VWKE
May not be exact product – for reference only.
VWKE120A
Lead Time:
Function:
Monitored Voltage:
output:
DROP OUT VOLTAGE SETTING
ENCLOSURE STYLE
Description of Function
Description of Function
Product Overview
Features:
- Monitors AC single phase and DC voltages
- True RMS Sensing ensures more accurate sensing
- Wide range of user-adjustable voltage pick-up and drop-out settings
- Adjustable time delay on drop-out of 0.1-10 seconds
- Pilot Duty Rating
- LED indicates output relay status
Enclosure Style:
Configuration / Contact Rating:
Application Information:
- Voltage Tolerance: +50%/-50% of nominal AC voltage (50-60Hz, +5%) or DC voltage; No separate input voltage is required since unit is powered by monitored voltage.
- Load (Burden): Less than 2 VA (12-120V); 30VA (240V & 480V)
- Voltage Settings:
Pick-up (Umax): Adjustable across full range as shown on the product nameplate
Drop-out (Umin): Adjustable from 75-95% of the Pick-up setting - Response Times: Pick-up: 500 ms; Drop-out (t): Adjustable 0.1-10 Seconds
- Indicator LED: Red when Relay is energized; Green when Relay is Off
- Output Contacts: 10A @ 240V AC, 7A @ 30V DC, 1/4HP @ 120/240V AC, C300
- Life: Mechanical: 10,000,000 operations; Full Load: 100,000 operations
- Temperature: -28° to 65° C (-18° to 149° F)
Approvals:
Operations
Over/Under Voltage Relays provide protection to equipment where either an over or under voltage condition is potentially damaging. They are designed to operate when the operating voltage reaches a preset value and drop-out when the operating voltage drops to a level below the preset value.
Adjust the pick-up voltage setting (Umax) between the full range as shown on the product nameplate. Then adjust the drop-out voltage setting (Umin) between 75% and 95% of the pick-up setting. The relay energizes (and the LED is Red) when the monitored voltage is above the pick-up setting for a period longer than the fixed pick-up time delay of 0.5 seconds. The relay de-energizes (and the LED is Green) when the monitored voltage is below the drop-out setting for a period longer than the drop-out time delay (t), which is adjustable between 0.1-10 seconds.
Product Reviews
VWKE120A
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