CBW57-PB-30A-WX The OptiFuse CBW57-PB-30A-WX is a thermal circuit breaker with a 30A current rating and 250VAC/50VDC voltage rating. It features a push-to-reset actuator and panel mount.
Mfr Part #:

CBW57-PB-30A-WX

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW57-PB-30A-WX is a thermal circuit breaker with a 30A current rating and 250VAC/50VDC voltage rating. It features a push-to-reset actuator and panel mount.
Stock on Request

CBW57-PB-30A-WX 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-PB-30A-WX Description

Short technical summary and product information.

The OptiFuse CBW57-PB-30A-WX is a low-profile 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 50 VDC, operating at frequencies of 50-60 Hz.

 

This circuit breaker features a push-to-reset actuator and a panel mount design for easy integration into systems. It has an interrupt rating of 1000A at 125/250 VAC and 300A at 50 VDC. The operating ambient temperature range is -10°C to +60°C.

 

Agency standards and listings include UR, CCC, TUV, and VDE, indicating its suitability for various applications. The device is also CSA Marine Ignition Protected to SAE J1171 and UL1500.

 

Key specifications include a dielectric strength greater than 1500 VAC, insulation resistance over 100MΩ (500 VDC), and contact endurance of 500 cycles at 150% of rated current. The reset time is within 60 seconds.

CBW57-PB-30A-WX Quick Information

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

CBW57-PB-30A-WX Compliance

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

CBW57-PB-30A-WX Features

  • 30A current rating for robust protection.
  • 250 VAC / 50 VDC voltage handling.
  • Push-to-reset actuator for manual operation.
  • Panel mount design for easy installation.
  • Ignition protected for marine use.

CBW57-PB-30A-WX Applications

  • Protects electrical circuits from overloads.
  • Suitable for marine engine applications.
  • Used in control panels and equipment.
  • Provides reliable fault interruption.

CBW57-PB-30A-WX FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the OptiFuse CBW57-PB-30A-WX circuit breaker?

The current rating is 30A.

What is the maximum AC voltage rating for this circuit breaker?

The maximum AC voltage rating is 250 VAC.

What is the maximum DC voltage rating for this circuit breaker?

The maximum DC voltage rating is 50 VDC.

What type of actuator does the CBW57-PB-30A-WX circuit breaker 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°C to +60°C.

Is this circuit breaker ignition protected?

Yes, it is CSA Marine Ignition Protected to SAE J1171 and UL1500.

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