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Phoenix Contact 0903031 Electronic Circuit Breaker

This signal contact electronic circuit breaker is designed for controlling and protecting electrical circuits with a 12A nominal current. It features a single N/O contact and includes active electronic current limitation. The device offers fast overload response, selective protection for 24 V DC load circuits, and has a degree of protection IP20. Suitable for DIN rail mounting within industrial automation systems, it ensures safety and reliability in demanding environments, with UL and cUL listing, and compliance with safety standards, making it ideal for various industrial applications.

Authorized Distributors
Source:DigiKey
Part No:0903031
Stock:3
Inv Date:05-28-2026
Price: Unit price: $103.71
Buy/RFQ:
Part No:0903031
Stock:0
Inv Date:05-29-2026
Price: Unit price: $141.25
Buy/RFQ:
Part No:0903031
Stock:9
Inv Date:05-28-2026
Price: Unit price: $119.32
Buy/RFQ:
Part No:0903031
Stock:5
Inv Date:05-28-2026
Price: Unit price: $109.17
Buy/RFQ:
Part No:0903031
Stock:5
Inv Date:05-28-2026
Price: Unit price: $109.17
Buy/RFQ:

Phoenix Contact 0903031 Electronic Circuit Breaker Specifications:

  • Nominal current: 12 A
  • Protection degree: IP20
  • Mounting: DIN rail (35 mm)
  • Ambient temperature: 0 °C to 50 °C (non-condensing)
  • Connection: 2 conductors, stranded, ferrules without plastic 0.5 mm² to 2.5 mm², TWIN ferrules with plastic 0.5 mm², 6 mm²
  • Standards: UL Recognized, cUL Listed, EAC, GL
  • Type: Automatic device fuse
  • Thermal current handling: Up to 80% of nominal current during continuous operation
  • Response: Fast overload and short circuit response
  • Housing material: Die-cast or plastic (not specified but typical for IP20 devices)

Buy the Buy Phoenix Contact Electronic Circuit Breaker Part Number 0903031 Online

Secure reliable circuit protection with the Phoenix Contact electronic circuit breaker. Rated for 12A, it features a single N/O contact, quick overload response, and UL recognition. Mounted on DIN rails, this device ensures safety and durability in industrial environments. Suitable for controlling and safeguarding 24V DC circuits, it offers easy installation and compliance with global standards. Optimize your automation system with this high-quality, robust circuit breaker that guarantees long-lasting performance and safety in demanding industrial applications.

Get Phoenix Contact 0903031 today—designed for reliable circuit protection and quick overload response in industrial automation.

Frequently Asked Questions

Where can I buy Phoenix Contact 0903031?

You can click on the BUY or RFQ button to purchase 0903031 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 0903031?

You can download the 0903031 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 0903031?

Phoenix Contact

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