$ 88.78
Discover the Phoenix Contact EMG 22-REL/KSR-W230/21-21 relay module. Reliable 230 V switching, compact DIN rail design, and long service life for automation.
The Phoenix Contact EMG 22-REL/KSR-W230/21-21 relay module is a robust solution for switching tasks in demanding electrical and automation environments. Designed with two changeover contacts made from durable silver-nickel, it ensures secure and stable performance for medium to heavy loads. Operating at 230 V AC/DC, the compact module integrates easily onto DIN rails, supporting flexible installation in control cabinets. With its fast switching times, long mechanical life, and excellent insulation, it helps engineers achieve both reliability and safety in industrial control systems.
The EMG 22-REL/KSR-W230/21-21 offers practical advantages that go beyond simple switching. Its sealed relay construction provides stable performance even under continuous operation, handling currents up to 5 A with consistent accuracy. A built-in glow lamp offers instant status visibility, while varistor protection safeguards against voltage spikes. The relay’s compact 22.5 mm width saves space in panels, and screw terminals simplify wiring during setup or maintenance. With a service life rated in millions of cycles, this module is ideal for motor control, load management, and protective circuits where long-term reliability is crucial.
The Phoenix Contact EMG 22-REL/KSR-W230/21-21 stands out because it merges durability with intelligent design in a compact form. With a mechanical life of over ten million cycles and reliable 230 V operation, it delivers long-lasting performance that reduces downtime. Its glow lamp status display and built-in surge protection enhance safety while making diagnostics faster. For engineers and integrators, it’s a space-saving, cost-effective module that brings both confidence and efficiency to industrial control systems.
Industrial control often demands reliable switching under fluctuating loads and harsh conditions. The EMG 22-REL/KSR-W230/21-21 solves this challenge by offering stable switching up to 5 A with high electrical endurance, ensuring consistency in motor drives, power distribution, and safety circuits. It minimizes failures caused by contact wear or voltage spikes, providing peace of mind for operators. In environments where reliability equals productivity, this relay module secures operations and prevents costly downtime.
| Feature | Details | Benefit |
|---|---|---|
| Input Voltage | 230 V AC/DC (195.5–253 V range) | Stable performance in global industrial power systems. |
| Contacts | 2 changeover (AgNi) | Handles medium to heavy loads with reliable switching. |
| Switching Capacity | Up to 5 A continuous, 250 V AC/DC | Ensures safe operation across diverse applications. |
| Response & Release Time | 4–15 ms | Fast switching for precise automation processes. |
| Protective Circuit | Integrated varistor | Shields against voltage spikes, extending relay life. |
| Status Display | Built-in glow lamp | Provides instant visual feedback for easy diagnostics. |
| Mechanical Service Life | Approx. 10 million cycles | Long-lasting performance reduces maintenance costs. |
| Mounting Type | DIN rail, zero spacing possible | Saves space and simplifies cabinet installation. |
| Dimensions (W x H x D) | 22.5 mm x 79.4 mm x 60.2 mm | Compact design for tight control panels. |
| Degree of Protection | ≥ IP54 at installation site | Reliable in harsh industrial environments. |
| Operating Temperature | -20 °C to +50 °C | Suitable for wide-ranging industrial conditions. |
| Standards Compliance | EN 50178, EN 61810-1 | Meets international safety and performance standards. |
| Weight per Unit | ~63 g | Lightweight and easy to handle during installation. |
| Connection Method | Screw terminals | Secure wiring with simple maintenance access. |
Download Phoenix Contact EMG 22-REL/KSR-W230/21-21 (2944795) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4017918081713 |
| Traffic Number | 2944795 |
| Weight | 63.25 g (per piece, excluding packaging) |
| Country of Origin | Germany (DE) |
In automated production lines, conveyors must run reliably under varying loads. This relay module ensures stable switching of motors at 230 V, even during start-up surges. Its durable silver-nickel contacts and integrated surge protection reduce failures caused by electrical spikes. The built-in glow lamp provides instant feedback for operators, allowing faster troubleshooting. With millions of rated cycles, the relay supports long-term operation, helping to minimize costly downtime and keeping material flow uninterrupted in 24/7 industrial processes.
Heating, ventilation, and air conditioning systems rely on dependable switching for pumps, fans, and valves. This relay module acts as a reliable bridge between low-voltage controllers and 230 V devices. Compact DIN rail mounting saves space in control cabinets, while screw terminals simplify installation. Its robust insulation safeguards against electrical faults, ensuring safe performance in buildings. With its quick response time and dependable switching, it helps maintain smooth environmental control in large commercial or industrial facilities.
Machinery safety systems require relays that can perform consistently under stress. This module is well-suited for emergency-stop circuits and interlock functions, cutting power quickly when required. The long mechanical life prevents failures that could compromise operator safety, while stable contact behavior avoids welding or mis-switching. Its visible status indication aids technicians during inspections, ensuring clear verification of relay state. By maintaining reliable switching even under demanding conditions, it supports compliance with strict industrial safety standards.
Remote installations such as water treatment plants or power distribution points depend on reliable control hardware. This relay module connects PLC or monitoring systems to pumps, valves, or grid devices, switching loads safely at distance. Its integrated surge protection helps guard against voltage disturbances caused by lightning or unstable power. Lightweight and compact, it is easy to integrate into space-limited cabinets. With high endurance and low maintenance requirements, it minimizes service visits, providing dependable performance for remote infrastructure applications.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Accessory – DIN Rail Casing | EMG 22-LG | – | Provides protective housing for EMG 22 series modules, shielding against dust and mechanical impact. |
| Accessory – Diode Block | Diode Block | 2952790 | Adds surge suppression and reverse-voltage protection for safer relay operation. |
| Accessory – Multi-Diode Block | EMG 22-DIO 4E | 2950048 | Compact diode module supporting multiple protection paths, ideal for complex relay circuits. |
| Related Relay Module Variant | EMG 22-REL/KSR-24/21 | – | Same series relay with 24 V AC/DC input, perfect for low-voltage control systems. |
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