CZW2000A-K Magnetic Holding DC Contactor

Magnetic Holding DC Contactor is a special type of contactor, mainly used in DC circuits. Its working principle is similar to that of traditional contactors, but it has some unique features and advantages.

product details

FEATURES

The following is the main information about magnetic holding DC contactor:

1. Magnetic holding function: After the magnetic holding contactor is turned on, it can keep the contacts closed by electromagnetic force. Even if the power current drops below a certain threshold, the contactor can still remain closed. This feature allows it to reduce energy consumption in some applications.

2. Energy saving: Since no continuous current is required to maintain the contactor closed in the holding state, the magnetic holding contactor can significantly reduce energy consumption and is suitable for applications with long holding states.

3. Fast response: Compared with traditional contactors, magnetic latching contactors generally have faster response times and can quickly switch circuit states.

4. High reliability: Due to its design and working principle, magnetic latching contactors generally have high reliability and long service life.

5. Wide range of applications: Widely used in power systems, automation equipment, transportation, renewable energy and other fields.

SAYOON MODEL IMPLICATION

CZW	2000A	-K	-C	-S	-□	-□	/24V
1	2	3	4	5	6	7	8

1	Product type: 1NO
2	Rated current
3	Magetic holding structure: K-Two joint magnetic retention (Single coil, Two joint self-locking); 2K-Three joint magnetic retention (Double coil, Three joint self-locking)
4	Magnetic blow-out
5	Auxiliary switch: None-Without auxiliary switch; S-With auxiliary switch
6	Mounting bracket type: 2L-Two vertical (default); L-One vertical; M-Horizontal
7	Other function codes: l-With suppressor diode; R-With pre-charged resistance
8	Coil rated voltage: 12V, 24V, 36V, 48V, 60V, 72V etc.

Uses

This product realizes zero power connection when working. It is suitable for 5G、charging pile, telecommunication communication equipment, automation equipment, electric vehicle, energy-saving and environmental protection system, road traffic lighting system, programmable power supply and uninterrupted power supply equipment.

Technical Parameters: (Version 2.02)

SAYOON Product Type	CZW2000A-K
Contact form	1 Circuit
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)	2000A
Typical voltage drop across contacts per 100A	≯80mV
The cooling pull-in voltage at (20±5)℃ (V)	≯80%
The cooling drop-out voltage at (20±5)℃ (V)	≯80%
Working voltage range of 40℃ coil	0.8-1.2Us
Pulse dration	200ms≤t≤1s
Operating frequency(square wave)	1 minute≤6 times
Insulation Resistance	100MΩ
Electric strength to resist	50Hz/60Hz 2200VAC 1minute
Typical fault currents which can be ruptured	4000A/5ms at 48V DC
Coil power (W)	K Start: 30-42，2K Start: 60-82, Keep: 0
Temperature rise of coil (K)	Normal temperature
Temperature rise on outgoing terminal (K)	≤65
Electrical life	10,000 times
Mechanical life	300,000 times
Work specification	Continuous
Contact material	Ag alloy
Load terminal type	M12 Screw
Coil terminal type	0.3 square wire,320mm long
Auxiliary contact rated load (optional)	2A/48VDC, 5A/24VDC
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

Other Wiring Diagram

Mechanical Ability And Use Of The Environment

Contact lead M12 tightening torque (N.m)	≯30 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	CZW2000A-K
U.N.W.	5150g
Package QTY.	2PCS
Mounting bracket type	2L Two vertical (default), 1L One vertical, M Horizontal

When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: Magnetic Holding DC Contactor CZW2000A-K/24V 100pcs, indicating the load rated current 2000A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.