SZJB100A-D Normally Closed DC Contactor

SZJB100A-D Normally Closed DC Contactor

Discover the SZJB100A-D Normally Closed DC Contactor for reliable performance in your applications. Ideal for power control ensuring safety and efficiency
Overview

FEATURES

Another advantage is simple integration. Normally closed DC contactors can be easily integrated into existing electrical systems, making them a practical choice for upgrades or retrofits. Their simple design allows for seamless installation and operation, which is particularly beneficial in industrial environments where downtime must be minimized.

SAYOON MODEL IMPLICATION

SZJB

100A

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1

Product type                

2

Rated current                

3

Coil type: D-Single coil structure

4

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

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Mounting bracket type: None-M Horizontal (default); E-Level embedded; L(N)-Vertical; E1-Level embedded single direction

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Other function codes

7

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 1.92)

 SAYOON Product Type

 SZJB100A-D

 Contact form

 1 NC

 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)

 10ms

 Pull-in time (n/o contacts to close)

 25ms

 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)

 5-10

 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

 Contact material

 Ag alloy

 Load terminal type

 M6 Screw

 Coil terminal type

 M4 Screw

 Auxiliary contact rated load (optional)

 2A/48VDC, 5A/24VDC,1NO 1NC

 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

  • SEV100AD HV DC Contactor detial (4)
  • SEV100AD HV DC Contactor detial (3)

Installation Diagram

szj100a-dszj100a-d-s

Wiring Diagram

czw-01_e

Temperature Curve

xqws-szj100a-d

Mechanical Ability And Use Of The Environment

 Contact lead M6 tightening torque (N.m)

 ≯4.5 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

 SZJB100A-D

 U.N.W.

 305g

 Package QTY.

 100PCS

 Mounting bracket type

 None – M Horizontal (default), E Level Embedded, L (N) Vertical,E1 Level embedded single direction


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 SZJB100A-D/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.

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+86 130 5791 2357
Email
sayoon@sayoon.com