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参数资料
| 型号： | WD32-003 |
| 元件分类： | 功率/信号继电器 |
| 英文描述： | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.013A (COIL), 200VDC (COIL), 2500mW (COIL), 5A (CONTACT), 30VDC (CONTACT), DIN-RAIL MOUNT |
| 文件页数： | 5/7页 |
| 文件大小： | 499K |
| 代理商： | WD32-003 |
1312
Dimensions are shown for refer-
ence purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specied.
Specications and availability
subject to change.
KILOVAC
Catalog 1308242
Issued 3-03 (PDF Rev. 6/07)
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
WD47 Phase Sequence Relays
Function 47
ANSI/IEEE C37.90-1978
WD47 Operation
WD47 phase sequence relays are designed to monitor the correct phase rotation
and loss of phase of three phase ac systems from 50 to 400 Hz. An incorrect
phase sequence or loss of any phase will cause the WD47 to pickup. When
the phase sequence is corrected or the lost phase is restored the contacts
dropout. Red LED's light to indicate a fault condition. A green LED indicates
power to the relay. The WD47 is often used to detect reverse phase rotation
or loss of phase to generators, busses, motors, and transformers.
WD47 Calibration
The WD47 has no adjustments and no calibration is necessary. Proper
operation may be veried as follows:
1.
Apply a nominal, three-phase input with the correct phase sequence.
The output relay should dropout and the green LED should light.
2.
Apply a nominal, three-phase input with an incorrect phase sequence.
The output relay should pickup and the red LED should light.
3.
Apply only one or two phases with the correct phase sequence. The
output relay should pickup and the red LED should light.
WD47 Connections
WD47 Specications
Nominal Operating Range: 120 to 480 VAC.
Maximum Sensing Range: 575VAC.
Nominal Frequency Range: 40-400 Hz.
Contact Form:
2 form C (DPDT).
Control Voltage:
Model WD47
-001
-002
-003
Input Voltage (VDC)
18 to 54
13.5 to 32
100 to 200
Input Voltage (VAC)
–
100 to 140
WD47 Controls
WD47 Typical Hookup
WD47-001
Our authorized distributor is more likely to stock these items.
Ordering Information
Typical Part Number
B
WD
47 -002
1. Basic Series:
WD = DIN mount Protective Relay.
2. Type:
47= Phase Sequence Relay.
3. Control Voltage:
001 = 18 to 54VDC
002 = 13.5 to 32 VDC
003 = 100-200VDC or 100-140VAC.
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| WD81OU001 | POWER/SIGNAL RELAY, SPDT, MOMENTARY, 0.046A (COIL), 54VDC (COIL), 2500mW (COIL), 5A (CONTACT), 30VDC (CONTACT), DIN-RAIL MOUNT |
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| WD81OU003 | POWER/SIGNAL RELAY, SPDT, MOMENTARY, 0.013A (COIL), 200VDC (COIL), 2500mW (COIL), 5A (CONTACT), 30VDC (CONTACT), DIN-RAIL MOUNT |
| WD47-001 | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 54VDC (COIL), 5A (CONTACT), 30VDC (CONTACT), PANEL MOUNT |
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