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Carling Technologies MM1B3442012BCBE Industrial Circuit Breaker

The M-Series circuit breaker is a compact, reliable hydraulic-magnetic device offering various handle styles, current ratings from 0.02 to 50 amps, and voltage options of 125/250VAC and 80VDC. Designed for space-saving applications, it features front panel snap-in mounting, parallel pole configurations, and multiple styling options including rocker, illuminated rocker, paddle, and push-to-reset actuators. It complies with MIL-PRF-55629, MIL STD 202, and ingress protection standards, ensuring suitability for telecom, transportation, marine, power supplies, and medical equipment. Its long mechanical endurance of 10,000 ON-OFF cycles ensures durability.

Authorized Distributors
Source:Newark
Part No:MM1-B-34-420-1-2BC-B-E
Stock:88
Inv Date:06-09-2026
Price: Unit price: $30.29
Buy/RFQ:
Source:DigiKey
Part No:MM1-B-34-420-1-2BC-B-E
Stock:0
Inv Date:06-09-2026
Price: Unit price: $26.618
Buy/RFQ:
Source:DigiKey
Part No:MM1B3442012BCBE
Stock:0
Inv Date:06-09-2026
Price: Unit price: $26.618
Buy/RFQ:
Part No:MM1-B-34-420-1-2BC-B-E
Stock:3
Inv Date:06-10-2026
Price: Unit price: $29.41
Buy/RFQ:
Part No:MM1-B-34-420-1-2BC-B-E
Stock:0
Inv Date:06-09-2026
Price: Unit price: $30.29
Buy/RFQ:
Part No:MM1-B-34-420-1-2BC-B-E
Stock:1
Inv Date:06-09-2026
Price: Unit price: $22.11
Buy/RFQ:
Part No:MM1-B-34-420-1-2BC-B-E
Stock:1
Inv Date:06-09-2026
Price: Unit price: $22.11
Buy/RFQ:

Carling Technologies MM1B3442012BCBE Industrial Circuit Breaker Specifications:

  • Maximum Voltage: 125/250 VAC 50/60 Hz, 80 VDC
  • Current Ratings: 0.02 to 50 Amps, in 1A increments, with ratings up to 30A typical
  • Number of Poles: 1, 2, or parallel poles
  • Response Time & Delays: Over 16 different time delays and inrush pulse tolerance up to 600%
  • Standards & Certifications: MIL-PRF-55629, MIL STD 202, UL-Recognized, CSA Certified, TUV and VDE Certified
  • Mechanical Endurance: 10,000 ON-OFF operations at 6 per minute
  • Environmental Resistance: Shock 100 Gs, Vibration, Moisture, Salt Spray, Thermal Shock from -40°C to +85°C
  • Physical Dimensions: Compact design with mounting depths around 1.88 inches (47.8mm) for various styles, with handle specifics depending on actuator
  • Wiring: Screw terminals or push-in studs suitable for different configurations, diameter up to 0.085 inches
  • Enclosure & Mounting: Front panel snap-in with optional bezel guards, panel dress nuts, and locking rings

Buy the Carling MM1B3442012BCBE – Reliable Circuit Breaker for Industrial Applications

Order the Carling MM1B3442012BCBE circuit breaker online now to ensure reliable overload protection for your critical equipment. With multiple current ratings, handle styles, and certifications like UL and CSA, it's designed for industrial, telecom, and marine applications. Its compact, space-saving design with front panel snap-in mounting makes installation quick and straightforward. Built to withstand harsh environments, it offers long-term durability, electrical safety compliance, and flexible styling options including illuminated and non-illuminated actuators. Secure your power system today with this versatile circuit breaker for reliable overload and short-circuit protection.

Get Carling MM1B3442012BCBE today—built for precision, space-saving design, and long-lasting durability in demanding environments.

Frequently Asked Questions

Where can I buy Carling Technologies MM1B3442012BCBE?

You can click on the BUY or RFQ button to purchase MM1B3442012BCBE from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part MM1B3442012BCBE?

You can download the MM1B3442012BCBE datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of MM1B3442012BCBE?

Carling Technologies

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