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WRS CONTROL RELAY
CONTROLS
PHASE
SERIES
CONTROLS
UL listed
CSA recognized
? Monitors
Phase Sequence
Loss of Any Phase
? LED Indicator
? 10 Amp SPDT Output
? Low Cost
MODE OF OPERATION:
WIRING DIAGRAM:
RST
RTS
RST
RS
N
R
S
T
T
R = L1
S = L2
T = L3
R
D1
The WRS Phase Control Relay monitors the sequence loss or reversal
11
R
S
T
of three phase power supplies. The output relay is energized when
the phase sequence is correct and is de-energize when the phase
sequence is wrong or one phase is lost.
STOP
12 14
SPECIFICATIONS:
Input Power Directly . . . . . . . . 3 x 220 60 Hz
START
d1
U
V
W
from controlled voltage ±15%
3 x 380 60 Hz
3 x 440 60 Hz
Power consumption . . . . . . . . . 3 VA at 220 V
M
Output
. . . . . . . . . . . . . . . . . . . SPDT relay
Contact material
Maximum Loading
. . . . . . . . . . . AgCdO
. . . . . . . . . 10 AC resistive 1 A SC inductive
Maximum switching voltage
. . 250 VAC 250 VDC
Relay max. power rating . . . . . 2200 VA 30 W
Mechanical life of relay . . . . . . 30 x 10 6 operations
DWRS
11
12
14
R
S
T
Electrical life of relay . . . . . . . . 2 x 10 5 operations at 2200 VA resistive load
Operating temperature
. . . . . . +14°F to +140°F -10°C to +60°C
LWRS
1
4
3
5
6
7
Weight
. . . . . . . . . . . . . . . . . . . 7 oz. (200g)
PWRS
1
2
8
3
4
5
ORDERING INFORMATION:
MOUNTING
D = DIN-rail mounting or panel mounting
L = 11 pin plug-in
P = 8 pin plug-in
L
MOUNTING
WRS
SERIES
SERIES
WRS
380
INPUT POWER
INPUT POWER
220A = 3 x 220 VAC
380A = 3 x 380 VAC
440A = 3 x 415/440 VAC
Products and specifications subject to change without notice.
Order/Technical Support – Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com
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