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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

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

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

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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