Description
Introduction
The ABB MRS/W (Product ID: GHQ3201972R0001) is a specialized white magnet reed contact set engineered for precise opening surveillance of doors and windows in safety and security applications. Supplied as a complete kit, it provides system integrators, electrical installers, and facility managers with a verified hardware package designed for robust position monitoring. This device is part of our Accessories products range.

Operating within a voltage range of 10 to 30 V DC and supporting a maximum switching current of 0.1 A, this contact set includes a 4.0 m connection cable (LIYY 4 x 0.14 mm²). Designed for both built-on and built-in mounting configurations via bolting or drilling, it ensures reliable contact state detection with zero power loss and no battery requirements.
Key Features
- Exact Identification: Extended Product Type MRS/W, Product ID GHQ3201972R0001, EAN 4016779506601.
- Application Function: Safety and Security opening surveillance for doors and windows.
- Cable Specification: 4.0 m connection cable LIYY 4 x 0.14 mm².
- Mounting Type: Built-on and Built-in installation support.
- Voltage Operating Range: 10 … 30 V DC.
- Maximum Switching Current: 0.1 A.
- Included Mechanical Components: 2 housings, 2 spacer plates, 2 flanges, and 4 antimagnetic fixing screws.
- Compliance & Documentation: CE Declaration 2CDK540199D2701, Instructions 2CDG941120P0001, WEEE Not in Scope.
Benefits
- Complete Hardware Package: Delivered with 1 magnet, 1 reed contact, 2 housings, 2 spacer plates, 2 flanges, and 4 antimagnetic fixing screws.
- Integrated Wiring: Features an attached 4.0 m LIYY 4 x 0.14 mm² connection cable for straightforward physical connectivity.
- Versatile Mount Configurations: Supports both built-on and built-in installation methods using either bolting or drilling on window and door frames.
- Passive Security Monitoring: Operates with 0 power loss and requires 0 batteries for straightforward system integration.
- Standardized DC Range: Designed for low-voltage safety and security circuits operating within 10 … 30 V DC (0.1 A max switching current).
Technical Specifications
Applications
- Door Opening Surveillance: Integrated into door frames via built-on or built-in mounting to monitor open/closed security states.
- Window Position Monitoring: Installed on window profiles to deliver physical contact detection within security and safety monitoring systems.
Installation Notes
- Mounting Procedure: Accommodates built-on or built-in orientation via drilling or bolting directly into the frame material.
- Hardware Assembly: Utilize the 2 spacer plates, 2 flanges, 2 housings, and 4 antimagnetic fixing screws provided to ensure correct physical alignment.
- Electrical Wiring: Connect the pre-wired 4.0 m LIYY 4 x 0.14 mm² cable into dedicated security circuits rated for 10 … 30 V DC.
Developer Resources
- CE Declaration of Conformity: Document reference 2CDK540199D2701.
- Instructions and Manuals: Document reference 2CDG941120P0001.
- Swiss E-Number: 961823003.
- Customs Tariff Code (CN8): 8536 41 10.
FAQ
What items are included in the ABB MRS/W contact set?
The kit includes 1 magnet, 1 reed contact with a 4.0 m LIYY 4 x 0.14 mm² cable, 2 housings, 2 spacer plates, 2 flanges, and 4 antimagnetic fixing screws. Explore more ABB building automation products for professional building automation projects.
What are the electrical ratings for the ABB MRS/W?
The device operates across a voltage range of 10 … 30 V DC with a maximum switching current of 0.1 A and 0 power loss. For certificates and current technical files, refer to the manufacturer technical documentation.
How can the MRS/W set be mounted on doors or windows?
It supports both built-on and built-in mounting types using either drilling or bolting methods with the supplied hardware.
Does the MRS/W require external battery power or manual operation?
No, the MRS/W requires 0 batteries and does not feature manual operation.
What is the exact product model?
The order/model code for this page is MRS/W. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by ABB.
Conclusion
The ABB MRS/W (GHQ3201972R0001) magnet reed contact set offers a complete, reliable solution for window and door opening surveillance in safety and security applications. Featuring flexible mounting options, pre-attached 4.0 m LIYY cabling, and zero power loss operation, it satisfies essential requirements for professional building monitoring systems. Installers and system integrators can review our installer purchasing support options.








Reviews
There are no reviews yet.