Phoenix Contact EMG 10-REL/KSR-230/21-LC Relay Module

$ 70.61

Phoenix Contact EMG 10-REL/KSR-230/21-LC relay module. Compact, 230V AC/DC, 6A switching, surge protection, and long service life for automation.

SKU Phoenix-2964380 Category

Product Description

Phoenix Contact EMG 10-REL/KSR-230/21-LC Relay Module – Compact & Durable Load Switching

The Phoenix Contact EMG 10-REL/KSR-230/21-LC Relay Module is a space-saving and reliable solution for switching medium to heavy electrical loads. Designed to operate at 230 V AC/DC, it features a robust changeover contact with AgNi material, ensuring long service life and consistent performance. The module integrates an input circuit with built-in interference suppression, making it highly dependable in industrial environments where stability is critical. With a slim 10.6 mm profile and a mechanical endurance of around 20 million cycles, this relay module offers engineers a compact yet powerful component for precise load control.

The Phoenix Contact EMG 10-REL/KSR-230/21-LC delivers practical advantages that go beyond switching. Its built-in surge protection safeguards sensitive equipment, while the LED status display allows instant visual monitoring. Compact dimensions make it easy to install in crowded control cabinets without compromising power handling—supporting up to 6 A continuous current and 8 A inrush current. With universal input compatibility from 184 to 253 V AC/DC, the relay adapts seamlessly to varied system requirements. This versatility makes it ideal for automation, motor control, and signal routing, where reliability, safety, and long operating life are essential.

Why Phoenix Contact EMG 10-REL/KSR-230/21-LC?

Because it combines compact design, high switching capacity, and built-in protection, the EMG 10-REL/KSR-230/21-LC is more than just a relay—it’s an industrial workhorse. With a slim profile, long mechanical life, and easy DIN-rail mounting, it delivers performance and reliability that keep automation systems running smoothly while saving valuable panel space.

What Problem Does It Solve?

The EMG 10-REL/KSR-230/21-LC eliminates the common challenges of unstable switching, space constraints, and electrical interference. By integrating surge suppression, wide voltage compatibility, and robust AgNi contacts, it ensures reliable load control across diverse environments. This means fewer failures, less downtime, and a safer, more efficient operation for engineers and system designers.

 


Key Features & Specifications – Phoenix Contact EMG 10-REL/KSR-230/21-LC: Article 2964380

Feature Details Benefit
Nominal Input Voltage 230 V AC/DC (Range: 184–253 V) Wide voltage tolerance for flexible use in different systems
Contact Type 1 Changeover Contact (AgNi) Reliable load switching with durable contact material
Switching Capacity Up to 6 A continuous, 8 A inrush Handles medium to large loads with confidence
Power Dissipation 1.15 W Energy-efficient operation reduces system heating
Response / Release Time 7 ms / 11 ms Fast switching ensures precise control
Integrated Protection Surge suppression, varistor, rectifier Safeguards connected devices from voltage spikes
Status Indication Yellow LED Quick and easy visual diagnostics
Mechanical Service Life ~20 million cycles Long-lasting durability for industrial use
Mounting Type DIN rail, zero spacing Simple installation in compact control panels
Operating Temperature -20 °C … +40 °C Suitable for varied industrial environments
Dimensions 10.6 × 75 × 62.5 mm (W × H × D) Space-saving, slim-profile design

Download EMG 10-REL/KSR-230/21-LC (2964380) Datasheet

 


Commercial Data – Phoenix Contact EMG 10-REL/KSR-230/21-LC: Article 2964380

Commercial Data Details
GTIN Number 4017918107444
Customs / Traffic Number 85364900
Weight 41.53 g (per piece, excluding packaging)
Country of Origin Germany (DE)

 


The Applications of Phoenix Contact EMG 10-REL/KSR-230/21-LC

1. Building Automation & Lighting Control

Modern buildings rely on intelligent lighting systems where control signals must safely operate high-voltage circuits. The EMG 10-REL/KSR-230/21-LC relay module bridges this gap by delivering stable switching even under heavy electrical loads. Its slim profile allows many modules to be mounted side by side on a DIN rail, maximizing cabinet space. The built-in surge suppression keeps sensitive electronics protected from switching transients, while the LED indicator simplifies service and maintenance checks. This combination ensures energy-efficient operation, reliable lighting schedules, and reduced downtime for building managers and facility engineers.

2. Motor Control in Compact Machinery

Small industrial machines, such as conveyors or packaging lines, require reliable motor control to maintain production flow. The relay module provides electrical isolation between the programmable controller and the motor starter, preventing inrush surges from damaging sensitive logic circuits. With its ability to handle up to 6 A continuous current and withstand 8 A peaks, the EMG 10-REL/KSR-230/21-LC is well-suited for repetitive switching. Its interference suppression technology ensures noise-free operation, keeping automation equipment stable while reducing maintenance caused by electrical disturbances.

3. Heating, Ventilation & Air Conditioning (HVAC) Systems

HVAC installations often involve switching of fans, compressors, and valve actuators under varying conditions. This relay module adapts seamlessly to these requirements thanks to its wide input voltage range and robust contact design. Its compact form saves valuable space in control panels, which is particularly beneficial in large multi-zone systems. By ensuring consistent performance across thousands of cycles, the EMG 10-REL/KSR-230/21-LC helps maintain stable climate control in office buildings, factories, and public facilities. The result is reliable comfort management with minimal service interruptions.

4. Alarm and Safety Signaling Circuits

In safety-critical environments, alarms must activate immediately when faults occur. The EMG 10-REL/KSR-230/21-LC ensures reliable triggering of sirens, beacons, or shutdown systems. Its fast response times provide quick action, while the mechanical durability of millions of cycles guarantees dependable long-term performance. The integrated protective circuits prevent interference from spreading into sensitive monitoring devices, preserving system integrity. This makes it an excellent choice for applications like fire detection panels, overtemperature alarms, or emergency shutdown systems in industrial plants where reliability cannot be compromised.

 


Related Products & Accessories – Phoenix Contact EMG 10-REL/KSR-230/21-LC

Category Model / Name Part Number Benefit
Relay Module EMG 10-REL/KSR-230/21-LC 2964380 Main relay module, compact design for switching medium to large loads at 230 V AC/DC
Marking Material (Accessory) EMG-SGKS 10 2947585 Narrow equipment marker for clear identification of relay modules, ensuring error-free wiring and maintenance
DIN Rail (Mounting Accessory) NS 35/7,5 0800886 Standardized DIN rail for fast, secure installation of relay modules in control cabinets
End Bracket (Mounting Accessory) CLIPFIX 35 3022276 End clamp for fixing relay modules on the DIN rail, preventing module shifting during vibration or maintenance
Screwdriver (Tool Accessory) SZF 0-0,4×2,5 1204517 Precision tool designed for Phoenix Contact terminal and relay module connections, ensuring safe tightening of screw terminals

 


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