100A DC Reversing Contactor, 2 pole, 12V/24V/48V

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$126.46

Low cost reversing contacor with two interlocked contacts, to prevent the motor from running forwards and backwards simultaneously. 2 pole DC contactor with 2NO and 2NC (DPST-NO, DPST-NC) contact form, coil rated voltage with 12V/24V/48V DC for choice.

Coil Rated Voltage *

SKU: ATO-DCCON-R100

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ATO ADC100 reversing contactor is used to change the direction of rotation in alternating 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.

Features

100 amps rated load current of contact circuit.
DPST-NO, DPST-NC contact form.
12V, 24V, 48V DC coil rated voltage for selection.
Main contact voltage drop at 100A, not above 80mV.
Mechanical life up to 300 thousand times.

Specifications

Basics	Model	ATO-ADC100
	Body Size	10063101 mm
	Weight	990 g
Technical Parameters	Coil Rated Voltage	12V/24V/48V
	Rated Load Voltage	12V~60V DC
	Contact Circuit Rated Load Current	100 A
	Contact Form	2NO and 2NC
	Starting Current	≤4 A
	Overload Current	≤8 le
	Coil Power	≤8 W
	Main Contact Voltage Drop at 100A 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 Voltage	50Hz/60Hz 1500VAC/Min
	Electric Life	Continuous 30000 times
	Mechanical Life	300 thousand times
Environment	Operating Temperature	-40℃~85℃
Environment	Operating Humidity	5~95% RH

DC Reversing Contactor Circuit Diagram

Installation Diagram (Unit: mm)

Tips: DC contactor working principle

When the contactor coil powers on, the coil current generates a magnetic field, which makes the static iron core to produce magnetic adhesion and then suck the moving iron core, thus driving the movable contact to move. Normally closed contact disconnects and normally open contact closes, the two are linked. When the coil powers on, magnetic adhesion disappears, the armature releases under the effect of retracting spring, thus restoring the contact: Normally open contact disconnects while the normally closed contact closes.
DC contactor should be used in the DC power loop, such as the DC oil pump. This motor is used to guarantee the oil supply of turbine system at the time of power outage, both of its main circuit and auxiliary circuit are DC, so is the contactor.

DC Reversing Contactor for DC Motor Forward/Reverse Control
The reversing type of DC contactor has been designed for direct current loads, particularly motors as used on electric vehicles such as industrial trucks. In this video, ATO will show you how to use a DC reversing contactor for the DC motor forward and reverse control.

Electromagnetic Switches: Relays VS. Contactors

In this video we will try to clear the confusion many people have between relays and contactors by showing you how to tell the difference based on five criteria: Definition, Capacity, Structure, Contacts and Applications.

Existing reviews of 100A DC Reversing Contactor, 2 pole, 12V/24V/48V

Does the 100A version have a similar setup to the 50A version?

I ordered the following product in the subject line and was wondering if there was any documentation for wiring this specific contactor to a motor. I saw the video on the product site however that was for the 50A version, is it a similar setup for the 100A version? Please and thanks.

From: June | Date: 29/05/2022