Tìm thấy 54 sản phẩm cho "
power system protection relays
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110V / 240V Điện áp bảo vệ kỹ thuật số vượt quá 30mA 50mA 75mA 100mA
110V / 240V Over Voltage Digital Protection Relay 30mA 50mA 75mA 100mA Description: Purple Horn Earth Leakage Relay is a micro-mrocessor based electronic protection device designed to recognize current leakage to ensure the protection of electrical installations and persons against direct and ...
Rơle bảo vệ chống rò rỉ trái đất, Relay bảo vệ số 5A
Ground Earth Fault Protection Relay , 5A Digital Protective Relay A relay used in the power system to detect neutral or ground faults measure the vector difference of the three phase power, or measure the neutral current directly. Description: Purple Horn Relay is a micro-mrocessor based electronic ...
Rơle bảo vệ tương tác ngược thời gian tự động IDMT Bảo vệ quá dòng
Automatic Inverse Time Protective Relays IDMT Overcurrent Protection Time overcurrent relays operate with a time delay, which is adjustable. For given setting, the actual time delay depends on the current through the relay coil. Higher current will cause a faster operation of the relay. The minimum ...
AC IDMT Tự động bảo vệ quá dòng relay 5A một pha
AC IDMT Automatic Overcurrent Protection Relay 5A Single Phase A relay is intended protect loads or circuits from excessive current. Description: Purple Horn overcurrent protection delivers comprehensive protection schemes for low voltage applications. All Mikro's overcurrent units are microprocesso...
KLR332 Relay bảo vệ Màu xanh lá cây LED Red LED Liên hệ Chất liệu Bạc hợp kim
KLR332 Earth Leakage Relay Protection Relay green LED red LED contact material silver alloy Features ① Numerical earth leakage relay ② Programmable current sensitivity and time delay ③ Built-in digital harmonic filter ④ Detection of no connection to current transformer ⑤ Real-time leakage current ...
KLR733 Rơle bảo vệ, Ngắt Rò rỉ Rò rỉ Trái đất Thời gian hoạt động 15ms Max
KLR733 Protection Relay , Reclosing Earth Leakage Relay Operating Time 15ms Max Features ① Numerical self-reclosing earth leakage relay ② Programmable current sensitivity and time delay ③ Programmable number of reclosing ④ Programmable time delay for reclosing ⑤ Programmable automatic reset time ⑥...
Rơle bảo vệ chống lỗi Trái đất 5A nhạy cảm cho Bảo vệ Rò rỉ của Trái đất
Sensitive 5A Earth Fault Protection Relay for Earth Leakage Protection A relay used in the power system to detect neutral or ground faults measure the vector difference of the three phase power, or measure the neutral current directly. Description: Purple HornRelay is a micro-mrocessor based ...
GTH40 UL Tấm truyền nhiệt quá nhiệt từ trường điện Rơle bảo vệ điện
GTH40 UL Magnetic Thermal Overload Relay Electrical Protective Relays UKH series thermal overload relays apply to circuit of AC 50Hz or 60Hz, rated voltage to below 660V and rated current . 1A-800A for AC motor overload and open-phase protection during long time or intermittent long time service, ...
Ổn áp quá tải nhiệt động cơ GTH-12M, bảo vệ quá tải
GTH-12M Mini Motor Thermal Overload Relay , Overload Protection Relay Thermal overload relays are protective devices. They are designed to cut power if the motor draws too much current for an extended period of time. To accomplish this, thermal overload relays contain a normally closed (NC) relay. ...
