$ 115.92
Phoenix Contact EMG 22-REL/KSR-230/21/AU/SO46 relay module. Compact 230V AC design with gold contacts, interference protection, and long service life.
The Phoenix Contact EMG 22-REL/KSR-230/21/AU/SO46 relay module is a compact and dependable solution for preventing interference in control applications. Built with a miniature soldered relay, it handles small loads effectively while maintaining stable operation on long control lines. With its 230 V AC input and strong insulation design, the module ensures safe and consistent switching. The device is engineered to achieve a high release voltage, helping reduce signal errors and extending equipment life. Its slim form factor and DIN rail mounting make it an efficient choice for automation systems that demand reliability and space-saving installation.
The Phoenix Contact EMG 22-REL/KSR-230/21/AU/SO46 integrates protective elements such as RC circuits, surge suppression, and a rectifier to deliver stable switching even under noisy electrical conditions. Its gold-plated contacts maintain reliable conductivity across a wide range of operating currents, supporting both sensitive and more demanding loads. The compact 22.5 mm width helps save space inside control cabinets, while the screw terminals allow quick, secure wiring. With an impressive service life of around 20 million mechanical cycles, users benefit from fewer replacements and reduced maintenance downtime. This relay module is ideal for use in industrial automation, machine control, and systems exposed to long cable runs.
Because it combines compact design, robust insulation, and built-in protection circuits, the EMG 22-REL/KSR-230/21/AU/SO46 delivers reliability where stability matters most. Its gold-plated relay contacts guarantee dependable performance with even the smallest signals, while long service life minimizes costly downtime. It is the perfect balance of efficiency, safety, and space-saving design for modern automation panels.
This relay module eliminates the headaches caused by interference and residual AC currents in control systems. By filtering unwanted signals, it ensures accurate switching even across long cable runs. Engineers no longer need to worry about false triggers or reduced reliability—this device transforms unstable environments into predictable, safe, and efficient automation networks.
| Feature | Details | Benefit |
|---|---|---|
| Input Voltage | 230 V AC (207–253 V AC range) | Reliable switching under standard industrial power |
| Contact Type | 1 Changeover (Double Contact) | Flexible switching for multiple applications |
| Contact Material | AgPd60, hard gold-plated | High reliability with small loads and extended durability |
| Protective Circuits | RC element, Varistor, Bridge Rectifier | Shields system from surges, noise, and interference |
| Service Life | ~20 million mechanical cycles | Long operating life reduces maintenance costs |
| Response/Release Time | 10 ms / 8 ms | Fast switching ensures precise control |
| Operating Temperature | -20 °C … +40 °C | Suitable for standard industrial environments |
| Mounting | DIN rail, any position | Quick installation with flexible orientation |
| Housing Dimensions | 22.5 × 75 × 62.5 mm | Space-saving design for control cabinets |
| Operating Indicator | Yellow LED | Clear visual status indication for quick diagnostics |
Download Phoenix Contact EMG 22-REL/KSR-230/21/AU/SO46 (2940061) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4017918079840 |
| Traffic Number | DK61C2 |
| Weight (per piece) | 67.57 g |
| Country of Origin | Germany (DE) |
In water treatment or irrigation systems, pumps are often controlled from far away control rooms. The long cable runs can collect interference from nearby power lines or equipment, leading to false signals or erratic switching. By installing this relay module, the control signal is isolated and stabilized before it reaches the pump motor. Built-in suppression elements filter unwanted spikes, while the gold-plated contacts ensure that even small control signals are reliably transmitted. The result is reduced downtime, lower maintenance, and consistent pump operation regardless of environmental electrical noise.
Large commercial buildings often run HVAC, lighting, and access systems through shared cabling networks. This can introduce voltage disturbances that affect sensitive controllers. The relay module provides a physical and electrical separation between noisy loads and the control side, ensuring accurate signal switching. With its compact width, it easily fits into crowded distribution panels, while the high release voltage prevents contacts from sticking due to residual current. This ensures reliable lighting control, efficient ventilation management, and stable security operations, even in electrically busy environments.
Industrial motors generate significant electromagnetic interference whenever they are switched on or off. Without protection, this noise can travel back into the control logic and cause failures or miscommunication. Using the relay module as an interposing device ensures that the control system is shielded from these disturbances. Its integrated RC circuits and varistor absorb sudden surges, protecting sensitive electronics. The module also guarantees that start and stop commands are transmitted accurately, reducing the risk of accidental restarts or shutdowns. This helps extend the life of machinery and minimizes costly production interruptions.
Programmable Logic Controllers are often limited in the loads they can drive directly. In factories with heavy equipment, output expansion via reliable relay modules becomes critical. This model ensures that low-power digital signals from the PLC are cleanly converted into robust switching actions for actuators and devices. Its gold-plated contacts handle small currents with precision, while also being capable of switching higher loads when needed. The compact design allows easy integration in tight control cabinets, and the protective circuitry shields the PLC from electrical noise. This results in improved system reliability and a longer service life for the controller.
| Category | Model / Accessory | Part Number | Benefits |
|---|---|---|---|
| Relay Module (Same Family) | PLC-RSC Relay Module 24 V DC | – | Compatible relay option for DC control systems, expands functionality in mixed AC/DC installations |
| Relay Module (Spare) | REL-MR-24 DC/21 Single Relay | – | Compact spare relay for modular replacement and maintenance |
| Protective Housing | EMG 22-H DIN-Rail Cover | – | Provides dust and mechanical protection for EMG relay modules |
| Plastic Housing Option | EMG 22-LG DIN-Rail Housing | – | Lightweight protective housing, ideal for compact cabinet designs |
| Connection Accessory | FBST Plug-in Bridge | – | Enables potential distribution across multiple relay modules for faster wiring |
| Circuit Protection | PLC-FA Fuse Adapter | – | Adds inline fuse protection to relay outputs, improving circuit safety |
| Marking Material | Label Strips / Marking Tags | – | Clear labeling for wiring and modules, simplifying maintenance |
| Logic Expansion | PLC Logic Extension Module | – | Integrates relay modules into Phoenix Contact logic systems for automation control |
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Warranty – 1-year warranty for your peace of mind.
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