STVP-931 380VAC Three-phase Overvoltage and Undervoltage Protection Device Phase Sequence Protector Relay Breaker
Features:
Microprocessor technology provideshighly accurate and repeatable protection.
Built-in LCD and keypad afford a precisediqital setting.
Compact modular 43mm housing.
Adjustable over-and undervoltage,phase unbalance threshold.
Independent adjustable delay time forovervoltage, undervoltage phase unbalance.
Adjustable reset method automatic resetor manual reset.
1 NO& 1 NC contacts.
Failure recording with last 3 faults.
Rated voltage: 380V 50Hz, Operating range: 300-490VAC.
Specifications:
Model number : STVP-931
Rated supply voltage:380VAC
Operating Range:300-490VAC
Voltage Hysteresis:10V
Automatic reset time:5s
Asymmetry Hysteresis 2%
Phase loss tripping time:1s
Phase sequence tripping time:instant
Measurement error:<1% with ajustable voltage range
Falure recording:three times
Output type:1NO&1NC
Contact capacity:6A,250VAC/30ADC(resistive load)
Degree of protection:IP20
Working condition:-25-65 degree,<85% RHmbon-condensing
Mechanical durability:1000000 cycles
Dielectric strength:>2K Vac 1MIN
Mounting:35mm DIN rail
Protective Functions:
Phase Loss(Failure)
Phase Sequence(Reversal)
Phase Unbalance(Asymmetry)
Undervoltage
Overvoltage
Applications:
Pumps, Fans, Refrigeration Unit, Blowers, Motors, Compressors, Lifts, Elevators, Crane, Mining excavators and conveyors
Note:
1.Due to the light and screen difference, the item's color may be slightly different from the pictures.
2.Please allow 1-3cm differences due to manual measurement.
Package includes:
1x Over Under Voltage Protection