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Copyright (2021)
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10
PRSU/4, PRSU/5 Operating Instructions Manual (Revision 3.0)
Technical Data
Electrical data
Supply Voltage U
V
PRSU/4
24V
DC
Or 24V
AC
PRSU/5
115V
AC
Voltage Range
U
V
± 10%
U
V
± 10%
Frequency
48Hz (min) to 62Hz (max)
48Hz (min) to 62Hz (max)
Power Consumption (typ.)
+24V
DC
: 3W, 24V
AC
: 5VA
5VA
4-Wire Safety Switches
Maximum Short Circuit Resistance
<= 200
<= 200
Maximum Signal Wires Resistance
<= 10
<= 10
Conductor Data
Conductor Connection
2 x 1.5 mm
2
solid wire
2 x 1.5 mm
2
stranded wire-end ferrule
UL: Use 60/75°C copper wire only!
2 x 1.5 mm
2
solid wire
2 x 1.5 mm
2
stranded wire-end ferrule
UL: Use 60/75°C copper wire only!
Max. Conductor Length (input circuit)
2 x 100m (Single channel)
4 x 100m (Dual channel)
2 x 100m (Single channel)
4 x 100m (Dual channel)
Conductor Cross-Section
1.5 mm
2
1.5 mm
2
Capacitance/cable length
150 nF/km (maximum)
150 nF/km (maximum)
Reference Temperature
+ 25°C
+ 25°C
Contact Data
Contact Allocation
3 N.O. safety, 1 N.C. aux
3 N.O. safety, 1 N.C. aux
Contact Type
Relay positive guided
Relay positive guided
Contact Material
AgSnO
2
or comparable material
AgSnO
2
or comparable material
Switching Voltage
240V
AC
, 24V
DC
240V
AC
, 24V
DC
Max. Switch/Relay Current
5A (individual), 3.8A (combined)
5A (individual), 3.8A (combined)
Min. Switching Current
10mA
10mA
Max. Switching Capability (per relay)
DIN EN 60947-5-1
AC 15 230 V / 5 A
DC 13 24 V / 5 A
AC 15 230 V / 5 A
DC 13 24 V / 5 A
Max. Switching Capacity
1200 VA (resistive load)
1200 VA (resistive load)
Mechanical Lifetime
10
7
switching cycles
10
7
switching cycles
Electrical Lifetime
10
5
switching cycles (DC 24V/2A)
10
5
switching cycles (DC 24V/2A)
Creeping Distance and
Clearance
-EN 50178 at pollution grade 2, over voltage
category 3 /250V
-Basis isolation: over voltage
category 3 / 250 V
-EN 50178 at pollution grade 2, over voltage
category 3 /250V
-Basis isolation: over voltage
category 3 / 250 V
Contact Security
NO contact: 6.3A brief
NC contact: 4A gL/gG
NO contact: 6.3A brief
NC contact: 4A gL/gG
Short Circuit Withstand
(IEC60947-5-1)
Weld Free Protection at I
PSCC
≥1kA SCPD
(Short Circuit Protection Device)
(Fuse links), size D01
acc IEC IEC60269-1; IEC60269-3-1; VDE036-
T301
NO-contacts:
6A
NC-contacts:
6A
NO-contacts:
6A
NC-contacts:
6A
Restarting Readiness Time (minimum switch off
time the inputs)
0.5 s
0.5 s
Delay on De-energisation
< 30 ms, 24V AC: < 50ms
< 30 ms
Mechanical Data
Housing Material
Polyamide PA 6.6
Polyamide PA 6.6
Dimensions (W
x
H
x
D)
22.5mm x 114.5mm x 99mm
22.5mm x 114.5mm x 99mm
Fastening
Click-fastening for DIN-Rail
Click-fastening for DIN-Rail
Humidity
95% 0-50°C
95% 0-50°C
Torque Setting for Connection Terminals
0.5 Nm (min), 0.6 Nm (max)
UL: Overtorquing may cause
enclosure breakage
0.5 Nm (min), 0.6 Nm (max)
UL: Overtorquing may cause
enclosure breakage
Weight with Terminals
Max. 180g
Max. 180g
Storage
In dry areas
In dry areas
Environmental data
Operating Temperature
-
25°C ... +55°C ( UL:…+40°C)
-
25°C ... +55°C ( UL:…+40°C)
Terminal Type
IP 20
IP 20
Housing Type
IP 40
IP 40
Shock Resistance of N.O./N.C. Contacts
8/2g
8/2g
Certifications
Tested I.A.W.
EN ISO 13849-1
EN ISO 13849-1
Achieved Level/Category
Performance Level e, Cat. 3
Performance Level e, Cat. 3
DC
90% (Medium - redundant switch off channel
with monitoring)
90% (Medium - redundant switch off channel
with monitoring)
CCF
Achieved
Achieved
MTTF
D
100 years
– high
100 years
– high
PFH
5,81 * 10
-9
1/h
5,81 * 10
-9
1/h
SFF
99%
99%
