Datasheet
Relays for functional safety
Safety relays PNOZsigma
PNOZ s4
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
589
Block diagram/terminal configuration
Unit types with UB 24 VDC
} U
B
: 24 VDC; Order no. 750104, 751104, 751184
Interface
expansion
module
Fig.: Centre: Front view with cover, right: Front view without cover
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)
Unit types with UB 48 - 240 VAC/DC
} U
B
: 48 - 240 VAC/DC; Order no. 750134, 751134
Interface
expansion
module
Fig.: Centre: Front view with cover, right: Front view without cover
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)










