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Phoenix Contact 0903048 Electronic Circuit Breaker

The Phoenix Contact EC-E 10A DC24V is an electronic circuit breaker designed for reliable protection of 24V DC load circuits in industrial applications. It combines active electronic current limitation with overload shutdown, enabling faster response times compared to traditional power supplies. The device limits residual current, ensuring consistent performance and safety. It's ideal for switched-mode power supply units and systems requiring selective protection. Installation on a 35mm DIN rail is straightforward, and the device features a robust design with a V0 flammability rating. Its compact size and integrated failsafe element make it a versatile solution for various industrial control and power distribution systems.

Authorized Distributors
Source:DigiKey
Part No:0903048
Stock:30
Inv Date:05-28-2026
Price: Unit price: $117.86
Buy/RFQ:
Part No:0903048
Stock:0
Inv Date:05-29-2026
Price: Unit price: $160
Buy/RFQ:
Part No:0903048
Stock:1
Inv Date:05-28-2026
Price: Unit price: $160
Buy/RFQ:
Part No:0903048
Stock:3
Inv Date:05-28-2026
Price: Unit price: $124.06
Buy/RFQ:
Part No:0903048
Stock:3
Inv Date:05-28-2026
Price: Unit price: $124.06
Buy/RFQ:

Phoenix Contact 0903048 Electronic Circuit Breaker Specifications:

  • Packing unit: 1 pc
  • Weight per Piece (excluding packing): 75.0 g
  • Custom tariff number: 85362010
  • Country of origin: Germany
  • Installation instructions: When mounted in rows without convection cooling, the nominal device current should only be led to a maximum of 80% due to the thermal effect during continuous operation (100% operating factor). Special precautionary measures must be taken in systems or machines, to prevent components from restarting (e.g., use of a safety PLC). Parallel connection of multiple circuit breakers is not permitted.
  • Mounting type: DIN rail: 35 mm
  • Color: black
  • Flammability rating according to UL 94: V0
  • Fuse: Electronic
  • Fuse type: Automatic device
  • Rated surge voltage: 0.5 kV
  • Operating voltage: 24 V DC
  • Nominal current IN: 10 A
  • Required backup fuse: not required, integrated failsafe element
  • Dielectric strength: max. 32 V DC (Load circuit)
  • Degree of pollution: 2
  • Switching capacity ICN: Active current limitation
  • Closed-circuit current range I0: typ. 25 mA ±5 mA (When switched on)
  • Height: 83 mm
  • Width: 12.5 mm
  • Depth: 80 mm
  • Height NS 35/7,5: 83 mm
  • Height NS 35/15: 90.5 mm
  • Ambient temperature (operation): 0 °C ... 50 °C (non-condensing)
  • Conductor cross section solid min.: 0.5 mm²
  • Conductor cross section solid max.: 16 mm²
  • Conductor cross section flexible min.: 0.5 mm²
  • Conductor cross section flexible max.: 16 mm²
  • Conductor cross section AWG min.: 26
  • Conductor cross section AWG max.: 6
  • Conductor cross section flexible, with ferrule without plastic sleeve min.: 0.5 mm²
  • Conductor cross section flexible, with ferrule without plastic sleeve max.: 10 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve min.: 0.5 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve max.: 10 mm²
  • 2 conductors with same cross section, solid min.: 0.5 mm²
  • 2 conductors with same cross section, solid max.: 4 mm²
  • 2 conductors with same cross section, stranded min.: 0.5 mm²
  • 2 conductors with same cross section, stranded max.: 4 mm²
  • 2 conductors with same cross section, stranded, ferrules without plastic sleeve, min.: 0.5 mm²
  • 2 conductors with same cross section, stranded, ferrules without plastic sleeve, max.: 2.5 mm²
  • 2 conductors with same cross section, stranded, TWIN ferrules with plastic sleeve, min.: 0.5 mm²
  • 2 conductors with same cross section, stranded, TWIN ferrules with plastic sleeve, max.: 6 mm²
  • Connection method: Screw connection
  • Stripping length: 10 mm
  • Screw thread: M4
  • Tightening torque max: 1.2 Nm
  • Standards/specifications: UL 508, CSA 22.2 No. 14, UL 2367, CSA 22.2 No. 142, CSA 22.2 No. 213, UL 1604
  • eCl@ss 4.0: 27141116
  • eCl@ss 4.1: 27141116
  • eCl@ss 5.0: 27141116
  • eCl@ss 5.1: 27141116
  • eCl@ss 6.0: 27141116
  • eCl@ss 7.0: 27141116
  • eCl@ss 8.0: 27141116
  • ETIM 2.0: EC000899
  • ETIM 3.0: EC000899
  • ETIM 4.0: EC000899
  • ETIM 5.0: EC000899
  • UNSPSC 6.01: 30211812
  • UNSPSC 7.0901: 39121411
  • UNSPSC 11: 39121411
  • UNSPSC 12.01: 39121411
  • UNSPSC 13.2: 39121411

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Frequently Asked Questions

Where can I buy Phoenix Contact 0903048?

You can click on the BUY or RFQ button to purchase 0903048 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 0903048?

You can download the 0903048 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 0903048?

Phoenix Contact

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