Durable 50A Normally Closed DC Contactorfor Industrial Applications

• Customization: Available
• Electricity Type: DC
• Number of Pole: 1
• Model NO.: BZJ-50A 12V 24V 48V
• Phase: 0
• Main Circuit Rating Voltage: 48V
• Main Circuit Rating Current: 50A
• Type: Dc Contactors
• Use for: Communication Power Supply
• Electrical Life: 10000 Times
• Coil Voltage: 12V 24V 36V 48V
• Transport Package: Paper Box
• Specification: Ag Alloy
• Origin: China Zunyi
• HS Code: 8536419090
• Production Capacity: 20wpieces/Year

Product Description

Company Profile

Shenzhen Beicheng Co., Ltd. is guided by customer demand and technical trend, combined with communication power supply and new energy development trend, providing solutions and products for communication power supply, energy storage, charging pile, low-speed vehicle, golf cart, frequency converter, construction machinery and other industries.

The company mainly engaged in low-voltage DC contactors and shunt, as well as high-voltage DC contactors, power modules, switching power supplies, and PCB boards, Development board, Expansion board, Electronic component, Industrial control product.

Product voltage range covers 12VD-1500VDC, current range 1A-3000A, the main users are well-known enterprises at home and abroad. Shenzhen Bicheng was founded in 2015, has been committed to the purpose of serving customers. Won the customer′s high praise and excellent supplier honorary title.
Contactor Data
This series of products have a normal closed, load current 50A, reliable performance, suitable for Electric Control System Of Communication Power Supply,Engineering Machine,Electromotion Forklift,Motor Car,Train,Frequency changer......
Specifications 
  

Model No.			BZJ-50D/24·48A1	BZJ-50D/48·48A1
Rated voltage of contact circuit(V DC)			48	48
Rated current of contact circuit(A)			50	50
Rated coil voltage(V DC)			24	48
Cold operating voltage(V)	Maximum pull-in voltage(20±5)ºC		15	30
	Minimum release voltage(20±5)ºC		2.7	5.4
Maximum starting current in cold state(20±5)ºC(A)			0.5	0.2
Maximum holding current under cold condition(20±5)ºC(A)			0.5	0.2
Coil voltage fluctuation range			±20%
Contact drop( mV)			≤80
Insulation resistance( M Ω )			1
Dielectric strength of insulation			1000V AC,50Hz,1min
Maximum operating time at rated voltage		actuation	30ms
		Release	30ms
Contact break maximum bounce time			3ms
Maximum breaking capacity of main contact			On/off 1 time 4 times rated load current, power on time 5ms
Electrical Life			10,000
Mechanical Life			100,000
Others

 

Ambient Temperature	-25 ºC ~ +60 ºC
Relative humidity	20 ºC , 98%
Vibration	1~50Hz(frequency1~10Hz,amplitude 25/f2;frequency10~50Hz,amplitude 250/f2)
Punch	30m/s2
Mounted square type	Dress as you please
Class of protection	The Protection Grades:IP40, Technical standard:GB14048.4-2010 Certificate:UL ROHS