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Carling Technologies MB1B346151A27BC Miniature Hydraulic Circuit Breaker

The CARLING TECHNOLOGIES M-Series circuit breaker offers a cost-effective solution for demanding applications requiring space-saving features and aesthetics. Its unique parallel pole configuration is well-suited for telecommunication equipment and other compact installations. Available in various configurations and with styling options, the M-Series provides design flexibility and reliable circuit protection. It is UL489A listed up to 50 amps and features a trip-free mechanism for enhanced safety.

Authorized Distributors
Source:DigiKey
Part No:MB1-B-34-615-1-A27-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.507
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Source:DigiKey
Part No:MB1B346151A27BC
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.507
Buy/RFQ:
Part No:MB1-B-34-615-1-A27-B-C
Stock:0
Inv Date:06-07-2026
Price: Unit price: $22.52
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Part No:MB1-B-34-615-1-A27-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $24.58
Buy/RFQ:
Part No:MB1-B-34-615-1-A27-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $20.72
Buy/RFQ:
Part No:MB1-B-34-615-1-A27-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $20.72
Buy/RFQ:

Carling Technologies MB1B346151A27BC Miniature Hydraulic Circuit Breaker Specifications:

  • Maximum 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
  • 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% (0.10 - 20.0 amps), ±35% (20.1 - 50.0 amps)

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase MB1B346151A27BC from an authorized Carling Technologies distributor.

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You can download the MB1B346151A27BC datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of MB1B346151A27BC?

Carling Technologies

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