Siemens 3RT1965-5NB32 Changeover Operating Mechanism for SIRIUS 3RT106/3RT146 Contactors AC/DC 21-27.3V, Spring-Type Terminal Original Brand New

Overview

The Siemens 3RT1965-5NB32 is a high-performance Changeover Operating Mechanism designed specifically for the SIRIUS 3RT106 and 3RT146 power contactors (Size S10). As an essential accessory, this electronic coil ensures reliable switching for demanding industrial applications. It offers the flexibility of AC (50-60 Hz) or DC operation within a broad control voltage range of 21 V to 27.3 V.

Crucially, this operating mechanism features an advanced electronic drive with an integrated PLC 24 V DC input, providing precise control directly from a programmable logic controller. Installation is simplified and wiring secured by the robust spring-type terminals. Upgrade or maintain your SIRIUS contactor system with this authentic Siemens component.

Key Specifications / Technical Detail

• Product Type: Changeover Operating Mechanism / Contactor Coil (Withdrawable Drive)
• Siemens Part Number: 3RT1965-5NB32
• Contactor Compatibility: Siemens SIRIUS 3RT106 and 3RT146 Contactors (Size S10)
• Operating Voltage: 21...27.3 V (AC 50/60 Hz / DC)
• Control Mechanism: Electronic Drive with PLC input
• PLC Interface: 24 V DC Input
• Connection Type: Spring-Type Terminal (Spring-Loaded Connection)
• Series: SIRIUS 3RT1 Accessories

Function

The 3RT1965-5NB32 functions as the heart of the compatible contactor. It converts the low-level 21-27.3V AC/DC control signal (typically from a PLC via the 24V DC input interface) into the magnetic force required to mechanically close or open the main power contacts of the 3RT106 or 3RT146 contactor. The changeover capability allows for quick and efficient replacement or system modification.

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