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WRL CONTROL RELAY
CONTROLS
PHASE
SERIES
CONTROLS
UL listed
CSA recognized
? Monitors
Phase Sequence
Loss of Any Phase even if Induced Voltage
reaches 95% of Nominal Voltage
? Under Voltage Detection
? Trip Delay Timer Built-in
? LED Relay Status Indicator
MODE OF OPERATION:
The WRL Phase Control Relay monitors the sequence loss or reversal
of three phase power supplies. The output relay is energized when the
phase sequence is correct and the phase voltage is above the voltage
threshold set by the front knob. The output relay will de-energize after 2
seconds (built-in timer) when the phase voltage drops under the voltage
threshold or when phase sequence is lost. The WRL Series is available
in three voltage ranges: 230 VAC, 380 VAC and 480 VAC.
SPECIFICATIONS:
WIRING DIAGRAM:
2
Input Power . . . . . . . . . . . . . .
.......................
.......................
Maximum voltage . . . . . . . . .
.......................
.......................
Minimum voltage . . . . . . . . .
.......................
.......................
Threshold adjustment range
.......................
.......................
Max power consumption . . .
Dial accuracy . . . . . . . . . . . .
Temperature De-rating . . . . .
Dead Band . . . . . . . . . . . . . .
Response Time . . . . . . . . . . .
.......................
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3 x 230 (50/60 Hz)
3 x 380 (50/60 Hz)
3 x 480 (50/60 Hz)
3 x 280 VAC
3 x 420 VAC
3 x 530 VAC
3 x 160 VAC
3 x 260 VAC
3 x 340 VAC
160 to 230 VAC
260 to 380 VAC
340 to 480 VAC
2 VA
±10%
±0.04%/°C
4% of 480 VAC
300 ms on Make
2 sec on Break
Output
SPDT Version (WRL) Series)
Max. power consumption . . .
Max. voltage . . . . . . . . . . . . .
Electrical life . . . . . . . . . . . . .
Mechanical life . . . . . . . . . . .
Operating temperature . . . . .
Weight . . . . . . . . . . . . . . . . . .
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10 Amp 250 VAC
2000 VA
250 VAC
2 x 10 7 operations
1 x 10 6 operations
-10°C to +60°C
3.5 oz. (100g)
ORDERING INFORMATION:
MOUNTING
L = 11 pin plug-in
P = 8 pin plug-in
D
MOUNTING
WRL
SERIES
SERIES
WRL = SPDT Version
230A
INPUT POWER
INPUT POWER
230A = 3 x 230 VAC
380A = 3 x 380 VAC
480A = 3 x 480 VAC
Products and specifications subject to change without notice.
Order/Technical Support – Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com
2/81
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