CZQH300A-2T DPDT Reversing DC Contactor

CZQH300A-2T DPDT Reversing DC Contactor

Discover the CZQH300A-2T DPDT DC Contactor for reliable switching in your electrical projects. Durable efficient and perfect for various applications
Overview

FEATURES

Ideal for electric forklifts, battery vehicles, tractors, excavators, brick machines, cleaning vehicles, automotive air conditioning, communication and uninterruptible power supplies, and electroplating electronic control systems. Features include compact size, high load capacity, durability, and easy maintenance, making it user-favored. Complies with JB2286-78, JB3974-85, YD/585-92, YD/T512-92 standards, rigorously tested to ensure reliability and meet user demands.

SAYOON MODEL IMPLICATION

CZQH

300A

-2T

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/24V

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Product type              

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Rated current              

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Circuit structure: DPDT

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P-With protective cover(default)

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Working system: CO-Continuous; INT-Intermittent

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

USES

This product have a switching phase contacts, for using in DC circuits and can be powered with battery of recitified power. They perform power switching funcition for power switching operations of traction drives as well as pump motor and other electric vehicles.

TECHNICAL PARAMETERS: (Version 1.45)

 SAYOON Product Type

 CZQH300A-2T

 Contact form  Convert the two groups (DPDT)
 Coil Rated voltage (DC V)  6V,12V,24V,36V,48V,60V,72V,84V,120V,150V,220V etc.
 Contact voltage (DC V)  ≤80V
 Rated load current of contact 48V circuit (DC-1)  300A
 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)  30ms
 Pull-in time (n/o contacts to close)  6ms
 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  1500A/5ms at 48V/DC
 Coil power (W)  30-50
 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 or Intermittent
 Contact material  Ag alloy
 Load terminal type  M8 Screw
 Coil terminal type  M4 Screw
 Testing organization certification  CE,FCC


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

  • CZQH300A-2T
  • CZQH300A-2T

INSTALLATION DIAGRAM

CZQH300A-2T

WIRING DIAGRAM

CZQH300A-2T

TEMPERATURE CURVE

CZQH300A-2T

MECHANICAL ABILITY and USE of the ENVIRONMENT

Contact lead M8 tightening torque (N.m)  ≯9.0 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

 CZQH300A-2T

 U.N.W.  3207g
 Package QTY.  10 PCS
 Mounting bracket type  
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 CZQH300A-2T/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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+86 130 5791 2357
Email
sayoon@sayoon.com