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150A DC Contactor, 12V/24V/48V

150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
150A DC Contactor, 12V/24V/48V
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$73.84
Ex Tax: $73.84
  • Stock: In Stock
  • Model: KOLAUT-DCCON-C150
  • Weight: 1.00
  • SKU: KOLAUT-DCCON-C150

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Quality DC contactor provides a short-term 150A load, 12V/24V/36V/48V/60V/72V coil voltage, and normally open contact form, designed for applications, such as hydraulic power units, electric forklifts, and electric haul trucks etc.

Features

  • The DC contactor supports a short-term 150A 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.
  • 150A 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

ModelKOLAUT-ADD-150I
Performance Parameter (at 23℃)
Contact Arrangement1K(1NO)
Contact Resistance≤5mΩ
Contact Voltage Drop≤80mV (at 80A)
Overload Current≤7le,>1s
Temperature-40℃~55℃
Load TerminalM6 External Thread
Vibration3.5g,10~200Hz,1/2 Sine Wave (Power On)
Relative Humidity5%~95%RH
Dimension62.5x61x67.8mm
Operating DutyIntermittent
Electrical Durability with Load (Resistive)≥50,000 times(48V/150A)
Load Wiring Torque6-8N.m
Pickup Voltage70%Us
Dropout Voltage5%-40%Us
Contact Bounce Period≤5ms
Pickup Time≤20ms
Dropout Time≤10ms
Dielectric StrengthBetween Main Contacts50Hz/60Hz 1500V AC/1min
Between Main Contacts and Coil50Hz/60Hz 1500V AC/1min
Insulation ResistanceInitial State100MΩ 1min
After Electrical Life50MΩ 1min
ShockStability20g(Power On)
Strength50g
Mechanical Durability≥100,000 times
Coil Wiring Torque1.2-2.0N.m


Coil Parameter

Coil VoltagePickup Voltage (VDC)Dropout Voltage (VDC)Coil ResistanceCoil Power Consumption
12V≤70%Us5-40%Us6Ω±10%24W±10%
24V≤70%Us5-40%Us24Ω±10%24W±10%
36v≤70%Us5-40%Us54Ω±10%24W±10%
48V≤70%Us5-40%Us96Ω±10%24W±10%
60V≤70%Us5-40%Us150Ω±10%24W±10%
72V≤70%Us5-40%Us216Ω±10%24W±10%


Dimensions (Unit: mm)

Side Cambered Installation

Side Flat Mounting

Vertical Bottom Mounting

Wiring Diagram

Applications

KOLAUT 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: Can relays replace DC contactors?

Relays generally cannot replace DC contactors in high-voltage or high-current DC circuits.

  • Current & Voltage: Relays handle low currents and low voltage; DC contactors handle high currents and high voltage safely.
  • Arcing: DC contactors are designed to extinguish arcs in DC circuits; relays usually are not.
  • Durability: DC contactors have longer mechanical and electrical life under heavy DC load.
  • Safety: Using a relay instead of a DC contactor can cause contact welding or failure.

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