ABB SOR-C XT1-XT4 F/P 220-240Vac-220-250Vdc, Shunt opening release (YO)

ABB SOR-C XT1-XT4 F/P 220-240Vac-220-250Vdc, Shunt opening release (YO) UVR (Under voltage release - YU) ㆍ อุปกรณ์ที่สั่งให้เบรกเกอร์เปิดวงจรทางไฟฟ้า เนื่องจากตรวจพบ แรงดันต่ำกว่าช่วงที่เลือกไว้ ㆍ โดยปกติมักจะต่อคู่กับ Under voltage delay time (UVD) ㆍ มีให้เลือกหลากหลายแรงดันใช้งาน แต่ในไทยทำตลาดที่แรงดัน 220VAC สามารถใช้กับเบรกเกอร์ในรุ่น: XT1 XT2 XT3 XT4 XT5 XT6 XT7 XT7M SOR-C and UVR-C Service releases The cabled shunt opening release SOR-C allows for opening of the circuit-breaker by means of a non-permanent electrical control. Operation of the release is guaranteed for a voltage between 70% and 110% of the power supply rated voltage value Un, in both alternating and direct current. It is fitted with an integrated limit contact for cut- ting off the power supply. The SOR-C mechanical life is 10% of the corresponding circuit-breaker. The cabled undervoltage release UVR-C ensures circuit-breaker opening for lack/lowering of the release power supply voltage. Opening is guaran-teed when the voltage is between 70% and 35% of Un as specified in the Standard. After tripping, the circuit-breaker can be closed again starting from a voltage higher than 85% of Un. With the undervoltage release de-energised, it is impossi- ble to close the circuit-breaker and/or the main contacts. The UVR-C mechanical life is 10% of the corresponding circuit-breaker. The service releases SOR-C and UVR-C for AO, A1, A2 and A3 which can be mounted as an alternativebetween each other, are only available in the ca-bled version (20 AWG cable section/0.5mm2), with free cables 1 m long. For A1 and A2, screw-less snap-on assembly is carried out in the special slot of the circuit-breaker. In the following circuit-breakers: two-pole (A1, A2), the SOR-C or UVR-C can be mounted as an alternative in the right-hand slot; three-pole (AO, A1, A2, A3), the SOR-C or UVR-C can be mounted as an alternative in the left-hand slot; four-pole (A1,A2,A3), the SOR-C or UVR-C can be housed as an alternative, in the slot of the third pole.