UR, and VDE.

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