PHOENIX CONTACT page 4 of 4
PSR – Phoenix Safety Relay – PSR-THC4
4. Connection Examples
14 24
32
A1
A2
23 3113
Y1 Y2
S21
S14/
S22
S12/
S24
S11
PSR-...-24UC/THC4/2x1/1x2
24V AC/DC
GND
Two-hand
operating
panel
Two-hand control system with equality monitoring < 0.5 s,
corresponds to EN 574 Type IIIC, suitable for up to Safety
Category 4.
Emergenc
Monitoring of controlling isolating safety devices according to
EN 1088 with equality monitoring < 0.5 s, suitable for up to
Safety Category 4.
14 24
32
A1
A2
23 3113
Y1 Y2
S21
S14/
S22
S11
S12/
S24
PSR-...-24UC/THC4/2x1/1x2
24V AC/DC
GND
14 24
32
A1
A2
23 3113
Y1 Y2
S21
S14/
S22
S12/
S24
S11
PSR-...-24UC/THC4/2x1/1x2
L
N
K4
K3
K3
K4
24V AC/DC
GND
L
Two-hand control system with equality monitoring < 0.5 s and
monitored contact expansion, corresponds to EN 574 Type IIIC,
suitable for up to Safety Category 4.
Two-hand
operating
panel
PHOENIX CONTACT 06/01/02 TNR: 5106734-02-gb http://www.phoenixcontact.com
