CBW57-ES-10A-5H The OptiFuse CBW57-ES-10A-5H is a thermal circuit breaker with a 10A rating and 250VAC/32VDC voltage capacity. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

CBW57-ES-10A-5H

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW57-ES-10A-5H is a thermal circuit breaker with a 10A rating and 250VAC/32VDC voltage capacity. It features a push-to-reset actuator and panel mount design.
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CBW57-ES-10A-5H 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-ES-10A-5H Description

Short technical summary and product information.

The OptiFuse CBW57-ES-10A-5H is a low-profile thermal circuit breaker designed for overcurrent protection. It offers a current rating range from 3A to 30A, with this specific model rated at 10A.

 

This circuit breaker operates with input voltages of 125/250 VAC and 32/50 VDC, at frequencies of 50-60 Hz. It boasts a high dielectric strength of over 1500 VAC and an insulation resistance greater than 100MΩ (500 VDC). The device is ignition protected to SAE J1171 and UL1500 standards, making it suitable for marine applications.

 

Key features include a push-to-reset actuator, a black body with tin-plated terminals, and a panel mount design. The operating ambient temperature range is -10°C to +60°C. The CBW57 series is agency listed by UR, CCC, TUV, and VDE, indicating broad compliance for various applications.

 

This breaker is intended for occasional overcurrent protection and should not be used for repeated overcurrent conditions. Avoid contact with chemical solvents, as prolonged exposure can degrade performance.

CBW57-ES-10A-5H Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: OptiFuse CBW57 Thermal Circuit Breaker, 10A, 250VAC, Push to Reset
Subcategory: Circuit Breakers

CBW57-ES-10A-5H Compliance

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

CBW57-ES-10A-5H Features

  • Thermal circuit breaker for overcurrent protection.
  • Rated for 10A at 250VAC and 32VDC.
  • Features a convenient push-to-reset actuator.
  • Designed for secure panel mount installations.
  • Ignition protected for marine applications.

CBW57-ES-10A-5H Applications

  • Marine electrical system overcurrent protection.
  • Power distribution panel circuit protection.
  • Industrial control panel overcurrent protection.
  • Automotive auxiliary circuit protection.
  • General purpose AC/DC circuit protection.

CBW57-ES-10A-5H FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the CBW57-ES-10A-5H?

125/250 VAC and 32/50 VDC.

What is the operating temperature range?

-10°C to +60°C.

What are the time-current trip characteristics?

At 100% rated current: no trip; at 150%: trip within 1 hour; at 200%: trip within 5-30 seconds; at 300%: trip within 1.5-5 seconds.

What is the interrupt rating?

For the 10A model, interrupt rating is 1000A at 125/250 VAC (3-30A range), 400A at 125/250 VAC (3-20A range), 300A at 50 VDC (3-30A range), and 400A at 125 VAC (3-20A range).

Is the breaker ignition protected?

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

What approvals does it have?

CCC, CSA, cURus, TUV, UR, VDE.

What is the reset time?

The breaker resets within 60 seconds after tripping.

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