85100636 Crouzet USA, 85100636 Datasheet - Page 121
85100636
Manufacturer Part Number
85100636
Description
SAFETY RLY, KZH3-RS 24VAC-VDC
Manufacturer
Crouzet USA
Series
KZH3-RSr
Datasheet
1.84873004.pdf
(328 pages)
Specifications of 85100636
Contact Form
3PST (3 Form A)
Contact Rating (current)
6A
Switching Voltage
440VAC - Max
Relay Type
Safety
Coil Voltage
24VAC/DC
Mounting Type
DIN Rail
Termination Style
Screw Terminal
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Coil Type
-
Coil Current
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4
4
Connections
EWS
EWS2
Principles
Timing diagrams EWS
Timing diagrams EWS2
4
L1
L2
L3
3
1
2
B
C
D
E
3
B
C
D
E
2
1
Phase L1
Phase L2
Phase L3
Relay
Phase L1
Phase L2
Phase L3
Relay
L1
L1
L2
L3
L2
L1
3
L3
L2
3
L3
12
R
12
11
14
R
11
22
14
R
21
24
EWS
3
MA
AR
B
C
D
E
and signalling
Operating principle
EWS/EWS2 relays monitor the correct sequencing of phases L1, L2 and L3 as well as the loss of
one of these phases.
When the phase sequence is correct, the output relay is energised, indicated by a yellow LED.
The relay de-energises (LED off) if one of the following faults occurs : Incorrect sequence of
phases at terminals L1, L2 and L3
Total loss of one phase or all three phases (loss of phase detection threshold < 50 VAC)
4
A1 11
12 14
Isolating switch
Contactor
Alarm
Auxiliary power supply for contactor coil
R
R S T
d1
A2
D1
2
R S
U V W
3
M
~
T
1
EWS
Monitoring of three-phase motor.
Manual re-engage after disappearance
of the fault.
B
C
D
E
and signalling
Isolating switch
Contactor
Alarm
Auxiliary power supply for contactor coil
121
4
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