VWKE

Series

May not be exact product – for reference only.

VWKE024D

Lead Time: 

10 Days

Function: 

Voltage band relay

Monitored Voltage:

24V DC

output:

15A SPDT

DROP OUT VOLTAGE SETTING

Adjustable % of Pick-up Voltage Setting

ENCLOSURE STYLE

17.5mm DIN-Rail

$108.20

Description of Function

As long as the monitored voltage (Un) remains within the OVER (Umax) & UNDER (Umin) voltage settings, the internal relay stays energized. If the monitored voltage falls outside this range, the relay will drop-out. The Umax dial sets the upper limit per the Overvoltage range of the product. The Umin dial sets the lower limit at 30-95% of the upper setting. This product has an adjustable time delay on drop-out of 0.1-10 seconds (t) to prevent nuisance tripping.

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:

17.5mm DIN-Rail
Configuration / Contact Rating:
15A @ 240V AC, B300
15A @ 240V AC, B300
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. 

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