myMectronic
myMectronic

A Premier B2B Part Search

Phoenix Contact PLCRSC24DC2121EX 24V DC Power Relay Module

The PHOENIX CONTACT PLC-RSC- 24DC/21-21/EX is a versatile power relay module designed for industrial automation and control applications. It features a 24V DC input voltage, two changeover contacts, and is housed in a DIN-rail mountable basic terminal block. The module is approved for use in ATEX and IECEx Zone 2 environments, as well as Class I, Division 2 hazardous locations, making it suitable for a wide range of industrial settings. Key features include reverse polarity protection, a free-wheeling diode, and an operating voltage display via a yellow LED. Its robust design and certifications ensure reliable performance in demanding environments.

Authorized Distributors
Part No:PLC-RSC-24DC/21-21/EX
Stock:0
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:PLC-RSC-24DC/21-21/EX
Stock:147
Inv Date:05-28-2026
Price: Unit price: $26.06
Buy/RFQ:
Part No:PLC-RSC-24DC/21-21/EX
Stock:147
Inv Date:05-28-2026
Price: Unit price: $26.06
Buy/RFQ:

Phoenix Contact PLCRSC24DC2121EX 24V DC Power Relay Module Specifications:

  • Packing unit: 1 pc
  • Minimum order quantity: 10 pc
  • Weight per Piece (excluding packing): 78.000 g
  • Custom tariff number: 85364190
  • Country of origin: Germany
  • Width: 14 mm
  • Height: 80 mm
  • Depth: 94 mm
  • Ambient temperature (operation) UL: -20 °C ... 60 °C
  • Ambient temperature (operation) ATEX / IECEx: -40 °C ... 60 °C
  • Ambient temperature (storage/transport): -40 °C ... 85 °C
  • Degree of protection: RT III (Relay), IP20 (Relay base)
  • Nominal input voltage UN: 24 V DC
  • Typical input current at UN: 18 mA
  • Typical response time: 8 ms
  • Typical release time: 10 ms
  • Protective circuit: Reverse polarity protection, Polarity protection diode, Free-wheeling diode, Damping diode
  • Power dissipation for nominal condition: 0.43 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 10 mA)
  • Min. switching current: 10 mA (At 5 V)
  • Maximum inrush current: 15 A (300 ms)
  • Limiting continuous current: 6 A
  • Interrupting rating (ohmic load) max.: 140 W (at 24 V DC), 85 W (at 48 V DC), 60 W (at 60 V DC), 44 W (at 110 V DC), 60 W (at 220 V DC), 1500 VA (for 250 V AC)
  • Switching capacity: 2 A (at 24 V, DC13), 0.2 A (at 250 V, DC13), 3 A (at 24 V, AC15), 3 A (at 120 V, AC15), 3 A (at 250 V, AC15)
  • 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
  • Flammability rating according to UL 94: V0 (Housing)
  • Mechanical service life: 3x 10^7 cycles
  • Mounting position: any
  • Assembly instructions: In rows with zero spacing
  • Connection name (Coil side): Screw connection
  • Stripping length (Coil side): 8 mm
  • Screw thread (Coil side): M3
  • Conductor cross section solid (Coil side): 0.14 mm² ... 2.5 mm²
  • Conductor cross section flexible (Coil side): 0.14 mm² ... 2.5 mm²
  • Conductor cross section AWG (Coil side): 26 ... 14
  • Connection name (Contact side): Screw connection
  • Stripping length (Contact side): 8 mm
  • Screw thread (Contact side): M3
  • Conductor cross section solid (Contact side): 0.14 mm² ... 2.5 mm²
  • Conductor cross section flexible (Contact side): 0.14 mm² ... 2.5 mm²
  • Conductor cross section AWG (Contact side): 26 ... 14
  • Rated insulation voltage: 250 V AC
  • Rated surge voltage: 6 kV
  • Insulation: Safe isolation, reinforced insulation
  • Pollution degree: 2
  • Overvoltage category: III
  • Conformance: CE-compliant
  • ATEX: II 3G Ex ec nC IIC T4 Gc
  • IECEx: Ex ec nC IIC T4 Gc
  • UL, USA: Class I, Zone 2, AEx nA nC IIC T6
  • UL, USA/Canada: Class I, Div. 2, Groups A, B, C, D
  • UL, Canada: Class I, Zone 2, Ex nA nC IIC Gc T6 X
  • REACh SVHC: Lead 7439-92-1
  • China RoHS: Environmentally Friendly Use Period = 50 years

Buy the PLC-RSC- 24DC/21-21/EX PHOENIX CONTACT 24V DC Power Relay Module | myMectronic

Purchase the PHOENIX CONTACT PLC-RSC- 24DC/21-21/EX Power Relay Module securely and efficiently online.

Buy Now

Frequently Asked Questions

Where can I buy Phoenix Contact PLCRSC24DC2121EX?

You can click on the BUY or RFQ button to purchase PLCRSC24DC2121EX from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part PLCRSC24DC2121EX?

You can download the PLCRSC24DC2121EX datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of PLCRSC24DC2121EX?

Phoenix Contact

Phoenix Contact Part List

Browse and search other Phoenix Contact parts, locate datasheets and stock

Sponsored by