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OptiFuse CBW58HB20A Thermal Circuit Breaker

The thermal circuit breaker is a line voltage protector designed with a push-to-reset button and standard profile. It supports a 20A current rating, suitable for protecting electrical circuits against overcurrent conditions. This device offers a dielectric strength of 1,500 VAC for 1 minute, interrupting ratings up to 400A in certain configurations, and conforms to various safety standards including UL, CSA, and VDE. Its compact mechanical dimensions make it easy to install, with corrosion-resistant tin-plated terminals ensuring durability and reliable connection in diverse environments.

Authorized Distributors
Part No:CBW58-HB-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $9.47
Buy/RFQ:
Part No:CBW58-HB-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $4.31
Buy/RFQ:
Part No:CBW58-HB-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $4.31
Buy/RFQ:

OptiFuse CBW58HB20A Thermal Circuit Breaker Specifications:

  • Amperage Range: 3A - 50A
  • Voltage: 125 / 250 VAC, 50 VDC
  • Frequency: 50-60 Hz
  • Dielectric Strength: 1,500 VAC / 1 Minute
  • Interrupting Rating: 3-50A 1000A @ 125/250VAC
  • Body: Black
  • Terminal Finish: Tin Plated
  • Reset Time: 60 seconds
  • Mechanical Dimensions: 1.38 inches [35 mm] height, 0.50 inches [12.6 mm] width
  • Marine Ignition Protected to SAE J1171 and UL1500
  • Insulation Resistance: > 500MΩ
  • Contact Endurance: 125 VAC @ 150% Rated Current, 500 Cycles
  • Agency Standards: UL, CSA, VDE, TUV, RoHS Compliant
  • Push to Reset — Standard Profile

Buy the Buy Optifuse Thermal Circuit Breaker Part Number CBW58HB20A Online

Order the Optifuse Thermal Circuit Breaker with part number CBW58HB20A online today. Featuring a push-to-reset mechanism, 20A current capacity, and high interrupting ratings, this circuit breaker ensures reliable overcurrent protection for residential and industrial electrical systems. Its durable construction, corrosion-resistant terminals, and compliance with safety standards make it ideal for diverse applications. Protect your circuits effectively and enjoy quick, safe resets with this compact, highly reliable device. Purchase now for long-lasting electrical safety.

Get Optifuse CBW58HB20A today—built for precision, high interrupting ratings, and reliable overcurrent protection in electrical systems.

Frequently Asked Questions

Where can I buy OptiFuse CBW58HB20A?

You can click on the BUY or RFQ button to purchase CBW58HB20A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part CBW58HB20A?

You can download the CBW58HB20A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of CBW58HB20A?

OptiFuse

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