Description
Schneider RUMC21BD | universal plug in relay, Harmony Electromechanical Relays, 10A, 2CO, lockable test but to n, 24V DC
Schneider RUMC21BD | Universal Plug-in Relay – Harmony Electromechanical, 2CO, 10A, 24V DC, Lockable Test Button
The Schneider RUMC21BD is a universal plug-in relay from the Harmony Electromechanical Relays family. It features a compact and modular design, equipped with 2 changeover contacts (2CO), a 10 A current rating, and operates with a 24V DC coil voltage. This relay includes a lockable test button, enabling quick manual operation and testing.
Key Features
-
Product Type: Universal Plug-in Electromechanical Relay
-
Series: Harmony RUM
-
Model: RUMC21BD
-
Contacts: 2 CO (2 Changeover contacts)
-
Current Rating: 10 A
-
Coil Voltage: 24 V DC
-
Test Button: Yes, lockable – allows safe testing and manual operation
-
LED Indicator: Integrated (for coil status monitoring)
-
Contact Material: AgNi (Silver Nickel)
-
Mounting Type: Plug-in (requires compatible socket, e.g., RUZC2M or RUZC3M)
Technical Specifications
-
Dielectric Strength: 2.5 kV between contacts and coil
-
Mechanical Durability: Up to 10 million operations
-
Electrical Durability: Up to 100,000 operations at full load
-
Response Time:
-
Pickup: ≤ 20 ms
-
Dropout: ≤ 20 ms
-
-
Ambient Temperature Range: −40°C to +70°C
-
Standards Compliance: IEC, EN, UL, CSA certified
-
Protection Rating: IP40 (relay), IP20 (with socket)
Typical Applications
-
Industrial Control Panels
-
Automation Systems
-
Power Distribution
-
Machine Safety Systems
-
Signal Switching in PLC Interfaces
Benefits
-
Enhanced Safety: Lockable test button for secure manual operation during maintenance
-
Visual Feedback: Built-in LED indicator for coil activation status
-
Easy Installation: Plug-in design simplifies replacement and wiring
-
High Durability: Designed for both mechanical endurance and electrical reliability
-
Versatile Use: Suitable for various industrial and commercial control circuits
