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Carling Technologies CMB12311C3NBA Thermal Circuit Protector

The CMB series single-pole compact push-to-reset thermal circuit breaker is designed to protect electrical equipment with high reliability and resistance to shock and vibration. Featuring a simple, precision design with minimal moving parts, it ensures consistent trip points across an operating temperature range of -10°C to +60°C. The breaker offers a dielectric strength of 2500VAC for one minute, an interrupting capacity of 2500A at 32VDC, and a insulation resistance of 100 megaohms. Suitable for a wide range of applications including consumer electronics, logistics, military and aerospace, power management, medical devices, audio systems, commercial, and communications and networking systems.

Authorized Distributors
Source:Newark
Part No:CMB-123-11C3N-B-A
Stock:554
Inv Date:06-06-2026
Price: Unit price: $6.38
Buy/RFQ:
Source:DigiKey
Part No:CMB12311C3NBA
Stock:587
Inv Date:06-06-2026
Price: Unit price: $5.91
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Part No:CMB-123-11C3N-B-A
Stock:11
Inv Date:06-07-2026
Price: Unit price: $5.5
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Part No:CMB-123-11C3N-B-A
Stock:2706
Inv Date:06-06-2026
Price: Unit price: $5.02
Buy/RFQ:
Part No:CMB-123-11C3N-B-A
Stock:340
Inv Date:06-06-2026
Price: Unit price: $5.37
Buy/RFQ:
Part No:CMB-123-11C3N-B-A
Stock:340
Inv Date:06-06-2026
Price: Unit price: $5.37
Buy/RFQ:

Carling Technologies CMB12311C3NBA Thermal Circuit Protector Specifications:

  • Ratings: 3-20A, 125-250VAC, 32VDC
  • Dielectric Strength: 2500VAC for 1 minute
  • Max Operating Temperature: -10°C to +60°C
  • Interrupting Capacity: 2500A at 32VDC
  • Insulation Resistance: 100 megaohms
  • Voltage Drop: <0.25 V
  • Shock & Vibration Resistance: High
  • Standards: UL, cUL, CSA, TUV, CE, UL1500/ISO8846
  • Type: Single pole, push-to-reset
  • Physical: Compact design with minimal moving parts

Buy the Carling CMB – Reliable Thermal Circuit Breaker for Industrial Applications

Purchase the Carling CMB series thermal circuit breaker online today to benefit from high-efficiency, reliable circuit protection suitable for various industrial, marine, and electronic applications. With easy ordering and fast delivery, secure your equipment against overloads and faults. Our circuit breaker’s robust design guarantees durability against shock and vibration, maintaining consistent performance in demanding environments. Whether for power management, medical devices, or aerospace systems, buy online now and give your projects the trusted quality they deserve, backed by excellent customer support and warranty.

Order your Carling Series CMB thermal circuit breaker today and ensure your electrical systems operate safely with dependable protection.

Frequently Asked Questions

Where can I buy Carling Technologies CMB12311C3NBA?

You can click on the BUY or RFQ button to purchase CMB12311C3NBA from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part CMB12311C3NBA?

You can download the CMB12311C3NBA datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of CMB12311C3NBA?

Carling Technologies

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