ABB WVM Series Selection Manual page 7

Voltage monitors
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Technical Data
Line Voltage
Type
Operating Voltage 200 ... 480 V AC
600 V AC
Line Frequency
Phase Loss
Response Time
Undervoltage and Voltage Unbalance
Type
Overvoltage:
Reset Voltage
Undervoltage:
Trip Voltage
Reset Voltage
Trip Set Point
Voltage Unbalance:
Reset on Balance
Trip Delay
Restart Delay
Trip / Reset
Over/Under Frequency
Phase Sequence
Response Time
-Phase Reversal & Phase Loss
Reset
Output
Type
Control Contact
Alarm Contact
Life
Protection
Surge
Isolation Voltage
Mechanical
Mounting
Package
Termination
Environmental
Operating Temperature
Storage Temperature
Humidity
Weight
Low Voltage Products & Systems
ABB Inc. • 888-385-1221 • Technical assistance 800-377-7722 • www.ssac.com
Universal 3 Phase Voltage Monitor
DLMU Series (SPDT & N.O. or N.C.)
Motor Protector
3 phase Delta or Wye with no connection to neutral
Range
Voltage Adjustment Range
240 200 ... 240 V AC
380 340 ... 420 V AC
480 400 ... 480 V AC 60 Hz
600 500 ... 600 V AC 50 or 60 Hz
50 or 60 Hz Automatically detected
≥ 25% Unbalance
≤200ms
Voltage detection with delayed trip & automatic reset
Trip Voltage
109 to 113% of the adjusted line voltage
≅ -3% of the trip voltage
88 ... 92% of the adjusted line voltage
≅ +3% of the trip voltage
Adjustable 2 ... 10%; or specify fixed unbalance of 2 ... 10% in 1% increments
≅ -0.7% Unbalance
Active On
Over/Undervoltage, Voltage Unbalance, Over/Under Frequency
Range
Adjustable from 1 ... 30 s; or specify fixed delay 1 ... 30 s in 1 s increments
Tolerance
± 15%
Range
Adjustable from 0.6 ... 300 s; if no restart delay is selected a 0.6 s initialization delay applies
Tolerance
± 15%
±4%; Reset ±3%; 50 or 60 Hz
A, B, C, L1, L2, L3
≤200 ms
Automatic
Isolated Electromechanical Relay
Form
Single pole double throw (SPDT) (1 c/o)
Rating
10 A resistive at 240 V AC; 8 A resistive at 277 V AC; N.O-1/4 hp at 120 V AC; 1/3 hp at 240 V AC
Form
N.O. or N.C. SPST (selected in part number)
Rating
2 A resistive at 240 V AC
Mechanical -- 1 x 10
Electrical -- 1 x 30
IEEE C62.41-1991 Level B
≥ 2500 V RMS input to output
Surface mount with 2 #8 (M4 x 0.7) screw or snap on 35mm DIN Rail
Note: 0.25 in.(6.35 mm) spacing between units or other devices is required
4.33 x 2.95 x 1.97 in. (110 x 75 x 50 mm)
Screw terminals with captive wire clamps for up to #14 AWG (2.5 mm
IP 20 Touch Proof with removable covers installed
-40°C ... +60°C
-40°C ... +85°C
95% relative, non-condensing
≅ 8.6 oz (244 g)
Mechanical View
RC
RC
Line Frequency
50 or 60 Hz
50 Hz
6
3
Inches (Millimeters)
RC = Removable Terminal Cover (2)
Line Voltage Max.
550 V AC
600 V AC
) wire
2
7.7
1TRC 001 009 C0202

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