250A DC Contactor, 12V/24V/48V

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$80.11

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Stock: In Stock
Model: RDDLZ-DCCON-C250
Weight: 1.00
SKU: RDDLZ-DCCON-C250

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Coil Voltage(V)

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250A DC contactor comes with a normally open contact form, IP67 waterproof rating, CE and RoHS certificates, high performance, and low power consumption. 12V/24V/36V/48V/60V/72V coil voltage can be selected.

Features

The DC contactor supports a short-term 250A load, features one normally open contact, and has a coil power consumption of ≤22W.
It provides an insulation resistance of 100MΩ (1000VDC), a dielectric strength of 2kV between contacts and coil, and an IP67 protection rating.
250A DC contactor complies with IEC 60664-1, GB/T14048.1, and GB/T14048.4 standards, meets RoHS (2015/863/EU) and REACH (1907/2006/EC) requirements, and is CE certified.

Specifications

Model		RDDLZ-ADD-250I
Performance Parameter (at 23℃)
Contact Arrangement		1K(1NO)
Contact Resistance		≤5mΩ
Contact Voltage Drop		≤80mV (at 150A)
Overload Current		≤7le,>1s
Temperature		-40℃~55℃
Load Terminal		M8 External Thread
Vibration		3.5g,10~200Hz,1/2 Sine Wave (Power On)
Relative Humidity		5%~95%RH
Dimension		76.8x70.6x68.5mm
Operating Duty		Intermittent
Electrical Durability with Load (Resistive)		≥50,000 times(24V/300A)
Load Wiring Torque		8-10N.m
Pickup Voltage		70%Us
Dropout Voltage		5%-40%Us
Contact Bounce Period		≤5ms
Pickup Time		≤30ms
Dropout Time		≤30ms
Dielectric Strength	Between Main Contacts	50Hz/60Hz 1500V AC/1min
	Between Main Contacts and Coil	50Hz/60Hz 1500V AC/1min
Insulation Resistance	Initial State	100MΩ 1min
	After Electrical Life	50MΩ 1min
Shock	Stability	20g(Power On)
	Strength	50g
Mechanical Durability		≥500,000 times
Coil Wiring Torque		2-3N.m

Coil Parameter

Coil Voltage	Pickup Voltage (VDC)	Dropout Voltage (VDC)	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%

Dimensions (Unit: mm)

Side Cambered Installation

Side Flat Mounting

Vertical Bottom Mounting

Wiring Diagram

Applications

RDDLZ 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: When should I choose a low-current DC contactor and when a high-current model?

You should choose a DC contactor based on your system maximum operating current

Low current DC contactors for example 40A are suitable for low to medium current applications such as battery management modules UPS auxiliary circuits or solar storage system branch circuits. They offer smaller size lower cost and lower coil power consumption.
High current contactors for example 150A or more are required for high current applications such as electric vehicle main battery circuits large energy storage systems or industrial DC power supplies. They can handle startup surges short term overloads and heavy loads safely.

Rule of thumb is to always select a contactor rated slightly above the system maximum continuous current to ensure safe and reliable operation.

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