Siemens 3RH1911-1GA13 Auxiliary Front Contact Block

Product Description

The SIEMENS 3RH1911-1GA13 is a front-mount auxiliary contact block designed for use with Siemens contactor and relay assemblies. This add-on contact module mounts directly to the front face of compatible contactors, expanding the available control circuit contacts without requiring additional panel space. The unit measures 1.654 x 1.732 x 2.244 inches and weighs approximately 0.097 pounds, making it a compact addition to existing starter or relay configurations. Electricians and industrial control technicians install this block to add supplementary switching contacts to motor control and automation circuits.

This auxiliary contact block is suited for industrial and commercial motor control center installations, control panel builds, and automation system wiring. Front-mount auxiliary blocks like this model are commonly used when additional NO or NC control circuit contacts are needed alongside a main contactor or coupling relay. The compact form factor supports installation in tight panel or din-rail enclosures where space is at a premium.

Key Features

• Front-mount design installs directly onto compatible Siemens contactors and relays without additional hardware footprint
• Compact size at 1.654 x 1.732 x 2.244 inches suits space-constrained control panels
• Lightweight at 0.097 pounds for easy handling during panel assembly
• Expands control circuit switching capacity on existing contactor installations
• OEM Siemens component ensures dimensional and electrical compatibility with the matched contactor family

Compatibility

Designed as a front-mount auxiliary contact block for use with compatible Siemens contactors and control relays. Verify contactor series compatibility against Siemens documentation before installation.

Installation Notes

Installation should be performed by a qualified electrician in accordance with the National Electrical Code (NEC) and any applicable local codes. De-energize and lock out the panel or motor control center before mounting or removing any contact block. The module snaps or fastens directly to the front face of the contactor — do not force the attachment or install while the contactor is energized. Confirm all control circuit wiring connections are secure and insulation is intact before restoring power.

Technical Specifications

• Mounting Style: Front mount auxiliary
• Dimensions (L x W x H): 1.654 x 1.732 x 2.244 inches
• Weight: 0.097 pounds
• UPC: 75455448323

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3RH1911-1GA13