Stem S.r.l.
Safety modules NCUM01-NCUM02

Functional description
Safety control units used to detect the uncontrolled movement of the lift cabin in accordance with EN 81-20.
Application fields
- Elevator uncontrolled movement detection
Main features
- 24V AC/DC power supply
- Inputs for safety chain (voltage options: 24, 48, 60, 110, 220 VAC-DC )
- 2 Safety outputs
- 1 Auxiliary output
- Manual start
- Certified according to EN 81-20 and EN 81-50 as a safety circuit for UCM detection
- UCM test circuit inputs and outputs (only for NCUM01)