Siemens 3RH2911-4HA31 Auxiliary Switch, 3 NO + 1 NC, Front Mount, Ring Cable Lug Connection Original Brand New

Overview

The Siemens 3RH2911-4HA31 is a high-quality, 4-pole auxiliary switch block designed for front-mounting on the SIRIUS line of 3RT2 contactors and 3RH2 contactor relays. This essential accessory expands the switching capabilities of the main contactor, providing reliable signaling and interlocking functions in control circuits.

It features a configuration of 3 Normally Open (NO) and 1 Normally Closed (NC) contacts, a standard requirement for many industrial automation applications. The unit is easily installed via snap-on mounting to the front of the base unit, ensuring a secure and efficient setup.

Key Benefit

• Reliable Performance: Durable design ensures consistent switching operation over prolonged usage.

• Wide Compatibility: Perfectly compatible with Siemens 3RT2 contactors and 3RH2 contactor relays.

• Safe Connections: Ring cable lug connection reduces risk of loose or faulty wiring.

• Space-Efficient: Front-mounted design simplifies installation and maintenance.

• Flexible Usage: Supports multiple current paths (1 NC, 3 NO) for versatile control applications.

Function & Features

• Contact Configuration: 3 NO + 1 NC

• Current Path Allocation: 1 NC, 1 NO, 1 NO, 1 NO

• Connection Type: Ring cable lug

• Mounting Type: Front

• Compatibility: Siemens 3RT2 contactors, 3RH2 contactor relays

• Application: Industrial automation, control panels, motor control circuits

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