Automatic Reclosing Device

MT51

MT51 automatic recloser are designed to automatically restart the associated protective device after it has untimely trip. The time sequence and the max.reclosing number can be set in the device. The MT51 can be conjunction with Acti 9 series from Schneider as well. Dry contact and RS485 are for options.

 

 

Electrical Features

Item Code MT51RA/MT51NA/MT51RS/MT51NS
Rated Voltage Ue (Vac) 230
Rated Frequency (Hz) 50/60
Power Consumption (VA) 3
Standby Power 0.5
Insulation Voltage Ui (Vac) 4000V/min
Trip Time (s) <0.1
Trips (Times) Reclose adjustable (times): 0,1,2,3, 4, 5, 6, 7, 8, 9
Time Delay (s) 0, 10, 20, 30, 45, 60, 90, 120, 150, 180 (adjustable)
Reclosing Time (s) -
Reset System (ISPDT) Rated Current 5A (250VAC) resistant load
Pollution Degree 2

Mechnical Features

Width (mm) 36
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 RS485 communication port

Compatiable Device

MCB,RCCB,RCBO from Matismart, Chint, Nader and Schneider. Customized.
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