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Carling Technologies MT1U344701A21BC Miniature Hydraulic Circuit Breaker

The CARLING TECHNOLOGIES M-Series circuit breaker is a versatile and cost-effective solution for demanding applications requiring space-saving features and design flexibility. Its compact, vertically mounted parallel pole configuration is UL489A listed up to 50 amps and well-suited for telecommunication equipment. The breakers offer various styling options, including rocker actuator styles and colors, push-to-reset actuators, and illuminated rocker versions. They are available in 1 & 2 poles or parallel poles, with current ratings from 0.02 to 50 amps, and are designed to meet stringent environmental and performance standards, including MIL PRF-55629 and MIL-STD-202G.

Authorized Distributors
Source:DigiKey
Part No:MT1-U-34-470-1-A21-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $36.75
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Source:DigiKey
Part No:MT1U344701A21BC
Stock:0
Inv Date:06-06-2026
Price: Unit price: $36.75
Buy/RFQ:
Part No:MT1-U-34-470-1-A21-B-C
Stock:0
Inv Date:06-07-2026
Price: N/A
Buy/RFQ:
Part No:MT1-U-34-470-1-A21-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $30.8
Buy/RFQ:
Part No:MT1-U-34-470-1-A21-B-C
Stock:12
Inv Date:06-06-2026
Price: Unit price: $23.7
Buy/RFQ:
Part No:MT1-U-34-470-1-A21-B-C
Stock:12
Inv Date:06-06-2026
Price: Unit price: $23.7
Buy/RFQ:

Carling Technologies MT1U344701A21BC Miniature Hydraulic Circuit Breaker Specifications:

  • Voltage: 125/250 VAC, 50/60 Hz, 80 VDC
  • Current Ratings: 0.100, 0.250, 0.500, 0.750, 1.00 thru 15.0 amps in 1 amp increments, 18.0, 20.0, 25.0, 30.0 amps
  • Auxiliary Switch Rating: SPDT; 7A 250VAC, 7A (Res) 28VDC, 4A (Ind.) 28VDC, 0.25A 80VDC (Res), 0.1A 125VAC (gold contacts)
  • Insulation Resistance: Minimum 100 Megohms at 500 VDC
  • Dielectric Strength: UL, CSA 1500V, 50/60 Hz for one minute
  • Endurance: 10,000 ON-OFF operations @ 6 per minute
  • Trip Free: All M-Series Circuit Breakers will trip on overload
  • Number of Poles: 1 or 2
  • Weight: Approximately 30 grams/pole
  • Operating Temperature: -40° C to +85° C
  • Tolerance: ±25% for 0.10 - 20.0 amps, ±35% for 20.1 - 50.0 amps

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You can download the MT1U344701A21BC datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of MT1U344701A21BC?

Carling Technologies

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