Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s4.1
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
2016-09
624
Inputs 750124 750154 751124 751154
Max. overall cable
resistance Rlmax
Single-channel at
UB DC 30 Ohm 30 Ohm 30 Ohm 30 Ohm
Single-channel at
UB AC – 30 Ohm – 30 Ohm
Dual-channel
without detection
of shorts across
contacts at UB
DC 60 Ohm 60 Ohm 60 Ohm 60 Ohm
Dual-channel
without detection
of shorts across
contacts at UB
AC – 60 Ohm – 60 Ohm
Dual-channel with
detection of
shorts across
contacts at UB
DC 30 Ohm 30 Ohm 30 Ohm 30 Ohm
Dual-channel with
detection of
shorts across
contacts at UB
AC – 30 Ohm – 30 Ohm
Semiconductor
outputs
750124 750154 751124 751154
Number 1 1 1 1
Voltage 24 V 24 V 24 V 24 V
Current 20 mA 20 mA 20 mA 20 mA
Relay outputs 750124 750154 751124 751154
Number of output
contacts
Safety contacts
(N/O), instantan-
eous 3 3 3 3
Auxiliary contacts
(N/C) 1 1 1 1
Max. short circuit
current IK 1 kA 1 kA 1 kA 1 kA
Utilisation category
In accordance
with the standard EN 60947-4-1 EN 60947-4-1 EN 60947-4-1 EN 60947-4-1