300A DC Reversing Contactor, 2 pole, 12V/24V/48V

300A DC Reversing Contactor, 2 pole, 12V/24V/48V

2 pole DC reversing contactor with 2NO and 2NC contact form, 300 amps rated load current of contact circuit, coil rated voltage with 12V/24V/48V DC for selection. This DC reversing contactor is used to control the direction of current flow in a direct current circuit, allowing for the reversal of the motor or other load.

SKU: CCHN-DCCON-R300

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Delivery date: 6-25 days

Overview

300A DC reversing contactor is an electromechanical device typically used in applications where the direction of a DC motor needs to be changed, such as in electric vehicles, conveyor systems, or other machinery that requires forward and reverse operation.

Specification

Model		CCHN-ADC300-I
Coil Rated Voltage (Optional)		12V/24V/48V
Rated Current		12A
Contact Form (Optional)		2NO, 2NC
Pole		2 Pole
Contact Resistance		≤30mΩ
Contact Voltage Drop		≤80mV (at 80A)
Insulation Resistance		≥50mΩ
Overload Current		≤4le, ＞1s
Pull-in Voltage		≤70%Us
Release Voltage		5%-40%Us
Load Terminal Type		M6 External Thread
Working Style		short term
Load Endurance (Resistive) α		≥20000 Times
Load Wiring Torque		3-6N.m
Coil Wiring Torque		0.5-0.8N.m
Vibration		3.5g, 10~200Hz, 1/2 Sine Wave (Energized)
Temperature		-40℃~85℃
Humidity		5%~95%RH
Contact Bounce Time		≤5ms
Pick-up Time		≤30ms
Release Time		≤30ms
Medium Pressure Resistance	Between Main Contact	50Hz/60Hz, 1500VAC/1min
	Between Main Contact and Coil	50Hz/60Hz, 1500VAC/1min
Insulation Resistance	Initial State	100mΩ, 1min
	After Electrical Life	50mΩ, 1min
Impact	Stability	20g (power on)
	Strength	50g
Mechanical Durability		≥1000000 Times
Dimension		86mm5Imm78mm

Coil Parameter

Coil Voltage	Pull-in Voltage	Release Voltage	Coil Resistance	Coil Power Consumption
12V	≤70%Us	5%-40%Us	6Ω±10%	24W±10%
24V	≤70%Us	5%-40%Us	24Ω±10%	24W±10%
36V	≤70%Us	5%-40%Us	54Ω±10%	24W±10%
48V	≤70%Us	5%-40%Us	96Ω±10%	24W±10%
60V	≤70%Us	5%-40%Us	150Ω±10%	24W±10%
72V	≤70%Us	5%-40%Us	216Ω±10%	24W±10%

Dimension (Unit: mm)

300A DC reversing contactor dimension

Wiring Diagram

300A DC reversing contactor wiring diagram

Applications

DC reversing contactor applications

Tips: What are the control methods of DC reversing contactor?

The control methods of DC commutation contactors mainly include the following. These control methods make DC commutation contactors flexible and adaptable in various application scenarios.

Manual control: Direct operation of the contactor via a mechanical switch or push button. This method is suitable for simple situations and is intuitive to operate, but it is not suitable for complex or automated needs.
Electrical control: Use an electromagnetic coil to control the on and off of the contactor, activate the coil through a low voltage signal, and change the state of the contactor. This method is commonly used in remote or automated control systems.
PLC control: Control signals are sent through a programmable logic controller (PLC) to achieve precise control of the contactor. It is suitable for complex automation systems and provides programming flexibility and high integration.
Wireless control: Use wireless communication technology (such as Wi-Fi, Bluetooth) to achieve remote control, suitable for situations where long distances are required or wiring is difficult.
Intelligent control: Combined with sensors and control algorithms, it automatically adjusts the contactor status to improve system response speed and efficiency. It is often used in intelligent industrial applications.