Phoenix Contact 2966171 PLC-RSC-24DC/21 Relay module PLC-INTERFACE

The Phoenix Contact PLC-RSC- 24DC/21 is a PLC-INTERFACE relay module combining a screw-connection basic terminal block with a plug-in miniature relay for DIN rail NS 35/7.5 assembly. Designed for 24 V DC input, it provides 1 changeover power contact rated at 6 A continuous current and up to 250 V AC/DC switching voltage, with an RT III sealed relay for reliable performance in demanding industrial environments.

Technical specifications:

• Part designation: PLC-RSC- 24DC/21
• Catalog number: 2966171
• Manufacturer: Phoenix Contact
• EAN: 4017918130732
• Product type: Relay module
• Product family: PLC-INTERFACE
• Nominal input voltage: 24 V DC
• Input voltage range: 18.5 V DC ... 33.6 V DC (at 20°C)
• Contact configuration: 1 changeover contact
• Contact material: AgSnO
• Limiting continuous current: 6 A
• Maximum switching voltage: 250 V AC/DC
• Minimum switching current: 10 mA (12 V)
• Test voltage (winding/contact): 4 kV AC
• Rated impulse withstand voltage: 6 kV
• Typical input current: 9 mA
• Typical response time: 5 ms
• Connection method: Screw connection, M3
• Conductor cross-section: 0.14 mm² ... 2.5 mm² (rigid/flexible); AWG 26 ... 14
• Stripping length: 8 mm
• Dimensions (W x H x D): 6.2 mm x 80 mm x 94 mm
• Weight (excluding packing): 31.06 g
• Color: Gray (RAL 7042)
• Flammability rating (UL 94): V0
• Operating temperature: -40°C ... 70°C
• Degree of protection: IP20 (relay base), IP54 (installation location)
• Mechanical service life: 2 x 10^7 cycles
• Mounting: DIN rail NS 35/7.5
• Pack size: 10 pc
• Country of origin: Germany

Features and benefits:

• Slim 6.2 mm width enables space-saving zero-spacing row assembly
• RT III sealed relay provides protection against contamination and moisture
• Safe galvanic isolation between coil and contact sides, tested at 4 kV AC
• Integrated input and interference suppression circuit reduces external component count
• Plug-in relay design allows field replacement without rewiring the terminal block
• Yellow LED operating voltage display for immediate visual status indication

Applications:

• Switching PLC output signals to field devices in industrial automation panels
• Interfacing between PLC controllers and actuators requiring isolated relay contacts
• Machine control cabinets where compact DIN rail mounting space is limited
• Control circuits requiring safe isolation up to 250 V AC/DC
• Shipbuilding and harsh-environment installations requiring DNV-approved relay interfaces

Compliant with IEC 60947-5-1. Certified CE, UKCA, cULus (E140324), DNV (TAE0000196), and EAC. Part of the Phoenix Contact PLC-INTERFACE product family.

Also known as: Phoenix Contact PLC-RSC- 24DC/21, Phoenix 2966171, Phoenix Contact PLC relay module 24VDC, PLC-RSC-24DC/21.