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50A DC Reversing Contactor, 2 Pole, 12V/24V/48V

50A DC Reversing Contactor, 2 Pole, 12V/24V/48V
50A DC Reversing Contactor, 2 Pole, 12V/24V/48V
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$74.31
Ex Tax: $74.31
  • Stock: In Stock
  • Model: RDDLZ-DCCON-R50
  • Weight: 1.00
  • SKU: RDDLZ-DCCON-R50

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The provided 50A DC reversing contactor with 2NO and 2NC contact type, coil voltage available in 12 volt, 24 volt, 48 volt. It is used to change the direction of rotation in direct current motors, start them gently and to monitor their load. Widely used in auto electric winch, telecommunication equiment, engineering machinery and other electric control system.

Specifications

BasicsModelRDDLZ-ADC50
Body Size81*52*76 mm
Weight410 g
Technical ParametersCoil Rated Voltage12V/24V/48V
Contact Circuit Rated Load Current50A
Contact Rated Load Voltage12V~60V DC
Contact Form2NO and 2NC
Starting Current≤4 A
Overload Current≤8 le
Coil Power≤8 W
Main Contact Voltage Drop at 50A Load≤80 mV
The Allowed Range of Coil Voltage±20%
Pull-In Time (N/O Contacts to Open)≤20 ms
Drop-Out Time (N/O Contact to Close)≤10 ms
Insulation Resistance≥50 MΩ
Dielectric Withstanding Voltage50Hz/60Hz 1500VAC/Min
Electric LifeContinuous 30000 times
Mechanical Life300 thousand times
EnvironmentOperating Temperature-40℃~85℃
Operating Humidity5~95% RH

DC Reversing Contactor Circuit Diagram

Installation Diagram (Unit: mm)

Details

Tips: Short circuit of the contactor, how to solve?

Possible causes of the fault:

  • The contactor works in the environment of damp, dust, steam, or corrosive gases.
  • The arc chute damages or falls, load short leads to the contact short of the contactor.
  • Incorrect operation of the positive and reverse contactor, as well as unreliable interlocking, make two contactors to pull in at a same time when reversing.

Maintenance method:

  1. Improve the working environment and keep clean.
  2. Match an arc-extinguishing equipment again.
  3. Handle the load short failure.
  4. Recheck the contactor's interlocking circuit, change the operation mode.

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