Siemens 3RH2914-1GP11 Coupling Link 24V DC, Screw Terminal SIRIUS Contactor Accessory for 3RT20/3RH2 Original Brand New

Overview 

The Siemens 3RH2914-1GP11 SIRIUS Coupling Link is an essential accessory designed for reliable control circuit integration within industrial automation systems. This high-quality coupling module facilitates simple, front-side electrical connection for control by a PLC or other low-voltage DC signals. It is engineered for seamless compatibility with the SIRIUS 3RT20 power contactors and 3RH2 contactor relays (auxiliary contactors). Featuring robust screw terminals and a 24V DC operating voltage, the 3RH2914-1GP11 ensures secure and efficient signal transmission, making it a critical component for expanding the functionality of your SIRIUS switching devices.

Benefit

• Enhanced Control Integration: Perfect for direct coupling of PLC output signals to SIRIUS contactors, simplifying wiring and reducing installation time.
• Reliable DC Operation: Specifically rated for $24\text{ V DC}$ control voltage, matching common industrial automation standards.
• Secure Connection: Traditional and dependable screw terminals ensure a strong, long-lasting, and vibration-resistant electrical connection.
• Space-Saving Design: Engineered for front-side mounting, it maintains a compact footprint, essential for crowded control panels.

Technical Function & Specification

• Product Number: 3RH2914-1GP11
• Manufacturer: Siemens
• Product Line: SIRIUS Industrial Controls
• Type: Coupling Link / Interface Module
• Application: Front-side mounting on:
  • SIRIUS 3RT20 Contactors
  • SIRIUS 3RH2 Contactor Relays (Auxiliary Contactors)
• Control Supply Voltage: $24\text{ V DC}$
• Terminals: Screw Terminals
• Contactor Size Compatibility: Typically S00, S0, S2, S3 (Check specific contactor datasheet for final confirmation).
• One Normally Open (NO) Auxiliary Contact (for instantaneous switching)

Application

The 3RH2914-1GP11 Coupling Link is typically used in control systems that require:

• Direct interface between programmable logic controllers (PLCs) and power switching devices.
• Simplifying complex wiring harnesses in motor control centers (MCCs) and industrial control cabinets.
• Reliable, low-voltage DC activation of contactors in general automation and machine building.

Installation & Compatibility

The module is designed for tool-free, front-side snap-on mounting directly onto the compatible 3RT20 contactors and 3RH2 auxiliary contactors, ensuring fast and secure installation without additional mounting hardware.