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Phoenix Contact 2903661 2 PDT Industrial Relay

The PHOENIX CONTACT REL-IR2/LDP-48DC/2X21 is a robust plug-in industrial relay designed for demanding applications. It offers 2 pole double throw (PDT) contacts, providing flexibility in circuit design. The integrated status LED allows for visual indication of relay operation, while the mechanical switch position indicator provides additional feedback. With a nominal input voltage of 48V DC and a response time of 13ms, this relay is suitable for a wide range of industrial automation, control, and power distribution systems. Its compact design and plug-in construction simplify installation and maintenance.

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Part No:2903661
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Inv Date:05-28-2026
Price: Unit price: $6.958
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Part No:2903661
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Inv Date:05-29-2026
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Part No:2903661
Stock:0
Inv Date:05-28-2026
Price: Unit price: $10.36
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Part No:2903661
Stock:2
Inv Date:05-28-2026
Price: Unit price: $7.48
Buy/RFQ:
Part No:2903661
Stock:2
Inv Date:05-28-2026
Price: Unit price: $7.48
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Phoenix Contact 2903661 2 PDT Industrial Relay Specifications:

  • Packing unit: 1 pc
  • Minimum order quantity: 10 pc
  • Weight per Piece (excluding packing): 36.000 g
  • Custom tariff number: 85364190
  • Country of origin: Poland
  • Width: 21.2 mm
  • Height: 27.5 mm
  • Depth: 35.6 mm
  • Ambient temperature (operation): -40 °C ... 70 °C
  • Ambient temperature (storage/transport): -40 °C ... 85 °C
  • Degree of protection: RT I
  • Nominal input voltage UN: 48 V DC
  • Input voltage range in reference to UN: see diagram
  • Typical input current at UN: 22 mA
  • Typical response time: 13 ms
  • Typical release time: 14 ms
  • Protective circuit: Damping diode
  • Status display: Yellow LED
  • Power dissipation for nominal condition: 1.06 W
  • Contact type: 2 PDT
  • Type of switch contact: Single contact
  • Contact material: AgNi
  • Maximum switching voltage: 250 V AC/DC
  • Minimum switching voltage: 5 V (At 24 mA)
  • Min. switching current: 5 mA (at 24 V)
  • Maximum inrush current: 30 A (20 ms, N/O contacts)
  • Limiting continuous current: 12 A
  • Interrupting rating (ohmic load) max.: 3000 VA (for 250 V AC)
  • Switching capacity min.: 0.12 W
  • Motor load according to UL 508: 1/2 HP, 240 V AC
  • Test voltage relay winding/relay contact: 2.5 kVrms(50 Hz, 1 min.)
  • Test voltage relay contact/relay contact: 2.5 kVrms(50 Hz, 1 min.)
  • Test voltage PDT/PDT: 2.5 kVrms(50 Hz, 1 min.)
  • Operating mode: 100% operating factor
  • Mechanical service life: approx. 2x 10^7 cycles
  • Service life, electrical: see diagram
  • Mounting position: any
  • Connection method: Plug connection
  • Connection in acc. with standard: CSA
  • Standards/regulations: IEC 61810
  • Rated insulation voltage: 250 V AC
  • Rated surge voltage: 4 kV
  • Insulation: Basic insulation
  • Pollution degree: 2 (Rated voltage of 400 V)
  • Overvoltage category: III
  • China RoHS: Environmentally Friendly Use Period = 50 years

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Frequently Asked Questions

Where can I buy Phoenix Contact 2903661?

You can click on the BUY or RFQ button to purchase 2903661 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 2903661?

You can download the 2903661 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 2903661?

Phoenix Contact

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