9-1393792-7 Tyco Electronics, 9-1393792-7 Datasheet - Page 469
![no-image](/images/manufacturer_photos/0/6/687/tyco_electronics_sml.jpg)
9-1393792-7
Manufacturer Part Number
9-1393792-7
Description
Electromechanical Relay DPDT 3A 12VDC 720Ohm Through Hole
Manufacturer
Tyco Electronics
Type
Signal Relayr
Datasheet
1.1-1393793-9.pdf
(484 pages)
Specifications of 9-1393792-7
Contact Arrangement
DPDT
Dc Coil Voltage
12 V
Coil Current
16.67 mA
Mounting
Through Hole
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WD5051 Specifications
Sense Current Full Scale: 1, 3, 6 or 8A, selectable.
Maximum Sensing Current: 10A continuous; 30A for 10 sec.;
Nominal Frequency Range: 50-400 Hz.
Contact Form: 1 form C (SPDT) for IOC and 1 form C (SPDT) for TOC.
TOC Time Delay Adjustment: 0.5 to 20 sec.
IOC Operate Time (max.): 0.2 sec.
Sense Current:
Control Voltage:
Ordering Information
Our authorized distributors are more likely to stock these items.
Dimensions are shown for
reference purposes only.
WD5051 Operation
WD5051 AC current sensing relays provide current monitoring and protection
in AC systems from 50 to 400 Hz. Nominal Sensing Current, Instantaneous
Over Current setpoint, Time Over Current setpoint, and Time Over Current
time delay are user configured. WD5051 current relays operate when the
externally adjustable trip point is reached. An external time over current time
delay control is provided with an adjustment of .5 to 20 seconds. This time
delay may be used to prevent false tripping when there are slight variations in
the sensed current. With control power applied, the Instantaneous Over
Current (IOC) contacts pick-up when the input signal exceeds the IOC trip
setpoint. Similarly, with control power applied, the Time Over Current (TOC)
contacts pick-up after the preset time delay when the Sense Current rises
above the TOC trip setpoint. The IOC contacts may also be configured to
function as an under current relay. A green LED indicates power to the relay.
Red LED lights indicate the state of the IOC and TOC trips.
WD5051-001
WD5051 Typical Hookup
WD5051
Single Phase Model
Current (nominal)
IOC
TOC
Model WD5051
Input Voltage (VDC)
Input Voltage (VAC)
1. Basic Series:
2. Type:
3. Control Voltage:
WD = DIN mount Protective Relay.
5051 = Single Phase Overcurrent Relay.
5051-3 = Three Phase Overcurrent Relay.
001 = 18 to 54VDC
002 = 13.5 to 32 VDC
003 = 100-200VDC 0r 100-140VAC.
Typical Part Number
WD5051-003
0.2 to 1.2
0.2 to 1.2
1
60A for 2.5 sec.; 100A for 0.9 sec..
B
18 to 54
-001
WD5051-3-001
–
0.6 to 3.6
0.6 to 3.6
Dimensions are in inches over
(millimeters) unless otherwise
specified.
3
13.5 to 32
WD 5051 -002
1.2 to 7.2
1.2 to 7.2
-002
–
6
100 to 200
100 to 140
1.6 to 9.6
1.6 to 9.6
-003
8
Catalog 1308242
Issued 3-03
WD5051 Calibration
The calibration marks on the faceplate are provided only as guides. Proper
calibration requires using an accurate ammeter in series with the current
source. Use the following procedure to calibrate your relay:
OVERCURRENT
1.
2.
3.
4.
5.
WD5051 Controls
WD5051
Single Phase Model
WD5051 1Ø and 3Ø Overcurrent Relays
• Function 5051
WD5051 Connections
WD5051-3
Three Phase Model
WD5051-3
Three Phase Model
Remover the cover.
Adjust the TRIP SET control fully clockwise (CW) and the TIME
DELAY control (TOC only) fully counterclockwise (CCW).
Apply the desired trip current to the relay.
Slowly adjust the TRIP SET control CCW until the relay trips.
Remove the applied current (do not change the current level). Set the
TIME DELAY (TOC only) control to the desired time delay.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
KILOVAC
1313
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