CBW28-12A The OptiFuse CBW28-12A is a 12A thermal circuit breaker designed for 250V AC applications. It features a push-to-reset actuator and a snap-in front panel mount.
Mfr Part #:

CBW28-12A

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW28-12A is a 12A thermal circuit breaker designed for 250V AC applications. It features a push-to-reset actuator and a snap-in front panel mount.
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CBW28-12A 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)
Illumination
Insulation Resistance
Mounting Type
Number of Poles
Panel Thickness
Terminal Type
Voltage Rating

CBW28-12A Description

Short technical summary and product information.

The OptiFuse CBW28-12A is a thermal circuit breaker with a current rating of 12A and a voltage rating of 250V AC. It is designed for overcurrent protection and features a convenient push-to-reset actuator for easy operation.

 

This circuit breaker is suitable for panel mounting, utilizing a snap-in design for secure installation within a panel thickness range of 0.8 to 2.1mm. The terminals are 0.250" quick connect, made of nickel-plated brass for reliable connections.

 

Key specifications include an interrupt capacity of 1000A at 250 VAC and 200A at 32 VDC, along with an insulation resistance of 100MΩ. The device is compliant with CSA and cULus agency standards.

 

Calibration data indicates tripping characteristics at various current percentages, with specific requirements for different current ranges. Ambient temperature compensation is also provided to prevent nuisance tripping.

CBW28-12A Quick Information

Product Type: Circuit Breaker
Canonical Name: OptiFuse CBW28 Thermal Circuit Breaker, 12A, 250V
Subcategory: Fuseholder Type

CBW28-12A Compliance

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

CBW28-12A Features

  • 12A thermal circuit breaker for overcurrent protection.
  • Rated for 250V AC and 32V DC operation.
  • Convenient push-to-reset actuator.
  • Snap-in front panel mounting design.
  • 0.250" quick connect terminals.

CBW28-12A Applications

  • Provides reliable overcurrent protection.
  • Suitable for panel-mounted equipment.
  • Used in systems requiring manual reset.
  • Designed for 250V AC power circuits.

CBW28-12A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CBW28-12A?

12A.

What are the voltage ratings?

250VAC and 32VDC.

What is the interrupt capacity?

1000A at 250VAC and 200A at 32VDC.

What is the trip time at overload?

Must trip at 135% of rated current within 1 hour.

What type of mounting does it use?

Snap-in front panel mount.

What terminal type does it have?

0.250-inch quick connect terminals.

What approvals does it have?

CSA and cULus.

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