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Phoenix Contact PLCRSC24UC2121AU 24V Relay Module

The PHOENIX CONTACT PLC-RSC- 24UC/21-21AU relay module provides a reliable solution for industrial automation and control applications. Its slim design allows for space-saving installation on DIN rails, while the efficient V8 adapter ensures easy and secure system cabling. The module incorporates a multi-layer gold contact relay, offering enhanced performance and durability. Safe isolation between the coil and contact, as per DIN EN 50178, contributes to system safety and reliability. The integrated input circuit and interference suppression circuit further enhance its performance in demanding environments. This module is ideal for applications requiring precise and dependable relay functionality.

Authorized Distributors
Part No:PLC-RSC-24UC/21-21AU
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:PLC-RSC-24UC/21-21AU
Stock:16
Inv Date:05-28-2026
Price: Unit price: $42
Buy/RFQ:
Part No:PLC-RSC-24UC/21-21AU
Stock:16
Inv Date:05-28-2026
Price: Unit price: $42
Buy/RFQ:

Phoenix Contact PLCRSC24UC2121AU 24V Relay Module Specifications:

  • Packing unit: 10 STK
  • GTIN: N/A
  • Sales Key: 08
  • Width: 14 mm
  • Height: 80 mm
  • Depth: 94 mm
  • Ambient temperature (operation): -40 °C ... 60 °C
  • Ambient temperature (storage/transport): -40 °C ... 85 °C
  • Nominal input voltage UN: 24 V AC/DC
  • Typical input current at UN: 17.5 mA (at UN= 24 V AC/DC)
  • Typical response time: 8 ms
  • Typical release time: 10 ms
  • Protective circuit: Bridge rectifier
  • Operating voltage display: Yellow LED
  • Power dissipation for nominal condition: 0.42 W
  • Contact type: 2 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)
  • Maximum switching voltage (gold layer destroyed) AC: 250 V AC
  • Maximum switching voltage (gold layer destroyed) DC: 250 V DC
  • Limiting continuous current (gold layer destroyed): 6 A
  • Maximum inrush current (gold layer destroyed): 15 A (300 ms)
  • Min. switching current (gold layer destroyed): 10 mA
  • Interrupting rating (ohmic load) max. (gold layer destroyed): 140 W (at 24 V DC)
  • Switching capacity in acc. with DIN VDE 0660/IEC 60947: 2 A (at 24 V, DC13), 0.2 A (at 110 V, DC13), 0.2 A (at 250 V, DC13), 2 A (at 24 V, AC15), 2 A (at 120 V, AC15), 2 A (at 250 V, AC15)
  • Connection name: Coil side
  • Connection method: Screw connection
  • Stripping length: 8 mm
  • Screw thread: M3
  • Conductor cross section solid: 0.14 mm² ... 2.5 mm²
  • Conductor cross section flexible: 0.14 mm² ... 2.5 mm²
  • Conductor cross section AWG: 26 ... 14
  • Connection name (output): Contact side
  • Test voltage relay winding/relay contact: 4 kV AC (50 Hz, 1 min.)
  • Test voltage PDT/PDT: 2.5 kV AC (50 Hz, 1 min.)
  • Operating mode: 100% operating factor
  • Degree of protection: RT III (Relay)
  • Mechanical service life: 3 x 10⁷ cycles
  • Flammability rating according to UL 94: V0
  • Standards/regulations: IEC 60664, EN 50178, IEC 62103
  • Rated surge voltage/insulation: 6 kV/Basic isolation
  • Degree of pollution: 2
  • Overvoltage category: III
  • Mounting position: any

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase PLCRSC24UC2121AU from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part PLCRSC24UC2121AU?

You can download the PLCRSC24UC2121AU datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of PLCRSC24UC2121AU?

Phoenix Contact

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