Overview

FEATURES

Power Systems: Distribution and Control

The CZWJ200A 2NO DC contactor is also an integral part of the power system for the distribution and control of DC power. This contactor is suitable for power conversion and distribution equipment, ensuring efficient management of electrical energy. Its rugged design and reliable performance make it an ideal choice for applications that require consistent power management. By facilitating the safe distribution of DC power, the CZWJ200A 2NO DC contactor plays a vital role in maintaining the stability and efficiency of power systems.

Rail Transit: Improving Transportation Infrastructure

In the field of rail transit, CZWJ200A 2NO DC contactors are used to control DC power systems in electrified railway and subway systems. Its ability to manage large currents and ensure safe operation is critical to the reliability of public transportation. By providing efficient power control, contactors contribute to the smooth operation of trains and subways and improve the overall efficiency of urban transportation networks. The role of CZWJ200A 2NO DC contactors in rail transit highlights their importance in the development of modern infrastructure.

Communication equipment and battery management system

CZWJ200A 2NO DC contactors are also used in communications equipment to manage and control DC power to communications base stations and related equipment. Their reliability ensures uninterrupted communications services, which is critical in today’s interconnected world. In addition, contactors play a key role in battery management systems, controlling the flow of current during battery charging and discharging. This function is critical to ensuring battery safety and performance, making CZWJ200A 2NO DC contactors an indispensable component in energy storage solutions.

SAYOON MODEL IMPLICATION

CZWJ	100A	-M	-□	/24V
1	2	3	4	5

1	Product type
2	Rated current
3	Mounting bracket type: M-Horizontal (default); L-One vertical; 2L-Two vertical; X-Oblique; 2N-Rear
4	Other function codes: l-With suppressor diode; R-With pre-charged resistance; CO-Continuous; IN-Intermittent
5	Coil rated voltage: 12V, 24V, 36V, 48V, 60V, 72V etc.

Uses

This product have two normally open contact, for electric tricycle, electric machinery and equipment, recreational vehicles, floor sweeper, system, ceramic machine, throwing cars, brick car, clean cars, solar boats

Technical Parameters: (Version 1.48)

SAYOON Product Type	CZWJ100A
Contact form	2 NO
Coil Rated voltage (DC V)	6V,12V,24V,36V,48V,60V,72V,84V,120V,150V,220V etc.
Contact voltage (DC V)	≤60V
Rated load current of contact 48V circuit (DC-1)	100A
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℃ coil	0.8-1.2Us
Drop-out time (n/o contacts to open)	40ms
Pull-in time (n/o contacts to close)	12ms
Maximum bounce time for contact connection	10ms
Maximum bounce time for contact disconnection	3ms
Insulation resistance	20MΩ
Electric strength to resist	50Hz/60Hz 1000VAC 1minute
Typical fault currents which can be ruptured	800A/5ms at 48V DC
Coil power (W)	14-23
Temperature rise of coil (K)	≤80
Temperature rise on outgoing terminal (K)	≤65
Electrical life	20,000 times
Mechanical life	300,000 times
Work specification	Continuous or Intermittent(default)
Contact material	Ag alloy
Load terminal type	M8 Screw
Coil terminal type	6.3mm spade terminals
Testing organization certification	CE,FCC

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

Temperature Curve

Mechanical Ability And Use Of The Environment

Contact lead M8 tightening torque (N.m)	≯9.0 appropriate
Coil lead-out torque (N.m)	≯0.8 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	2000m
Installation direction	Random
International protection	IP40 (According IEC60947)

Order Instruction

SAYOON Product Type	CZWJ100A
U.N.W.	475g
Package QTY.	60PCS
Mounting bracket type	M Horizontal (default), 1L One vertical, 2L Two vertical, X Oblique, 2N Rear

When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: DC Contactor CZWJ100A/24V 100pcs, indicating the load rated current 100A, without auxiliary contact, default mounting brack