CBW57-PB-25A-5X The OptiFuse CBW57-PB-25A-5X is a thermal circuit breaker designed for overcurrent protection. It features a 25A current rating and supports 250 VAC or 32 VDC input voltages.
Mfr Part #:

CBW57-PB-25A-5X

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW57-PB-25A-5X is a thermal circuit breaker designed for overcurrent protection. It features a 25A current rating and supports 250 VAC or 32 VDC input voltages.
Stock on Request

CBW57-PB-25A-5X 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
SVHC Present
Voltage Rating

CBW57-PB-25A-5X Description

Short technical summary and product information.

The OptiFuse CBW57-PB-25A-5X is a low-profile, push-to-reset thermal circuit breaker designed for reliable overcurrent protection in various applications. It offers a current rating range from 3A to 30A, with this specific model rated at 25A. The breaker operates with input voltages of 125/250 VAC and 32/50 VDC, featuring an interrupt rating of up to 1000A at 125/250 VAC.

 

Key specifications include a dielectric strength greater than 1500 VAC, insulation resistance over 100MΩ, and a contact endurance of 500 cycles at 150% of rated current. The operating ambient temperature range is -10℃ to +60℃. This model is designed for panel mounting and features a push-to-reset actuator for easy operation.

 

Agency standards and listings include UR (3A-30A, 125/250 VAC, 50 VDC), CCC (3A-20A, 125/250 VAC), TUV (3A-20A, 125/250 VAC, 32 VDC), and VDE (3A-16A, 125/250 VAC). It is also marine ignition protected to SAE J1171 and UL1500 standards. The device is intended for occasional overcurrent protection and should avoid contact with chemical solvents.

CBW57-PB-25A-5X Quick Information

Product Type: Thermal Circuit Breaker
Series: CBW57
Canonical Name: OptiFuse CBW57 Thermal Circuit Breaker, 25A, 250VAC, 32VDC, Panel Mount, Push to Reset
Subcategory: Thermal Circuit Breaker

CBW57-PB-25A-5X Compliance

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

CBW57-PB-25A-5X Features

  • 25A thermal circuit breaker for overcurrent protection.
  • Supports 250 VAC and 32 VDC operation.
  • Panel mount design with push-to-reset actuator.
  • Marine ignition protected to SAE J1171 and UL1500.
  • Wide operating temperature range of -10℃ to +60℃.

CBW57-PB-25A-5X Applications

  • Overcurrent protection for marine systems.
  • Ideal for automotive auxiliary circuits.
  • Used in panel board applications.
  • Protects against short circuits.
  • Suitable for equipment branch circuits.

CBW57-PB-25A-5X FAQs

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

The operating voltage is 250VAC and 32VDC.

What is the mounting type for this circuit breaker?

It is designed for panel mount installation.

What is the operating ambient temperature range?

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

What is the interrupt rating at 125/250 VAC?

The interrupt rating is 1000A at 125/250 VAC for the 3-30A range.

How long does it take to reset after a trip?

The reset time is within 60 seconds.

Is this circuit breaker marine ignition protected?

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

What is the dielectric strength of this breaker?

The dielectric strength is greater than 1500 VAC per minute.

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