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EKV8 Monitoring Voltage Relay

EKV8 Monitoring Voltage Relay
Technical Data

■ Applications
- Protect electrical equipment and motors from over-voltage and under-voltage.
- Normal/emergency power supply switching.halls or for delayed fi nish of fans (WC, bathroom, etc.).

■ Function Features
- Controls its own supply voltage(True RMS measurement)
- User may select operation mode through knob.
- Voltage measurement accuracy<1%.
- Relay status is indicated by LED.
- 1-MODULE,DIN rail mounting.

■ Model and connotation

Technical parameters

Technical parameters EKV8-01 EKV8-02
Function Monitoring voltage
Supply terminals A1-A2
Rated supply voltage DC12V,AC/DC24V-48V,AC/DC110V-240V,AC220V
Rated supply frequency 45Hz-65Hz, 0
Hysteresis 5%-20% 3%fixed
Supply indication Green LED
Time delay Adjustable 0.1s-10s, 10%
Measurement error ≤1%
Run up delay at power up 0.5s time delay
Konb setting accuracy 10% of scalevalue
Reset time 1000ms
Switching voltage 250VAC/24VDC
Min.breaking capacity DC 500mW
Output indication Red LED
Mechanical life 1×107
Electrical life(AC1) 1×105
Operating temperature -20℃ to +55℃(-4℉ to 131℉)
Storage temperature -35℃ to +75℃(-22℉ to 158℉)
Mounting/DIN rail Din rail EN/IEC 60715
Protection degree IP40 for front panel/IP20 terminals
Operating position Any
Overvoltage cathegory III.
Pollution degree 2
Max.cable size(mm2 ) Solid wire max.1×2.5 or 2×1.5/with sleeve max.1× 2.5(AWG 12)
Dimensions 90×18×64mm
Weight 59g
Standards IEC60255-1, IEC60947-5-1