
Two-hand pneumatic safety start module
■ Conforms to the Machinery Directive and
standard EN 574
■ Including pneumatic relay to classification IIIA
or IIIB depending on version
Two-hand pneumatic safety start module
Pneumatic relay (to EN 574)
Symbol
Characteristics
81 580 504
Type III A
S
P
81 580 503
Type III B
S
P
1
Operating pressure
Orifice diameter
Max. delay between input signals
Connection
Operating temperature
Mechanical life
Weight
bar
mm
s
°C
operations
g
2 ? 8
2.5
0.2 max.
Semi-rigid tubing ? 4 (NFE 49100)
-5 ? +50
1.5 x 10 6
1000
2 ? 8
2.5
0.2 max.
Semi-rigid tubing ? 4 (NFE 49100)
-5 ? +50
1.5 x 10 6
1410
Connections (Typical application with double-acting cylinder)
81 580 504
81 580 503
P
S
P
1
S
81 580 504
Components follow current standards
Dimensions
81 580 503 - 81 580 504
Supply via 4 mm
push-in fitting
Fixing viewed from below
18
Output via 4 mm
push-in fitting
81 580 503
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