ZHRA2-A,B,D Motor Protector relay
Categories Motor Protector Relay Rated control supply voltage AC380V. AC220V. 50Hz/60Hz Contact capacity Ith:5A;AC-15;Ue/Ie 380V/0.95A 240V/1.5A Setting mode Button setting IP Class IP20 Use category AC-15 Starting avoid time 2s~ 120s adjustable Tripping class 1、2(10A)、 3(10)、 4(20)、5(30) Protection Overload, current unbalance, phase loss, temperature Convertion time 2s~ 900s adjustable Current unbalance rate 20%~ 90% adjustable Update Time 2021-10-17Detail Information
Used in air conditioning units, elevator machine room, pumps, fans and other motor control applications, as protection of over-voltage, under voltage, phase failure, phase sequence and phase unbalance. When the power supply is abnormal, turn off power supply to protect the equipment.
Built-in microprocessor，current measurement accuracy ≤2%.Button setting,double LED digital display. With three-phase current inquiry and protectionof overload, phase failure, unbalance and temperature. Support power-offself-staring, two-speed motors, star-delta starter.No-load start,protection of any phase loss or overload.No contact protection.Wiring DiagramDimensionsCompany