Siemens 3RH19211FA11 Auxiliary Contact Block

Product Description

The SIEMENS 3RH19211FA11 is an auxiliary contact block designed to expand the switching capability of compatible contactors and relay assemblies in industrial control panels. Auxiliary contact blocks mount alongside the main contactor body to provide additional signal or control circuits without requiring a separate switching device. This block is compact and suited for panel builders, industrial electricians, and automation technicians working on motor control centers, machinery control circuits, and related low-voltage electrical systems.

This auxiliary contact block is used in industrial and commercial electrical applications where supplemental control contacts are needed alongside a primary contactor or relay. It is typically installed inside control panels, motor control centers, and automated machinery enclosures. The 3RH19211FA11 ships 1 per pack and is intended for installation by qualified electricians working under applicable NEC and local electrical codes.

Key Features

• Auxiliary contact block design adds supplemental control circuits to compatible contactor assemblies
• Compact form factor fits standard contactor mounting positions
• Lightweight construction at 0.11 pounds for easy panel integration
• Dimensions of 2.008 inches x 1.772 inches x 2.520 inches for space-efficient installation
• Sold individually as 1 unit per pack

Compatibility

Designed as an OEM-style auxiliary contact block for use with compatible SIEMENS contactor and relay assemblies in industrial control panel applications. Verify contactor model compatibility before ordering.

Installation Notes

Installation should be performed by a qualified electrician in accordance with applicable NEC requirements and local electrical codes. De-energize and lock out the control panel before mounting or removing auxiliary contact blocks. Confirm that the contact block is fully seated and mechanically secured to the contactor body before restoring power. Do not exceed the rated voltage or current of the contact block.

Technical Specifications

• Dimensions (L x W x H): 2.008 inches x 1.772 inches x 2.520 inches
• Weight: 0.11 pounds
• Quantity per Pack: 1
• UPC: 04089257154

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3RH19211FA11