Panoramica

FEATURES

Normally closed DC contactors are an important part of the electrical engineering field. Its numerous advantages, including safety, fault protection, simple control logic, reliability, versatility, low power consumption and fast response speed, make it a must-have choice for a variety of applications. As the industry continues to evolve and demand more efficient and reliable electrical systems, the role of normally closed DC contactors will only become more important. By understanding and utilizing the advantages of these contactors, engineers and technicians can ensure safe and efficient control of DC circuits, ultimately promoting technological advancement and safety in the modern world.

IMPLICAZIONE DEL MODELLO SAYOON

CZWB	100A	-S	-C	-K	-M	-□	/24V
1	2	3	4	5	6	7	8

1	Tipo di prodotto
2	Corrente nominale
3	Auxiliary switch: None-Without auxiliary switch; S-With auxiliary switch
4	Magnetic blow-out
5	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)
6	Mounting bracket type: M-Horizontal (default); L-One vertical; 2L-Two vertical; X-Oblique; 1LW-One vertical horizontal; 2N-Rear
7	Other function codes: l-With suppressor diode; R-Load precharge resistance; U-Increase rated current; CO-Continuous; IN-Intermittent
8	Coil rated voltage: 12V, 24V, 36V, 48V, 60V, 72V etc.

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 1.45)

Tipo di prodotto SAYOON	CZWB100A
Modulo di contatto	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)	100A
Caduta di tensione tipica ai capi dei contatti 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)	35ms
Pull-in time (n/o contacts to close)	10ms
Maximum bounce time for contact connection	10ms
Maximum bounce time for contact disconnection	3ms
Insulation resistance	20 MΩ
Resistenza elettrica	50Hz/60Hz 1000VAC 1 minuto
Correnti di guasto tipiche che possono essere interrotte	800A/5ms at 48V DC
Coil power (W)	14-23
Temperature rise of coil (K)	≤80
Temperature rise on outgoing terminal (K)	≤65
Vita elettrica	20.000 volte
Vita meccanica	300,000 times
Specifica di lavoro	Continuous or Intermittent(default)
Contact material	Ag alloy
Load terminal type	M8 Screw
Coil terminal type	6.3mm spade terminals
Carico nominale del contatto ausiliario (opzionale)	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

Temperature Curve

Mechanical Ability And Use Of The Environment

Contact lead M8 tightening torque (N.m)	≯9,0 appropriato
Coil lead-out torque (N.m)	≯0.8 appropriate
Temperatura ambiente	-25~+70℃
Umidità relativa	+20 °C 98%
Frequenza di vibrazione nella posizione fissa	3G, ampiezza 1-50 Hz 0,5 mm
Commozione cerebrale	(60～100) volte/minuto, accelerazione ≤ 4g
Altitudine	2000m
Direzione di installazione	Casuale
Protezione internazionale	IP40 (According IEC60947)

Order Instruction

Tipo di prodotto SAYOON	CZWB100A
U.N.W.	436g
U.N.W.(-C-S-M)	460g
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 CZWB100A/24V 100pcs, indicating the load rated current 100A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.