CBW28-10A The OptiFuse CBW28-10A is a thermal circuit breaker designed for overcurrent protection. It features a 10A current rating and a 250 VAC voltage rating.
Mfr Part #:

CBW28-10A

Mfr Name: OptiFuse
OptiFuse
The OptiFuse CBW28-10A is a thermal circuit breaker designed for overcurrent protection. It features a 10A current rating and a 250 VAC voltage rating.
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CBW28-10A 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
Voltage Rating

CBW28-10A Description

Short technical summary and product information.

The OptiFuse CBW28-10A is a thermal circuit breaker with a fuseholder type design, featuring a push-to-reset actuator. It is rated for 10A and operates at voltages up to 250 VAC and 32 VDC.

 

Key electrical specifications include an interrupt capacity of 1000A at 250 VAC and 200A at 32 VDC, with an insulation resistance of 100MΩ. The terminals are 0.250” [6.35mm] quick connect, nickel-plated brass.

 

Designed for front panel mounting, this circuit breaker has a snap-in mechanism and accommodates panel thicknesses from 0.8 to 2.1mm. It is approved by CSA and cULus agencies, ensuring compliance with safety standards.

 

Calibration data indicates trip characteristics at various current levels and ambient temperatures. The device is intended for occasional overcurrent protection and should avoid contact with chemical solvents to maintain performance.

CBW28-10A Quick Information

Product Type: Thermal Circuit Breaker
Series: CBW28
Canonical Name: OptiFuse CBW28 Thermal Circuit Breaker, 10A, 250 VAC
Subcategory: Thermal Circuit Breaker

CBW28-10A Compliance

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

CBW28-10A Features

  • 10A current rating for overcurrent protection.
  • 250 VAC maximum voltage rating.
  • Push-to-reset actuator for manual reset.
  • Snap-in front panel mounting design.
  • CSA and cULus agency approvals.

CBW28-10A Applications

  • Used in power distribution panels.
  • Ideal for automotive and marine applications.
  • Protects against overloads in industrial equipment.
  • Suitable for battery charging circuits.
  • Provides overcurrent protection in consumer electronics.

CBW28-10A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CBW28-10A?

10A.

What voltage ratings does the CBW28-10A support?

250 VAC and 32 VDC.

What is the interrupting capacity?

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

What type of actuator does it have?

Push-to-reset.

How many poles does it have?

1 pole.

What is the mounting type?

Snap-in front panel mount.

What are the calibration trip times for the 10A rating?

May trip between 101% to 134% of rated current, must trip at 135% within 1 hour.

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