Phoenix Contact PLC-RSC-24UC/21 | 24V DC Interface Relay, 1 CO, 6A
Phoenix Contact PLC-RSC-24UC/21 pluggable relay interface module. 24V AC/DC coil, 1 Changeover contact (1 CO), 6A switching current, 6.2mm width, DIN rail mount.
Product Overview
The Phoenix Contact PLC-RSC-24UC/21 is a plug-in relay interface module from the PLC-INTERFACE family. It consists of a PLC-BSC.../21 base terminal and a pluggable miniature relay with 1 Changeover (CO) contact. Designed for signal amplification and isolation between controllers (PLCs) and actuators, it operates on a 24V AC/DC supply and features a compact 6.2 mm width for high-density DIN rail mounting. The module includes a yellow LED status indicator and offers reliable switching for industrial control circuits.
Technical Specifications (Electrical)
| Parameter | Specification |
| Product Family | PLC-INTERFACE |
| Order Number | PLC-RSC-24UC/21 (Base: 2966278) |
| Rated Supply Voltage | 24 V AC / 24 V DC |
| Supply Voltage Range | 19.4 ... 33.6 V AC/DC |
| Typ. Current Consumption | 8.5 mA (at 24 V DC) |
| Contact Configuration | 1 Changeover (1 CO) |
| Max. Switching Voltage | 250 V AC / 250 V DC |
| Max. Switching Current | 6 A (Resistive Load) |
| Contact Material | AgSnO (Gold-plated) |
| Isolation (Coil/Contacts) | 4 kV AC |
Technical Specifications (Mechanical & Environmental)
| Parameter | Specification |
| Mounting | DIN Rail (35 mm) |
| Dimensions (W x H x D) | 6.2 x 80 x 94 mm |
| Connection | Screw Terminal (Plug-in Base) |
| Wire Cross-Section | 0.14 ... 2.5 mm² |
| Operating Temperature | -40 °C ... +60 °C |
| Protection Rating | IP20 |
| Mechanical Life | 20 million operations |
| Housing Material | Gray (RAL 7042), UL 94 V-0 |
Key Features
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Space-Saving Design: Ultra-slim 6.2 mm width allows maximum utilization of control cabinet space.
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Pluggable Design: Relay cartridge is pluggable, enabling fast replacement without rewiring the base terminal.
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Wide Voltage Input: Compatible with both 24V AC and DC control signals, providing flexibility in system design.
Applications
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Signal amplification and isolation for PLC digital outputs
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Interface between low-power control circuits and high-power loads (contactors, solenoids)
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General-purpose switching in industrial automation cabinets
About ACH
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
