SZJ300A-D Normally Open DC Contactor

SZJ300A-D 常開直流接触器

Discover the SZJ300A-D Normally Open DC Contactor for reliable performance in your applications. Ideal for efficient electrical control. Shop now!
概要

FEATURES

The applications for normally open DC contactors are very wide and varied. They are often used in motor control systems to manage the operation of DC motors by providing a reliable method of starting and stopping the motors. In addition, these contactors are used in lighting systems, allowing for the control of lights in commercial and industrial settings. They also play an important role in heating equipment, where they are used to regulate the power to the heating elements. Furthermore, with the rise of renewable energy systems such as solar inverters, normally open DC contactors have become an integral part of managing the current generated by solar panels.

サヨーンモデルの示唆

SZJ

300A

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-S

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製品種別

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定格電流

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Coil type: D-Single coil structure

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

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Mounting bracket type: なし-M Horizontal (default); E-Level embedded; X-Oblique; L(N)-Vertical; E1-Level embedded single direction

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Other function codes

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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 2.44)

 SAYOON 製品タイプ

 SZJ300A-D

 お問合せフォーム  1 いいえ
 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)  300A
 100Aあたりの接点における標準的な電圧降下  ≯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)  25ms
 Pull-in time (n/o contacts to close)  12ms
 Maximum bounce time for contact connection  10ms
 Maximum bounce time for contact disconnection  3ms
 Insulation resistance  20MΩ
 耐電気強度  50Hz/60Hz 1000VAC 1分間
 遮断可能な代表的な故障電流  1000A / 5ms(48V/DC)
 Coil power (W)  7-15
 Temperature rise of coil (K)  ≤60
 Temperature rise on outgoing terminal (K)  ≤65
 電気の生活  2万回
 機械生命体  300,000 times
 仕様書  継続的
 Contact material  Ag alloy
 Load terminal type  M8 Screw
 Coil terminal type  M4 Screw
 補助接点定格負荷(オプション)  2A/48VDC、5A/24VDC
 Testing organization certification  CCC,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-200-20k
  • fzsj-200-1000

Installation Diagram

szj200a-dszj200a-d_1szj200a-d-s

Wiring Diagram

szj-10-d_e

Temperature Curve

xqws-szj100a-d

Mechanical Ability And Use Of The Environment

 Contact lead M8 tightening torque (N.m)  ≯9.0適切
 Coil lead M4 tightening torque (N.m)  ≯1.2 appropriate
 周囲温度  -25〜+70℃
 相対湿度  +20℃ 98%
 固定位置での振動数  3G、1〜50Hz 振幅0.5mm
 脳震盪  (60~100)回/分、加速度≤4g
 高度  2000m
 取り付け方向  ランダム
 International Protection  IP40 (According IEC60947)

Order Instruction

 SAYOON 製品タイプ

 SZJ300A-D

 U.N.W.  526g
 梱包数量.  50PCS
 Mounting bracket type  None – M Horizontal (default), E Level embedded, X Oblique, 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 SZJ300A-D/24V 100pcs, indicating the load rated current 300A, 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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