CZW252A Normally Open DC Contactor

Contatto DC normalmente aperto CZW252A

Discover the CZW252A Normally Open DC Contactor—reliable performance compact design and ideal for controlling circuits. Perfect for your electrical projects!
Panoramica

FEATURES

The fast response capability of normally open DC contactors makes them an ideal choice in many applications requiring high efficiency. In modern industry, many processes require real-time monitoring and control, and the rapid switching of contactors can ensure that the system maintains stable operation in a rapidly changing environment. In addition, with the development of intelligent manufacturing and Internet of Things technology, the requirements for equipment response speed are getting higher and higher, and the application prospects of normally open DC contactors are becoming more and more extensive.

IMPLICAZIONE DEL MODELLO SAYOON

CZW

252A

-S

-K

-2L

-□

/24V

1

2

3

4

5

6

7

1

Tipo di prodotto

2

Rated current: 250A

3

Auxiliary switch: None-Without auxiliary switch; S-With auxiliary switch

4

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)

5

Mounting bracket type: 2L-Two vertical (default); M-Horizontal; X-Oblique; 1LW-One vertical horizontal; 2N-Rear

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Other function codes: l-With suppressor diode; R-With pre-charged resistance; CO-Continuous; IN-Intermittent

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Coil rated voltage: 12V, 24V, 36V, 48V, 60V, 72V etc.

Uses

This product have one normally open 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 1.06)

 Tipo di prodotto SAYOON

 CZW252A

 Modulo di contatto  1 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)  250A
 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)  40ms
 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  1000A/5ms at 48V DC
 Coil power (W)  20-35
 Temperature rise of coil (K)  ≤80
 Temperature rise on outgoing terminal (K)  ≤65
 Vita elettrica  10.000 volte
 Vita meccanica  300,000 times
 Specifica di lavoro  Continuous or Intermittent(default)
 Contact material  Ag alloy
 Load terminal type  2-M6 Screw
 Coil terminal type  6.3mm spade terminals
 Carico nominale del contatto ausiliario (opzionale)  2A/48VDC, 5A/24VDC

 

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

  • fzsm-200-20k
  • fzsj-200-1000

Installation Diagram

czw252aczw252a_1czw252a_2czw252a_3czw252a_4

Wiring Diagram

szj-10-d_e

Temperature Curve

xqws-czw100a

Mechanical Ability And Use Of The Environment

 Contact lead M6 tightening torque (N.m)  ≯4.5 appropriate
 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

 CZW252A

 Mounting bracket type  2L Two vertical (default), M Horizontal , 1L One vertical, X Oblique, 1LW One vertical horizontal,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 CZW252A/24V 100pcs, indicating the load rated current 250A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.

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