Instructions

Appendix B: Specification of the External Power Supply 22 (26)
B Specification of the External Power Supply
The eWON Cosy 131 must be powered by a safety Low Power Supply (LPS) in accordance with
clause 2.5 of UL/IEC 60950-1 Ed2. Standard, 12-24Vdc, 30W min. Certified for 60°C and for al-
titudes up to 2000m. The safety LPS power supply is not part of the delivery.
Suggested power supply : SIEMENS SITOP logo power 24V 2.5A 60W - Siemens order ref:
6EP1332-1SH43. Equivalents are available on the market.
Characteristics of the power supply can be found hereunder:
Characteristic Value
Power supply voltage External 12-24 VDC +/- 19%
Maximum eWON Cosy 131 input power 30W maximum
Internal voltage protection 30V maximum
Input protection Protected against polarity inversion
eWON Cosy 131 Installation Guide IG-0022-00 1.9