Siemens 3RH2911-2HA13-0KT0 Auxiliary Switch 1 NO + 3 NC for 3RT2/3RH2 Contactors Original Brand New

Overview

The Siemens 3RH2911-2HA13-0KT0 is a high-performance auxiliary switch designed to enhance the functionality of Siemens 3RT2 contactors and 3RH2 contactor relays. This front-mounted auxiliary switch features a configuration of 1 Normally Open (NO) and 3 Normally Closed (NC) contacts, providing flexible control options for a wide range of industrial applications. With its spring-loaded terminals, installation is quick, secure, and reliable, minimizing downtime and maintenance.

Key Features & Benefit

• Expanded Control: The 1 NO + 3 NC contact configuration allows for versatile control schemes, enabling you to manage multiple circuits or signals from a single point of operation.
• Seamless Integration: Specifically engineered for compatibility with Siemens 3RT2 contactors and 3RH2 contactor relays, ensuring a perfect fit and reliable performance.
• Effortless Installation: The innovative spring-loaded terminals simplify wiring, eliminating the need for specialized tools and providing a vibration-proof connection.
• Enhanced Safety: The front-mounting design ensures easy access for maintenance and inspection, while the clear labeling of current paths (31/32, 41/42, 51/52, 63/64) reduces the risk of wiring errors.
• Durable and Reliable: Manufactured with Siemens' renowned quality and engineering, this auxiliary switch is built to withstand demanding industrial environments and deliver long-lasting, consistent performance.

Function

The 3RH2911-2HA13-0KT0 auxiliary switch serves to:

• Provide feedback signals on the status of the main contactor or relay.
• Control additional circuits, such as indicator lights, buzzers, or other contactors.
• Implement complex interlocking and safety circuits.
• Extend the number of available contacts for a given application without adding a new device.

Technical Specification

• Product Number: 3RH2911-2HA13-0KT0
• Contact Configuration: 1 Normally Open (NO) + 3 Normally Closed (NC)
• Mounting: Front
• Terminal Type: Spring-loaded terminal
• Current Path: 1 NC, 1 NC, 1 NC, 1 NO
• Contact Designations: 31/32, 41/42, 51/52, 63/64
• Compatibility: Siemens 3RT2 contactors and 3RH2 contactor relays

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