Specifications

R
Presence Sensing Safety Devices
Safedge™ Profiles
2-115
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Publication S117-CA001A-EN-P
General1-Principles2-Safety Edges3-Safety Switches4-Operator
Interface
5-Logic
Product Selection—Relays
Single Function
Safety Relays Safety Outputs Auxiliary Outputs Terminals Reset Type Power Supply Cat. Page No.
Cat. No.
2 N.O.
1 N.C.
Fixed
Automatic/Manual
24V AC/DC or
115/230V AC
5-72
440F-C251D
1 N.O. Removable 24V AC/DC 440F-C252D
2 N.O. Fixed
24V AC/DC or
115/230V AC
440F-C251P
Typical Wiring Diagrams
Z1 MC Z2
N MC
L
L1
N
14 24
13 23 31
L1
K1
L2
K2
L3
42
K1 K2
M
-
+Ve
Ve
440F-C251P
Reset
Safedge
Z1 MC
Z2
-
MC
+Ve
14
24
13
23 31
L1
K1
L2
K2
L3
42
K1 K2
M
Ve
L
N
440F-C251P
24V DC
24V Ground
Safedge
Series Terminated, Safedge Input, Manual Reset,
Dual Channel Output, Monitored Output
Series Terminated, Cascaded, Safedge Input, Automatic Reset,
Dual Channel Output, No Output Monitored
Z1 X1
Z2
-
X2
+
14
13
21
L1
K1
L2
K2
L3
22
K1
M
K2
Reset
Safedge Safedge
+24V DC
24V Ground
440F-C252D
Z1 X1
Z2
-
X2
+
14
13
21
L1
K1
L2 L3
22
K1
M
+24V DC
24V Ground
440F-C252D
Safedge
Parallel Terminated, Safedge Input, Manual Reset,
Dual Channel Output, Monitored Output
Series Terminated, Safedge Input, Automatic Reset,
Single Channel Output, No Output Monitored