Phoenix PLC-RSC Series — Interface Relay Modules for Industrial Control
The Phoenix PLC-RSC Series offers a comprehensive range of compact, high-performance relay modules designed for reliable signal switching in industrial control systems.
With universal coil voltages, plug-in relays, and compatibility with industrial automation controllers, the PLC-RSC series ensures maximum flexibility and space efficiency for modern control cabinets.
1. Product Table
| Part Number | Model | Description |
|---|---|---|
| 2909520 | PLC-RSC-120UC/21HC/EX | Relay module, 1 changeover contact, 120 V AC/DC coil, explosion-proof version. |
| 2967662 | PLC-RSC-120UC/21HC | Relay module, high-current version, 120 V AC/DC coil, 1 changeover contact. |
| 2966281 | PLC-RSC-120UC/21AU | Relay module with gold-plated contacts, 120 V AC/DC coil, 1 changeover contact. |
| 2967138 | PLC-RSC-120UC/21-21AU | Twin relay module, 2 x 1 changeover contacts, gold-plated, 120 V AC/DC. |
| 1125985 | PLC-RSC-120UC/21-21/SO46 | Twin relay module with integrated status LED and socket SO46, 120 V AC/DC. |
| 2910505 | PLC-RSC-120UC/21-21/MS | Twin relay module, mechanical status indicator, 120 V AC/DC. |
| 2909511 | PLC-RSC-120UC/21-21/EX | Explosion-proof dual relay module, 120 V AC/DC, 2 changeover contacts. |
| 2967086 | PLC-RSC-120UC/21-21 | Dual relay module, 2 changeover contacts, 120 V AC/DC. |
| 5603593 | PLC-RSC-120UC/21/SO46 | Relay module with status LED and socket SO46, 120 V AC/DC coil. |
| 2909651 | PLC-RSC-120UC/21/MS | Relay module, mechanical status indicator, 120 V AC/DC coil. |
| 2909525 | PLC-RSC-120UC/21/EX | Explosion-proof relay module, 120 V AC/DC coil, 1 changeover contact. |
| 2966197 | PLC-RSC-120UC/21 | Standard relay module, 1 changeover contact, 120 V AC/DC coil. |
| 2966320 | PLC-RSC-120UC/1AU/SEN | Relay module for sensor applications, gold-plated contacts, 120 V AC/DC. |
2. Technical Highlights
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Rated Coil Voltage: 120 V AC/DC
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Contact Configuration: 1 or 2 changeover contacts (depending on model)
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Contact Rating: Up to 6 A resistive load
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Relay Type: Plug-in electromechanical relay (RSC series)
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Socket Type: PLC-BSC/SO46 compatible
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Isolation Voltage: 4 kV between coil and contact
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Mounting: DIN rail (EN 60715)
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Operating Temperature: -25 °C to +70 °C
3. Key Features
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Compact relay interface for space-saving installation
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Compatible with PLC, DCS, and field I/O systems
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Screw or spring connection versions available
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LED indicators and mechanical flags on selected models
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Gold-plated and explosion-proof options for demanding environments
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Plug-in relay simplifies replacement and maintenance
4. Typical Applications
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Industrial automation and control systems
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Machine building and process control
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Signal switching and isolation
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Field I/O expansion for PLCs and DCS systems
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Hazardous area control panels (EX-rated models)