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.

Specification Product pictures Data download

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 (Nm)**	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.