myMectronic
myMectronic

A Premier B2B Part Search

OptiFuse CBW283A Thermal Circuit Breaker

The CBW28 is a low-profile line voltage circuit protector designed for electronic circuit safeguarding. Featuring a push-to-reset fuseholder type mechanism, it is rated for 3A at 125/250 VAC and 32 VDC, providing reliable overcurrent protection. Its compact construction includes quick connect terminals, snap-in front panel mounting, and an interrupt capacity of 1000A at 250 VAC. Suitable for use in electronic devices, automation systems, and control panels, this thermal circuit breaker ensures safety and operational continuity with precise trip characteristics and robust construction.

Authorized Distributors
Source:DigiKey
Part No:CBW28-3A
Stock:1818
Inv Date:06-05-2026
Price: Unit price: $11.15
Buy/RFQ:
Part No:CBW28-3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $11.15
Buy/RFQ:
Part No:CBW28-3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $6.72
Buy/RFQ:
Part No:CBW28-3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $6.72
Buy/RFQ:

OptiFuse CBW283A Thermal Circuit Breaker Specifications:

  • Voltage: 125/250 VAC, 50/60 Hz and 32 VDC
  • Amperage: 3A
  • Interrupt Capacity: 1000A @ 250 VAC, 50/60Hz and 200A @ 32 VDC
  • Terminals: 0.250” quick connect, nickel-plated brass
  • Panel Thickness: 0.8-2.1mm (0.031-0.083 inches)
  • Mounting: Snap-in front panel mount
  • Trip Time: Must trip at 135% of rated current within 1 hour for 3A
  • Operating Temperature: Based on ambient compensation chart, calibrated at 25°C
  • Agency Standards: RoHS compliant
  • Dimensions: Panel cutout approximately 0.544 inches by 0.62 inches, overall dimensions vary
  • Mechanical Durability: Designed for occasional overcurrent protection, with reliable trip characteristics

Buy the Optifuse Series CBW28 Thermal Circuit Breaker: 3A 125/250 VAC

Experience added safety and reliability with the Optifuse CBW28 thermal circuit breaker. Designed for electronic applications, this 3A device offers quick reset functionality, high interrupt capacity, and robust construction, making it ideal for safeguarding sensitive circuits. Its compact size and snap-in mounting simplify installation in control panels and electronic devices. Ensure continuous operation and protection from overcurrent conditions with this essential circuit breaker that meets industry standards and provides dependable overcurrent protection for your critical systems.

Order your Optifuse Series CBW28 thermal circuit breaker today and give your electronic circuits dependable overcurrent protection with quick reset capability.

Frequently Asked Questions

Where can I buy OptiFuse CBW283A?

You can click on the BUY or RFQ button to purchase CBW283A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part CBW283A?

You can download the CBW283A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of CBW283A?

OptiFuse

OptiFuse Part List

Browse and search other OptiFuse parts, locate datasheets and stock

Sponsored by