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Carling Technologies MA1B346251A12BC Miniature Hydraulic-Magnetic Circuit Breaker

The Carling Technologies M-Series circuit breaker is a versatile and cost-effective solution for various applications. Its compact, space-saving design, combined with multiple styling options like rocker, paddle, and pushbutton actuators, allows for design flexibility. Available with 1 or 2 poles and current ratings from 0.02 to 50 amps, the M-Series is suitable for telecom, transportation, marine, generators, power supplies, and medical equipment. It features a wiping contact mechanism for long-term reliability and complies with industry standards like MIL-PRF-55629 and MIL STD 202.

Authorized Distributors
Source:DigiKey
Part No:MA1-B-34-625-1-A12-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.507
Buy/RFQ:
Source:DigiKey
Part No:MA1B346251A12BC
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.507
Buy/RFQ:
Part No:MA1-B-34-625-1-A12-B-C
Stock:0
Inv Date:06-07-2026
Price: Unit price: $34.91
Buy/RFQ:
Part No:MA1-B-34-625-1-A12-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $38.05
Buy/RFQ:
Part No:MA1-B-34-625-1-A12-B-C
Stock:16
Inv Date:06-06-2026
Price: Unit price: $29.32
Buy/RFQ:
Part No:MA1-B-34-625-1-A12-B-C
Stock:16
Inv Date:06-06-2026
Price: Unit price: $29.32
Buy/RFQ:

Carling Technologies MA1B346251A12BC Miniature Hydraulic-Magnetic Circuit Breaker Specifications:

  • Operating Temperature: -40° C to +85° C
  • Maximum Voltage: 125/250 VAC, 80 VDC
  • Endurance: 10,000 ON-OFF operations @ 6 per minute
  • Trip Free: Trips on overload, even when actuator is forcibly held
  • Current Ratings: 0.02 to 50 amps in 1 amp increments
  • Auxiliary Switch Rating: SPDT; 7A 250VAC, 7A (Res) 28VDC, 4A (Ind) 28VDC, 0.25A 80VDC (Res)
  • Insulation Resistance: Minimum of 100 Megohms at 500 VDC
  • Dielectric Strength: UL, CSA 1500V, 50/60 Hz
  • Shock: Withstands 100 Gs, 6ms
  • Vibration: Withstands 0.060” excursion from 10-55 Hz
  • Moisture Resistance: Method 106D
  • Salt Spray: Method 101, Condition A
  • Thermal Shock: Method 107D, Condition A
  • Resistance per Pole: Values based on Series Trip Circuit Breaker

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Frequently Asked Questions

Where can I buy Carling Technologies MA1B346251A12BC?

You can click on the BUY or RFQ button to purchase MA1B346251A12BC from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part MA1B346251A12BC?

You can download the MA1B346251A12BC datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of MA1B346251A12BC?

Carling Technologies

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