20A High Voltage DC Contactor, 12V/24V/48V Coil Voltage

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$99.46

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Stock: In Stock
Model: RDDLZ-DCCON-20
Weight: 1.00
SKU: RDDLZ-DCCON-20

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RDDLZ DC contactor is specially designed to meet the requirements of high voltage DC switching applications. This DC power contactor is available with 12V/24V/48V/60V/72V coil voltage, NO contact form, 20A rated load current of contact circuit, and 750V DC maximum switching voltage.

Features

20A DC contactor uses ceramic brazing technology and is filled with hydrogen-based gas at the contact area, which prevents oxidation and burning, ensures low and stable contact resistance, and provides IP67 protection.
It offers reliable performance with long-term current carrying capacity, high insulation resistance up to 100MΩ (1000VDC), and withstand voltage of 4kV between contact and coil.
The high voltage DC contactor complies with IEC 60664-1, GB/T14048.1, GB/T14048.4, RoHS (2015/863/EU), REACH (1907/2006/EC), and holds safety certifications such as CE and RoHS.

Specifications

Model		RDDLZ-ADE-20
Main Contact Specification
Contact Arrangement		1K (1NO)
Contact Polarity		Non-polarity
Contact Resistance		≤0.5mΩ (at 20A)
Max. Switching Voltage		750V DC
Max. Breaking Current		200A (450V DC) 1 Ops
Electrical Endurance (Resistive Load)		100,000 Ops (450V DC, 20A)
		75,000 Ops (750V DC, 20A)
Mechanical Endurance		200,000 Ops
Withstand Current		20A, Continuous
		30A, 1h
		40A, 20min
		80A, 30s
		120A, 10s
		200A, 0.6s
Performance Parameter (at 23℃)
Pickup Voltage		≤75%Us
Dropout Voltage		≥8%Us
Pickup Time		≤30ms
Contact Bounce Period		≤5ms
Dropout Time		≤10ms
Dielectric Strength	Between Main Contacts	3,000V DC 1min
	Between Main Contact and Coil	4,000V DC 1min
Insulation Resistance	Initial State	100MΩ 1min
	After Electrical Life	50MΩ 1min
Shock	Stability	20g (Power On)
	Strength	50g
Vibration		5g, 10~500Hz, 1/2 Sine Wave (Power On)
Relative Humidity		5%~85%RH
Temperature		-40℃~85℃
Load Terminal		QC Terminal
Weight		About 150g
Dimension		78x39.6x46.1mm

Coil Parameter

Coil Voltage	Pickup Voltage (VDC)	Dropout Voltage (VDC)	Coil Resistance	Coil Power Consumption
12V	≤75%Us	≥8%Us	48Ω±10%	3W±10%
24V	≤75%Us	≥8%Us	192Ω±10%	3W±10%
48V	≤75%Us	≥8%Us	761Ω±10%	3W±10%
60V	≤75%Us	≥8%Us	1200Ω±10%	3W±10%
72V	≤75%Us	≥8%Us	1728Ω±10%	3W±10%

Dimensions (Unit: mm)

Wiring Diagram

Applications

High voltage DC contactors are widely applied in electric vehicles (EVs), renewable energy systems (solar and wind), energy storage systems (ESS), DC charging stations, uninterruptible power supplies (UPS), and industrial equipment that requires safe and reliable DC switching.

Tips: What is the coil voltage of a DC contactor?

The coil voltage of a DC contactor is the rated DC voltage required to energize its electromagnetic coil and close or open the contacts. Common coil voltages include 12V DC, 24V DC, 48V DC, 60V DC, and sometimes up to 110V DC or 220V DC, depending on the application.

For example:

12V/24V DC coils are widely used in automotive, marine, and battery systems.
48V/60V DC coils are common in renewable energy and industrial battery setups.
110V/220V DC coils are used in specialized industrial equipment

The exact coil voltage must be chosen to match the control circuit supply; using the wrong voltage may result in the contactor failing to operate or being damaged.

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