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Carling Technologies MB1B344501A27BC Miniature Circuit Breaker

The CARLING TECHNOLOGIES MB1-B-34-450-1-A27-B-C is a miniature magnetic circuit breaker engineered for applications where space, aesthetics, and snap-in front panel mounting are critical. Available in a variety of rocker actuator styles and colors, including paddle, baton, and illuminated versions, this breaker provides design flexibility. Its 'Wiping' contact design ensures long-term reliability, and it meets UL, CSA, and VDE standards. It is suitable for use in general-purpose and industrial control applications.

Authorized Distributors
Source:DigiKey
Part No:MB1-B-34-450-1-A27-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.507
Buy/RFQ:
Source:DigiKey
Part No:MB1B344501A27BC
Stock:0
Inv Date:06-06-2026
Price: Unit price: $26.507
Buy/RFQ:
Part No:MB1-B-34-450-1-A27-B-C
Stock:28
Inv Date:06-07-2026
Price: Unit price: $34.91
Buy/RFQ:
Part No:MB1-B-34-450-1-A27-B-C
Stock:0
Inv Date:06-06-2026
Price: Unit price: $34.91
Buy/RFQ:
Part No:MB1-B-34-450-1-A27-B-C
Stock:30
Inv Date:06-06-2026
Price: Unit price: $20.01
Buy/RFQ:
Part No:MB1-B-34-450-1-A27-B-C
Stock:30
Inv Date:06-06-2026
Price: Unit price: $20.01
Buy/RFQ:

Carling Technologies MB1B344501A27BC Miniature Circuit Breaker Specifications:

  • Voltage: Up to 250 VAC or 65 VDC
  • Current Rating: 0.02 to 25 amps
  • Interrupting Capacity: Up to 3000 amps
  • Frequency: 50/60 Hz
  • Phase: Single Phase
  • Minimum Inrush Pulse Tolerance: 12 times rated current (60 Hz, 1/2 cycle 8 ms pulse for delay curves 22, 24, 32 and 34) or 18 times rated current up to 20 amps; 14 times rated current up to 25 amps (60Hz, 1/2 cycle 8 ms pulse for delay curves 92 and 94)

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Frequently Asked Questions

Where can I buy Carling Technologies MB1B344501A27BC?

You can click on the BUY or RFQ button to purchase MB1B344501A27BC from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part MB1B344501A27BC?

You can download the MB1B344501A27BC datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of MB1B344501A27BC?

Carling Technologies

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