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Carling Technologies MD1B346253A45BC Miniature 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 ideal for telecommunication equipment and other compact installations. The M-Series provides design flexibility with various actuator styles and colors, ensuring long-term reliability with its wiping contact design. It is available in 1 & 2 poles, 0.02 to 50 amps, up to 250VAC or 80VDC, and meets stringent environmental and electrical standards.

Authorized Distributors
Source:DigiKey
Part No:MD1-B-34-625-3-A45-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $32.819
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Source:DigiKey
Part No:MD1B346253A45BC
Stock:0
Inv Date:06-06-2026
Price: Unit price: $32.819
Buy/RFQ:
Part No:MD1-B-34-625-3-A45-B-C
Stock:0
Inv Date:06-07-2026
Price: Unit price: $33.97
Buy/RFQ:
Part No:MD1-B-34-625-3-A45-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $33.48
Buy/RFQ:
Part No:MD1-B-34-625-3-A45-B-C
Stock:25
Inv Date:06-06-2026
Price: Unit price: $20.93
Buy/RFQ:
Part No:MD1-B-34-625-3-A45-B-C
Stock:25
Inv Date:06-06-2026
Price: Unit price: $20.93
Buy/RFQ:

Carling Technologies MD1B346253A45BC Miniature Circuit Breaker Specifications:

  • Maximum Voltage: 125/250 VAC, 80 VDC
  • Current Ratings: 0.100 - 50.0 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
  • 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

Where can I buy Carling Technologies MD1B346253A45BC?

You can click on the BUY or RFQ button to purchase MD1B346253A45BC from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part MD1B346253A45BC?

You can download the MD1B346253A45BC datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of MD1B346253A45BC?

Carling Technologies

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