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Carling Technologies MU1B346101A21BD Miniature Hydraulic Circuit Breaker

The Carling Technologies M-Series circuit breaker is a versatile and cost-effective solution for circuit protection. Its compact, space-saving design, combined with various handle actuators and styling options, makes it ideal for diverse applications. The breaker features a wiping contact mechanism for long-term reliability and is available with parallel poles, various amp ratings, and voltage options. It meets MIL-PRF-55629 and MIL STD 202 compliant standards, ensuring robust performance in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:MU1-B-34-610-1-A21-B-D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.197
Buy/RFQ:
Source:DigiKey
Part No:MU1B346101A21BD
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.197
Buy/RFQ:
Part No:MU1-B-34-610-1-A21-B-D
Stock:17
Inv Date:06-07-2026
Price: Unit price: $34.45
Buy/RFQ:
Part No:MU1-B-34-610-1-A21-B-D
Stock:395
Inv Date:06-06-2026
Price: Unit price: $34.45
Buy/RFQ:
Part No:MU1-B-34-610-1-A21-B-D
Stock:45
Inv Date:06-06-2026
Price: Unit price: $16.25
Buy/RFQ:
Part No:MU1-B-34-610-1-A21-B-D
Stock:45
Inv Date:06-06-2026
Price: Unit price: $16.25
Buy/RFQ:

Carling Technologies MU1B346101A21BD Miniature Hydraulic Circuit Breaker Specifications:

  • Operating Temperature: -40° C to +85° C
  • Maximum Voltage: 125/250 VAC, 80 VDC
  • Endurance: 10,000 ON-OFF operations
  • Trip Free: Trips on overload, even when actuator is forcibly held
  • 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
  • Shock: Withstands 100 Gs, 6ms
  • Vibration: Withstands 0.060” excursion from 10-55 Hz
  • Moisture Resistance: Method 106D
  • Salt Spray: Method 101
  • Thermal Shock: Method 107D
  • Current Ratings: 0.100, 0.250, 0.500, 0.750, 1.00 thru 15.0 in 1 amp increments, 18.0, 20.0, 25.0, 30.0
  • Resistance per Pole: Values based on Series Trip Circuit Breaker

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Frequently Asked Questions

Where can I buy Carling Technologies MU1B346101A21BD?

You can click on the BUY or RFQ button to purchase MU1B346101A21BD from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part MU1B346101A21BD?

You can download the MU1B346101A21BD datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of MU1B346101A21BD?

Carling Technologies

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