3RH2911-1MA02

Description

Overview

The Siemens 3RH2911-1MA02 is an essential front-mounted auxiliary switch block designed for seamless integration with the SIRIUS 3RT2 power contactors and 3RH2 contactor relays. This component provides reliable expansion of your control circuits, offering two Normally Closed (NC) contacts for critical signaling and interlocking functions. Its robust design features a user-friendly screw terminal connection with the cable entry conveniently positioned from below, simplifying installation in confined panel spaces.

Key Features & Function

• Type: Auxiliary switch

• Contacts: 2 NC (Normally Closed) – 71/72, 81/82

• Current Path: 1 NC, 1 NC

• Mounting: Front-mounted for convenient installation

• Connection: Screw terminal with cable entry from below

• Compatibility: Perfect for Siemens 3RT2 contactors and 3RH2 contactor relays

• Durability: High-quality materials for long-lasting industrial use

• Function: Monitors contactor position and provides auxiliary control signaling

Key Benefit

• Enhanced System Flexibility: Easily adds two critical signaling paths without changing the main contactor or relay.
• Quick and Simple Installation: Front mounting and screw terminals expedite panel wiring and maintenance.
• High Reliability: As a genuine Siemens accessory, it ensures long-term operational integrity and performance consistency with the base unit.
• Standardized Wiring: The clear terminal designations (71/72, 81/82) adhere to global industrial standards, reducing wiring errors.
• Cost-Effective Expansion: Provides an economical solution for adapting existing control devices to new circuit requirements.

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