Bosch SKM 120 Single Action Call Point User Manual

This manual covers the Bosch SKM 120 single action call point, detailing operation, variants for interior and exterior use, installation requirements, and…

Brand: Bosch
Document type: User Manual
Language: English
Pages: 4
File format: PDF
File size: 680 KB
Published: 13 October, 2026
Updated: 13 October, 2026
Model: SKM 120
MD5 checksum: 9C995F207C154D477E90E9AF6E59E578
PDF: Bosch SKM 120 Single Action Call Point User Manual PDF

About this manual

The Bosch SKM 120 is a single action call point designed for conventional fire alarm systems. It triggers an alarm when the protective glass pane is broken, activating a microswitch and causing an indicator LED to blink. The device features a resettable button that can be returned to its original position after inserting a new glass pane.

What's inside

Alarm triggering
Functions
Variants
Certifications and Approvals
Installation/Configuration Notes
Technical Specifications
Ordering Information
Hardware Accessories

Specifications

Operating voltage	19 V to 30 V DC
Dimensions (W x H x D)	135 x 135 x 36 mm
Weight	approx. 450 g

Frequently asked questions

What is the recommended installation height for the SKM 120?

The device must be mounted at an installation height of 1400 mm ±200 mm, measured from the middle of the pushbutton to the floor.

How far apart should single action call points be installed?

The distance between devices should not exceed 100 m according to DIN 14 675 or 80 m according to VdS.

Can the SKM 120 be used in fire hose cabinets?

Yes, installation in fire hose cabinets is possible using three specific depth versions.

Download PDF (680 KB)