QZJB50A-D Normally Closed DC Contactor

QZJB50A-D 常閉DCコンタクタ

Discover the QZJB50A-D Normally Closed DC Contactor for reliable performance and safety. Perfect for your electrical projects. Shop now!
概要

FEATURES

Reliability is a major feature of normally closed DC contactors. These devices are designed to withstand frequent switching operations and are suitable for use in demanding industrial environments. Their long service life reduces the need for frequent replacement, which can be expensive and time-consuming. In industries where downtime can result in significant financial losses, the reliability of normally closed DC contactors is a critical factor in maintaining operational efficiency. Their rugged construction ensures they can withstand the rigors of daily use, giving operators and engineers alike peace of mind.

サヨーンモデルの示唆

QZJB

50A

-D

-S

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製品種別  

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定格電流  

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Coil type: None-Double coil structure; 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: None-M Horizontal (default)

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Other function codes

7

Other special functions: V-With capacitive load

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

Uses

This product have one normally close contact, for 5G cabinet, telecommunication equipment, engineering machinery, car batteries, electric forklift trucks, trains, ships, electronic control systems such as uninterruptible power supply.

Technical Parameters:  (Version 1.33)

 SAYOON 製品タイプ

 QZJB50A-D

 お問合せフォーム  1 NC
 Coil Rated voltage (DC V)  6V,12V,24V,36V,48V,60V,72V,96V etc.
 Contact voltage (DC V)  ≤150V
 Rated load current of contact 48V circuit (A)  50A
 Rate load current of contact circuit  ≯80mV
 The cooling pull-in voltage at (20±5)℃ (V)  ≯70%
 The cooling drop-out voltage at (20±5)℃ (V)  ≯50%,≮5%
 Working voltage range of 40℃ coil  0.8-1.2Us
 Drop-out time (n/o contacts to open)  15ms
 Pull-in time (n/o contacts to close)  5ms
 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  600A/5ms at 48V DC
 Coil power (W)  5-9
 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  M5 Screw
 Coil terminal type  M3 Screw

 

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-50-20k
  • fzsj-50-500

Installation Diagram

qzj50a-d

Wiring Diagram

czw-01_e

Temperature Curve

xqws-szj100a-d

Mechanical Ability And Use Of The Environment

 Contact lead M5 tightening torque (N.m)  2.5より大きいのが適切
 Coil lead M3 tightening torque (N.m)  ≯0.8 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

 QZJB50A-D

 Mounting bracket type  M Horizontal (default)

 

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 QZJB50A-D/24V 100pcs, indicating the load rated current 50A, 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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