$ 83.95
Phoenix Contact PLC-RSC-230AC/21-21/SO46/HI Relay Module. Reliable 230V AC interface with 6 kV isolation, 2 changeover contacts, and DIN-rail mount.
The Phoenix Contact PLC-RSC-230AC/21-21/SO46/HI Relay Module (Item No. 1079387) is a high-performance PLC-INTERFACE relay unit designed for reliable signal switching in demanding automation systems. Operating at 230 V AC with two changeover contacts, it ensures precise and interference-free control between low-voltage and power circuits. Built for durability with reinforced insulation (6 kV isolation) and IEC 60947-5-1 compliance, this compact 14 mm-wide module is ideal for DIN-rail installations in manufacturing, process automation, and machine control systems where dependable operation and space efficiency are critical.
The PLC-RSC-230AC/21-21/SO46/HI combines robust electrical performance with user-friendly design to minimize downtime and simplify integration. Its screw-terminal connection, bridge rectifier protection, and LED status indicator provide easy monitoring and safe handling. Rated for up to 6 A switching current, it supports stable operation under continuous 100 % duty cycles and harsh industrial environments (-40 °C to 50 °C). Whether used in control panels, HVAC systems, or shipboard automation, this relay module offers consistent signal isolation, vibration resistance, and long mechanical life—over 30 million cycles—making it a cost-effective, maintenance-friendly solution for reliable control circuit performance.
Why PLC-RSC-230AC/21-21/SO46/HI?
Because it transforms signal reliability into performance excellence. The Phoenix Contact PLC-RSC-230AC/21-21/SO46/HI merges compact design with industrial-grade durability, providing flawless relay switching even in high-noise environments. With its 6 kV isolation, LED indication, and screw-terminal simplicity, it delivers intelligent control, long service life, and plug-and-play flexibility for modern automation systems.
What Problem Does It Solve?
It eliminates unreliable signal transmission and electrical interference in control systems. By ensuring safe galvanic isolation between high-voltage loads and low-voltage PLC circuits, it prevents equipment failure and downtime. Perfect for dense control cabinets, it simplifies wiring, enhances system safety, and maintains consistent relay performance even in harsh industrial or shipboard conditions.
| Feature | Details | Benefit |
|---|---|---|
| Product Type | Relay Module – PLC-INTERFACE Series | Ensures reliable signal switching between control and load circuits. |
| Nominal Input Voltage | 230 V AC (Range: 190–264 V AC, 20 °C) | Compatible with standard AC control voltages for industrial systems. |
| Contact Configuration | 2 Changeover Contacts (AgNi) | Enables flexible control and signal routing options. |
| Switching Voltage | Max. 250 V AC/DC | Supports both AC and DC applications with stable performance. |
| Switching Current | 6 A continuous, 15 A inrush (300 ms) | Handles high-load switching with reliable operation. |
| Isolation Voltage | Reinforced 6 kV between input and output | Provides superior electrical isolation and system safety. |
| Service Life | Mechanical: 30 million cycles | Long-lasting performance reduces replacement frequency. |
| Input Power Dissipation | 3 VA at nominal voltage | Low energy consumption for efficient operation. |
| Response/Release Time | 10 ms / 8 ms | Fast switching response for precise control timing. |
| Connection Method | Screw Terminals (M3, 0.14–2.5 mm²) | Simple, secure wiring ideal for industrial use. |
| Mounting Type | DIN Rail Mount (35 mm) | Easy installation and integration into control panels. |
| Protective Circuit | RC Element with Threshold Switch & Bridge Rectifier | Prevents surge and voltage spikes for enhanced reliability. |
| Operating Indicator | Yellow LED | Provides quick visual confirmation of relay status. |
| Housing Material | Polyamide, Gray (RAL 7042), UL 94 V0 | Flame-retardant and durable for harsh environments. |
| Operating Temperature | -40 °C to +50 °C | Suitable for diverse environmental and industrial conditions. |
| Protection Degree | IP20 (Relay Base) / ≥IP54 (Installation) | Assures safety and reliability under industrial use. |
| Compliance & Standards | CE, UKCA, cULus, DNV GL, EAC | Meets international safety and marine certifications. |
Download Phoenix Contact PLC-RSC-230AC/21-21/SO46/HI 1079387 Datasheet
| Commercial Data | Details |
|---|---|
| GTIN (EAN Number) | 4055626798479 |
| Customs / Tariff Number | 85364900 |
| Net Weight (Excluding Packing) | 63.06 g |
| Gross Weight (Including Packing) | 73.84 g |
| Country of Origin | Germany (DE) |
1. Marine Control & Automation Systems
In shipboard automation, reliability and safety are critical due to vibrations, humidity, and limited space. The PLC-RSC-230AC/21-21/SO46/HI relay module ensures stable switching of pumps, valves, and power distribution equipment while maintaining full isolation between high-voltage and PLC control circuits. Its 6 kV reinforced insulation prevents electrical interference, and the DNV-approved design withstands harsh maritime conditions. With LED status indication and DIN-rail mounting, engineers can achieve quick diagnostics and efficient integration into compact control panels.
2. Conveyor and Sorting Machinery
Automated conveyors and sorting systems demand precise control and continuous switching cycles. The PLC-RSC-230AC/21-21/SO46/HI relay module provides rapid switching response and long mechanical life, making it ideal for high-frequency actuator control. It handles up to 6 A continuous current with minimal contact wear, ensuring smooth system operation. The screw-terminal connections simplify maintenance, while the integrated LED helps technicians quickly identify active or faulty relays during production, reducing downtime in logistics and packaging lines.
3. Process and Chemical Plant Automation
Industrial chemical plants often face electrical noise and long signal paths between control panels and field devices. The PLC-RSC-230AC/21-21/SO46/HI module isolates low-voltage PLC circuits from high-voltage field wiring, reducing risk from surges and interference. Its RC element and bridge rectifier ensure clean signal transitions, while its robust build resists corrosive environments. This relay enhances safety in controlling pumps, heaters, and valves, maintaining precise automation under harsh environmental conditions common in process industries.
4. Tunnel and Infrastructure Lighting Control
Infrastructure lighting systems, such as tunnels or public facilities, require dependable switching for safety-critical operations. The PLC-RSC-230AC/21-21/SO46/HI module enables low-voltage PLCs to control high-power lighting loads securely. With 6 kV isolation, high surge resistance, and compact 14 mm width, it fits easily into multi-relay control panels. The module’s LED indicator provides instant visual confirmation of relay status, supporting quick maintenance while ensuring uninterrupted lighting in essential infrastructure and transportation systems.
| Category | Model Name | Part Number | Description | Benefit / Compatibility |
|---|---|---|---|---|
| Relay (Replacement Component) | REL-MR-110DC/21-21 | 2961202 | Plug-in miniature power relay, 2 changeover contacts, 110 V DC coil | Direct replacement relay compatible with the PLC-RSC-230AC/21-21/SO46/HI module. |
| Separating Plate | PLC-ATP BK | 2966841 | 2 mm insulating plate for safe voltage separation between modules | Provides isolation and visual separation between neighboring PLC relay modules. |
| Power Terminal Block | PLC-ESK GY | 2966508 | Power terminal block for input of up to four potentials | Distributes multiple power sources across PLC-INTERFACE systems efficiently. |
| Plug-in Bridge (Continuous, Blue) | FBST 500-PLC BU | 2966692 | Continuous plug-in bridge, 500 mm, blue | Enables potential bridging and simplifies wiring across relay modules. |
| Plug-in Bridge (Continuous, Gray) | FBST 500-PLC GY | 2966838 | Continuous plug-in bridge, 500 mm, gray | Facilitates signal or potential linking in control panel assemblies. |
| Single Plug-in Bridge (Red) | FBST 6-PLC RD | 2966236 | Single plug-in bridge, 2 positions, 6 mm, red | Ideal for short circuit bridging or grouped connections. |
| Single Plug-in Bridge (Gray) | FBST 6-PLC GY | 2966825 | Single plug-in bridge, 2 positions, 6 mm, gray | Used for compact connection between adjacent modules. |
| Marker Strip (Unlabeled) | ZB 10:UNBEDRUCKT | 1053001 | White Zack marker strip, 10 mm, unlabeled | Allows easy labeling for organized relay identification. |
| Marker Strip (Custom Label) | ZB 10 CUS | 0824941 | Zack marker strip, customizable with printed text | Enables professional and customized labeling for relay systems. |
| DIN Rail (Perforated) | NS 35/7.5 PERF 2000MM | 0801733 | Steel DIN rail, perforated, 2 m length | Standard rail for PLC-INTERFACE module mounting. |
| DIN Rail (Unperforated) | NS 35/7.5 UNPERF 2000MM | 0801681 | Steel DIN rail, unperforated, 2 m length | Clean installation option for dust-sensitive environments. |
| DIN Rail End Cap | NS 35/7.5 CAP | 1206560 | End cap for DIN rail NS 35/7.5 | Provides mechanical protection and clean rail termination. |
| Screwdriver (Actuation Tool) | SZF 1-0,6X3,5 | 1204517 | Actuation tool for ST terminal blocks, 0.6 x 3.5 mm | Precision screwdriver for tightening M3 screw terminals on relay bases. |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
Global Shipping – We ship worldwide with secure packaging and reliable delivery.
Technical Support – Contact us for professional after-sales technical assistance.
