Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s20
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: info@pilz.com
2016-09
800
Mechanical data 750160 751160
Dimensions
Height 98 mm 100 mm
Width 22,5 mm 22,5 mm
Depth 120 mm 120 mm
Weight 120 g 120 g
Where standards are undated, the 2014-06 latest editions shall apply.
Safety characteristic data
Operating
Mode
EN ISO
13849-1:
2015
PL
EN ISO
13849-1:
2015
Category
EN 62061
SIL CL
EN 62061
PFH
D
[1/h]
IEC 61511
SIL
IEC 61511
PFD
EN ISO
13849-1:
2015
T
M
[year]
1-channel PL d Cat. 2 SIL CL 2 1,32E-08 SIL 2 1,17E-03 20
2-channel PL e Cat. 4 SIL CL 3 2,03E-09 SIL 3 1,85E-04 20
All the units used within a safety function must be considered when calculating the safety
characteristic data.
Order reference
Product type Features Connection type Order no.
PNOZ s20 24 VDC Screw terminals 750 160
PNOZ s20 C 24 VDC Spring-loaded ter-
minals
751 160