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OptiFuse CBW58HS20A Thermal Circuit Breaker

The thermal circuit breaker provides reliable overcurrent and short circuit protection for electrical circuits in various applications. With a standard profile design, it features push-to-reset functionality and a rated current of 20A. Suitable for use in industrial, marine, and general electrical environments, it supports a voltage range of 125/250 VAC and 50 VDC. This breaker complies with UL, CSA, and RoHS standards, offering dielectric strength of 1,500 VAC for one minute, and an interrupting rating up to 300A at 50 VDC. Its robust construction ensures durability and performance in demanding conditions.

Authorized Distributors
Part No:CBW58-HS-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $5.06
Buy/RFQ:
Part No:CBW58-HS-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $5.06
Buy/RFQ:

OptiFuse CBW58HS20A 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, 3-30A 400A @ 125/250VAC, 3-50A 300A @ 50 VDC
  • Marine Ignition Protected to SAE J1171 and UL1500
  • Insulation Resistance: > 500MΩ
  • Contact Endurance: 125 VAC @ 150% of Rated Current-500 Cycles
  • Reset Time: 60 seconds
  • Mechanical Dimensions: 1.38 inches (35 mm) height, body black, terminal tin-plated
  • Agency Standards: UL, CSA, RoHS, TUV, VDE listed
  • Bushing Style: M11 or M12, Metal or Plastic options
  • Terminal Configuration: Straight, 90° Bend, Reverse Bend options
  • Button Color: Black, White, or Red as per variant
  • Splash-proof options available
  • Maximum internal resistance: 0.0050 Ω at 40A-50A

Buy the OptiFuse Series CBW58 Thermal Circuit Breaker: CBW58HS20A

Discover the Optifuse CBW58 thermal circuit breaker, designed for robust overcurrent and short circuit protection in industrial, marine, and electrical systems. Featuring a standard profile and a rated current of 20A, it supports voltages of 125/250 VAC and 50 VDC. Its durable construction, UL, CSA, and RoHS compliance, and versatile mounting options make it ideal for demanding environments. Purchase online today to secure reliable protection and ensure safety in your electrical installations.

Order your Optifuse CBW58 thermal circuit breaker today and ensure your electrical systems are protected with dependable overcurrent protection.

Frequently Asked Questions

Where can I buy OptiFuse CBW58HS20A?

You can click on the BUY or RFQ button to purchase CBW58HS20A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part CBW58HS20A?

You can download the CBW58HS20A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of CBW58HS20A?

OptiFuse

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