SZJB300A-D DC contactor

FEATURES:

Suitable for electric forklift, battery cars, tractors, excavators, brick machine, cleaning vehicles, automotive air-conditioning, communication power supply, uninterruptible power supply, power supply switches such as electroplating electronic control system control circuit, has the advantages of small volume, large load capacity, long service life, easy maintenance and other characteristics, welcomed by users. The products in accordance with the standard of the JB2286-78, JB3974-85, YD / 585-92, YD / T512-92 requirements; the plant and related test unit test, meet the standard requirements, the user use for many years, the maximum to meet user needs, quality and reliable.

MODEL IMPLICATION:

USES:

This product have one normally close contact, for electric vehicles, telecommunication equipment, engineering machinery, car batteries, electric forklift trucks, trains, ships, electronic control systems such as uninterruptible power supply.

TECHNICAL PARAMETERS: (Version 1.81)

SAYOON Product Type	SZJB300A-D
Contact form	1 NC
Coil Rated voltage(DC V)	6V,12V,24V,36V,48V,60V,72V,84V,120V,150V,220V etc.
Contact voltage(DC V)	≤80V
Rated load current of contact 48V circuit (DC-1)	300A
Typical voltage drop across contacts per 100A	≯80mV
the cooling pull-in voltage at (20±5)℃ (V)	≯70%
the cooling drop-out voltage at (20±5)℃(V)	≯35%,≮5%
Working voltage range of 40 degrees celsius coil	0.8-1.2Us
Drop-out time(n/o contacts to open)	10ms
Pull-in time (n/o contacts to close)	20ms
connect the maximum contact bounce time	10ms
Disconnect the maximum contact bounce time	3ms
Insulation resistance	20MΩ
Electric strength to resist	50Hz/60Hz 1000VAC 1minute
Typical fault currents which can be ruptured	1000A/5ms at 48V/DC
Coil power (W)	7-15
Temperature rise of coil (K)	≤80
Temperature rise on outgoing terminal (K)	≤65
Electric life	20000 times
Mechanical life	300 thousand times
Work specification	Continuous
Contact material	Ag alloy
Load terminal type	M8 Rose
Coil terminal type	M4 Rose
Auxiliary contact rated load (choose)	2A/48VDC, 5A/24VDC，1NO 1NC
Testing organization certification	CCC,CE,FCC,RoHS

Note:As regarding to the different using environments of customers which requires different focus of the functions,and in order to improve the comprehensive properties of our products,sayoon may adjust the coil parameters,temperature rise and so on. The above parameters are for reference only, For details, please refer to the guidelines for selection and use of the SAYOON DC contactor.

LOAD CHARACTERISTIC CURVE:

INSTALLATION DIAGRAM:

WIRING DIAGRAM:

COIL TEMPERATURE CURVE:

MECHANICAL ABILITY and USE of the ENVIRONMENT:

Contact lead M8 tightening torque(N.m)	≯9.0 appropriate
Coil lead M4 tightening torque (N.m)	≯1.2 appropriate
Ambient temperature	-25~+70℃
Relative humidity	+20℃ 98%
Vibration freq. atthe fixed position	3G, 1～50Hz amplitude 0.5mm
concussion	(60～100) time/minute、Acceleration≤4g
Altitude	2000米
Installation direction	Random
International Protection	IP40 (According IEC60947)