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Phoenix Contact PR1RSP3LDP24DC21AU Relay Module

The PHOENIX CONTACT PR1-RSP3-LDP-24DC/21AU relay module is designed for reliable switching applications. It combines a relay socket, multi-layer contact relay, pluggable display/interference suppression module, and retaining bracket into a single unit. Key features include safe isolation between the coil and contact sides, a logical contact arrangement for simplified wiring, and a sealed relay to ensure operational reliability. This module is ideal for industrial automation, control systems, and other applications requiring robust and dependable relay functionality. Its spring-cage connection simplifies installation and maintenance, while the 24V DC input voltage and 1 PDT configuration make it suitable for a wide range of applications.

Authorized Distributors
Part No:PR1-RSP3-LDP-24DC/21AU
Stock:10
Inv Date:05-28-2026
Price: Unit price: $29.67
Buy/RFQ:
Part No:PR1-RSP3-LDP-24DC/21AU
Stock:10
Inv Date:05-28-2026
Price: Unit price: $29.67
Buy/RFQ:

Phoenix Contact PR1RSP3LDP24DC21AU Relay Module Specifications:

  • Packing unit: 1 pc
  • Minimum order quantity: 5 pc
  • Weight per Piece (excluding packing): 66.06 g
  • Custom tariff number: 85364900
  • Country of origin: Germany
  • Nominal input voltage UN: 24 V DC
  • Typical input current at UN: 19 mA
  • Typical response time: 8 ms
  • Typical release time: 10 ms
  • Protective circuit: Damping diode
  • Operating voltage display: Yellow LED
  • Power dissipation for nominal condition: 0.46 W
  • Contact type: 1 PDT
  • Contact material: AgNi, hard gold-plated
  • Maximum switching voltage AC: 30 V AC
  • Maximum switching voltage DC: 36 V DC
  • Minimum switching voltage: 100 mV (at 10 mA)
  • Min. switching current: 1 mA (at 24 V)
  • Maximum inrush current: 50 mA
  • Limiting continuous current: 50 mA
  • Interrupting rating (ohmic load) max.: 1.2 W (at 24 V DC)
  • Switching capacity in acc. with DIN VDE 0660/IEC 60947: 2 A (at 24 V, AC15)
  • Utilization restriction: EMC: class A product, see manufacturer's declaration
  • Width: 16 mm
  • Height: 97 mm
  • Depth: 72 mm
  • Ambient temperature (operation): -25 °C ... 60 °C
  • Ambient temperature (storage/transport): -25 °C ... 85 °C
  • Connection method: Spring-cage connection
  • Stripping length: 10 mm
  • Conductor cross section solid: 0.2 mm² ... 1.5 mm²
  • Conductor cross section flexible: 0.2 mm² ... 1.5 mm²
  • Conductor cross section AWG: 24 ... 16
  • Test voltage relay winding/relay contact: 4 kV (50 Hz, 1 min.)
  • Operating mode: 100% operating factor
  • Mechanical service life: 3 x 10⁷ cycles
  • Standards/regulations: IEC 60664, EN 50178, IEC 62103
  • Degree of pollution: 3
  • Overvoltage category: III
  • Mounting position: any
  • Assembly instructions: In rows with zero spacing

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Frequently Asked Questions

Where can I buy Phoenix Contact PR1RSP3LDP24DC21AU?

You can click on the BUY or RFQ button to purchase PR1RSP3LDP24DC21AU from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part PR1RSP3LDP24DC21AU?

You can download the PR1RSP3LDP24DC21AU datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of PR1RSP3LDP24DC21AU?

Phoenix Contact

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