Auto Recloser
MT53
MT53 automatic recloser are designed to automatically restart the associated protective device after it has untimely trip. It is compact type with 18mm。 The time sequence and reclosing program are fixed in the device. Dry contact , RS485, DC24V, 48V,60V are for options. MT53 can be conjunction with MCB,RCCB,RCBO from Chint, Nader and Schneider, ect.

Electrical Features |
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Item Code | MT53NA/MT53RA | |
Rated Voltage Ue (Vac) | 230 | |
Rated Frequency (Hz) | 50/60 | |
Power Consumption (VA) | <1.5 | |
Standby Power | - | |
Insulation Voltage Ui (Vac) | 4000V/min | |
Trip Time (s) | <=1.5 | |
Trips (Times) | 3 | |
Time Delay (s) | 10, 60, 300 | |
Reclosing Time (s) | <=3 | |
Reset System (ISPDT) | Rated Current 5A (250VAC) resistant load | |
Pollution Degree | 2 | |
Mechnical Features |
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Width (mm) | 18 | |
Electrical Life (times) | 10000 | |
Mechanical Life (times) | 20000 | |
Protection Degree | IP20 | |
Reference Temperature for Setting of Thermal Elecment (℃) | 30 | |
Ambient Temperature (℃) | -25---+55 | |
Storage Temperature (℃) | -40---+70 | |
Installation |
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Humidity (℃) | 95% | |
Terminal Connection Type | Cable | |
Terminal Size Top/Bottom for Cable (mm2) | 1x25.2x25 | |
Tightening Torque (N*m) | 4 | |
Mounting | On Din rail En60715(35mm) by means of fast clip device | |
Connection | From top to bottom | |
Communication Port |
Remote auxiliary contacts NO & NC | |
Compatiable Device |
MCB,RCCB,RCBO from Matismart, Chint, Nader and Schneider. Customized. |
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