CE Approved

•   Safety Control Module
•   24VAC/DC Supply
•   LED Diagnostics
•   Dual Channel Output
•   Automatic/Manual-Monitored Reset 

The SCU is the control module for the HE Series safety switches.  The SCU provides 2 NO force guided contact safety outputs, internal and external relay monitoring circuit, LED system indication. 
The SCU requires 24VAC/DC power supply and has 2 NO safety contact outputs capable of switching up to 4Amps @ 230VAC.

Product Code Description Part No. Quote options Added to Basket
340.000 SCU1 Safety Control Unit 24 VDC SCU1
Qty: - +

Dimensions (mm)

Dimensions in millimetres

Product Layout


Connection Drawing 1

Connection Drawing 2

Technical Specifications
Supply Voltage Options 24VAC/DC (+/- 15%)
Power Consumption 3VA
Safety Output 2 x NO
Safety Output Rating 4A/230Vac; 2A/24Vdc(Res.)@Cos=1
Auxilliary Output 1 x NC
Auxilliary Output Rating 4A/230Vac; 2A/24Vdc(Res.)@Cos=1
Input Up to 30 HE Series Safety Switches
Reset Options Manual / Automatic
Indication LED's for Power & Output K1 & K2
Dimensions of Control Unit (mm) 22.5 x 84 x 119mm
Weight na
IP Rating Housing IP40, Terminals IP20
Construction Red Polycarbonate housing and terminals
Mounting 35mm DIN Rail
Environmental Specifications
Operating Temperature -10°C to 55°C
Storage Temperature -20°C to 60°C
Safety Related Data
PL in accordance with EN ISO 13849-1 PL-e, CAT 4
SIL CL in accordance with EN IEC 62061 SIL 3
PFHd in accordance with EN IEC 62061 3.62 x 10 -9
PFH 4.43 x 10 -9
B10d 2 x 10 -6
MTTFd High > 100 Years ( Based on usage rate of 360 Days
TM 20 years
DC 96.50%
SFF 98.20%

As part of a HE Series System

File Title File Name Download File
340 400 Iss 11 Mechan HE Series installation guide 340-400-Iss-11-Mechan-HE-Series-installation-guide.pdf PDF (3.7 MB)