SZJ1000A Normally Open DC Contactor

SZJ1000A Normally Open DC Contactor

Discover the SZJ1000A Normally Open DC Contactor for reliable performance in your electrical projects. Perfect for controlling DC loads efficiently. Get yours today!
Overview

FEATURES

The application fields of normally open DC contactors are very wide, including the following aspects:
 1. Start and stop control of the motor
 2. Power management of automation equipment
 3. Control of solar and wind energy systems
 4. Traffic lights and other control systems
 Normally open DC contactors play an important role in modern industrial and commercial environments. In motor control, it can accurately manage the flow of current, ensure the smoothness of the motor when starting and stopping, and reduce mechanical wear and failure risks. In automation equipment, the contactor’s efficient power management function can optimize the operating efficiency of the equipment and reduce energy consumption.
 In the field of renewable energy, the application of normally open DC contactors is also indispensable. In solar power generation and wind power generation systems, they are responsible for controlling the flow of current to ensure efficient use of energy and safe operation of the system. In addition, the application of contactors in traffic lights and other control systems demonstrates their importance in public safety and traffic management.

SAYOON MODEL IMPLICATION

SZJ

1000A

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1

Product type                

2

Rated current                

3

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

4

Mounting bracket type: None-M Horizontal (default); E-Level embedded

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Other function codes

6

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 1.45)

 SAYOON Product Type

 SZJ1000A

 Contact form

 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)

 1000A

 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)

 ≯40%,≮5%

 Working voltage range of 40℃ coil

 0.8-1.2Us

 Drop-out time (n/o contacts to open)

 30ms

 Pull-in time (n/o contacts to close)

 15ms

 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

 3000A/5ms at 48V DC

 Coil power (W)

 Start: 140-190, Keep: 9-18

 Temperature rise of coil (K)

 ≤50

 Temperature rise on outgoing terminal (K)

 ≤65

 Electrical life

 10,000 times

 Mechanical life

 200,000 times

 Work specification

 Continuous

 Contact material

 Ag alloy

 Load terminal type

 2-M12 Screw

 Coil terminal type

 M4 Screw

 Auxiliary contact rated load (optional)

 2A/48VDC, 5A/24VDC

 Testing organization certification

 CE,FCC,RoHS


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-1000-10k
  • fzsj-1000-3000

Installation Diagram

szj1000a

Wiring Diagram

szj-10_e

Temperature Curve

xqws-szj200a

Mechanical Ability And Use Of The Environment

 Contact lead M12 tightening torque (N.m)

 ≯30.0 appropriate

 Coil lead M4 tightening torque (N.m)

 ≯1.2 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

 SZJ1000A

 U.N.W.

 2735g

 Package QTY.

 4PCS

 Mounting bracket type

 None – M Horizontal (default), E Level Embedded


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 SZJ1000A/24V 100pcs, indicating the load rated current 1000A, 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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+86 130 5791 2357
Email
sayoon@sayoon.com