Relay bảo vệ Selec

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ác loại relay bảo vệ (protection relay): relay bảo vệ quá dòng; relay bảo vệ chạm đất; relay bảo vệ mất pha, đảo pha; bảo vệ quá áp, kém áp; quá tần số, thiếu tần số

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MÃ HIỆU (MODEL)	THÔNG SỐ KỸ THUẬT CHÍNH (MAIN FEATURES)
CPR605 Datasheet Manual	- Relay bảo vệ quá dòng (Over Current Relay) - 3ø-4 wire - Phase current : 5 A - Trip setting (Over Current) : 30,40,50.60,70,80,90,100,110,120% of phase current - Trip time delay : 0.2 to 10 sec (adjustable) - Hysteresis (adjustable) : 5, 10, 15, 20, 25. 30% of trip current - Auto reset on removal of fault condition - Two outputs : Normal, Fail Safe - Supply Voltage : 240 VAC (+/-25%)
ELR600 Datasheet Manual	- ELR600 : (earth leakage relay) Relay bảo vệ dòng rò (dùng ZCT) của Selec. - 3ø-4 wire and 1ø / Sử dụng cho mạng 3 pha 4 dây hoặc mạng 1 pha - Trip setting (Leakage current) / Ngưỡng tác động (rò):30,100,300,500 mA, 1,3,5,10,20,30 A - Trip time delay / Thời gian trễ:0 to 9 Sec (adjustable) - Trip level % indication : via LED bargraph - Two outputs : Trip, Fail Safe - Supply Voltage : 230 VAC (+/-15%) - Compatible CT ratio / Tỉ số biến của ZCT : 1200:1 - CT sizes available / Kích thước ZCT (đường kính trong): 35mm, 70mm, 120mm
VPR604 Datasheet Manual	- VPR604 : (Over voltage / under voltage / phase loss, phase missing, phase failure / phase sequence, phase reversal relay) Relay bảo vệ thiếu áp, quá áp, mất pha, đảo pha của Selec. - 3 phase under / over voltage (110/240 V) - Trip setting -25% to + 25% of rated voltage - Phase reverse - Phase missing - With fail safe relay - 3ø-4 wire - Nominal voltage : 240 VAC - Trip setting (UV) :(Vn-%) 25, 22.5,20,17.5,15,12.5,10,7.5,5,2.5 - Trip setting (OV) :(Vn+%):2.5,5,7.5,10,12.5,15,17.5,20,22.5,25 - Trip time delay : 0.2 to 10 sec (adjustable) - Hysteresis : Approx. 2% - Auto reset on removal of fault condition - One output : Fail safe - Supply Voltage : 240 VAC (+/-30%)
FPR602 Datasheet Manual	- FPR602 : (under frequency / over frequency relay) Relay bảo vệ sai lệch tần số (thiếu, quá) của Selec. - Under/over frequency (50 Hz) - Trip setting -20% to +20% of nominal frequency - 1ø - Nominal frequency : 50 Hz - Trip setting (UF) : 40,41,42,43,44,45,46,47,48,49 Hz - Trip setting (OF) : 51,52,53,54,55,56,57,58,59,60 Hz - Trip time delay : 0 to 9 sec (adjustable) - Hysteresis : -0.5 to 2 Hz (dependant of Under / Over frequency trip settings) - Auto reset on removal of fault condition - Two outputs : Trip, Fail Safe - Supply Voltage : 240VAC (+/-30%)