EV30ADXL 30A High Voltage DC Relay Contactor EV30ADXL 30A High Voltage DC Relay Contactor
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EV30ADXL 30A High Voltage DC Relay Contactor EV30ADXL 30A High Voltage DC Relay Contactor
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EV30ADXL 30A High Voltage DC Relay Contactor
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Home Automation & Control DC Contactors EV30ADXL 30A High Voltage DC Relay Contactor
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EV30ADXL 30A High Voltage DC Relay Contactor

Electricity Type:DC
Brand Name:NewTrend or OEM
Place of Origin:China
Model Number:EV30ADXL
Phase:1
Main Circuit Rating Current:30A
Contact Voltage Rating:12 – 1000V DC
Coil Voltage:12V DC, 24V DC
Rated Current:30A
Contact Form:Normally open or Normally closed
Number of Pole
Main Circuit Rating Voltage
SKU: 1600737930013 Category: DC Contactors
  • Description
  • Additional information
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

EV30ADXL High Voltage DC Contactor has the advantages that the utility model is provided with one normally open or one normally closed contact, which is suitable for new energy electric vehicles, charging facilities, photovoltaic, wind power generation systems, automotive air conditioning, communication power, UPS, power and other electrical control circuit of the switch control.

 

Technical Parameters:

Product Type

 EV30ADXL

 Contact form  1 NO(SPST-NO) or 1NC(SPST-NC)
 Coil Rated voltage(DC V)  6V,12V,24V,36V,48V,60V,72V,84V,120V,150V etc.
 Contact voltage(DC V)  5-1000V
 Contact circuit rated load current (DC-1)  30A
 Typical voltage drop across contacts per 30A  <80mV
 the cooling pull-in voltage at (20±5)℃ (V)  <70%
 the cooling drop-out voltage at (20±5)℃(V)  <35%,<5%
 Working voltage range of 40 degrees celsius coil  0.8-1.2Us
 Drop-out time(n/o contacts to open)  20ms
 Pull-in time (n/o contacts to close)  10ms
 connect the maximum contact bounce time  10ms
 Disconnect the maximum contact bounce time  7ms
 Insulation Resistance  100MΩ
 Electric strength to resist  50Hz/60Hz 2200VAC 1minute
 Typical fault currents which can be ruptured  400A/5ms at 48V DC
 Coil power (W)  2-7
 Temperature rise of coil (K)  ≤35
 Temperature rise on outgoing terminal (K)  ≤65
 Electric life  20000 times
 Mechanical life  300 thousand times
 Work specification  Continuous
 Contact material  Alloy
 Inrush time(Max)  130ms
 Maximum switching current  300A 320VDC(More than 1 times)
 Maximum switching power  100kW
 Load terminal type  M5 Rose
 Coil terminal type  0.3 square silicone wire, 390mm long
 Testing organization certification  CE,FCC,RoHS

 

 

 Use of Enviroment:

Contact lead M5 tightening torque(N.m)  <2.5 appropriate
 Coil lead mode  Wire dipping tin
 Ambient temperature  -40~+85℃
 Relative humidity  +20℃ 98%
 Vibration freq. atthe fixed position  3G, 1~50Hz amplitude 0.5mm
 concussion  (60~100) time/minute,Acceleration≤4g
 Altitude  2000m
 Installation direction  Random
 International Protection  IP68

 

Wiring Diagram:

 

 

Installation Diagram:

Additional information
Weight 2 kg
Dimensions 25 × 25 × 25 cm
Number of Pole

1

Main Circuit Rating Voltage

12Vdc or 24Vdc

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for EV30ADXL 30A High Voltage DC Relay Contactor.

📥
Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
Request Official Datasheet (PDF)
📐
2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Request CAD Model
Certified Standards: IEC 60898-1, IEC 60947-2, CE, RoHS, ISO 9001:2015
Manufacturer: Shanghai Newtrend Electric Co., Ltd. (Global Export Compliance)
Engineering Support: 24-hour response for custom voltage ratings, auxiliary contacts, and technical consulting.
Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

AC-1 / AC-3 Duty

How to calculate contactor rating based on motor power and utilization categories (AC-1 vs AC-3 vs AC-4)?

A

AC-3 rating applies to standard squirrel-cage motor starting and stopping during normal run (starting current 5–7x In). For non-inductive or purely resistive heating loads, use the higher AC-1 rating. For severe inching, jogging, and plugging applications (AC-4 duty), derate the contactor or upsize by 1 to 2 frame sizes to prevent contact erosion.

Coil Voltage Selection

How to choose the correct control coil voltage, frequency, and electronic wide-voltage options?

A

Standard AC coils include 24V, 48V, 110V, 220V/230V, 380V at 50/60Hz. For DC control loops or PLC outputs, specify DC coils or electronic wide-range AC/DC coils (e.g. 100V–250V AC/DC) which feature built-in surge suppression, low holding power consumption, and immunity to voltage dips.

Overload Coordination

How to size and coordinate the matching thermal overload relay (TOR) for Type 2 protection?

A

Select a thermal overload relay whose current setting range straddles the motor full-load current (FLA). Set the dial precisely to 1.0x motor nameplate FLA. For IEC 60947-4-1 Type 2 coordination, pair the contactor and relay with backed-up upstream fuses or fast-acting MCB/MCCB to prevent welding under fault conditions.

Auxiliary & Interlocks

What auxiliary contact blocks and mechanical interlocks can be added for motor reversing?

A

Units feature built-in 1NO or 1NC auxiliary contacts, expandable with top-mounted 2-pole or 4-pole auxiliary contact blocks (F4 / AX) and pneumatic timer delay blocks. For forward/reverse motor starters or star-delta starter assemblies, add side-mounted mechanical interlock units (MI) with electrical interlocking.

Ambient & Altitude Derating

How do ambient temperature and installation altitude affect contactor performance?

A

Standard ratings are calibrated for -5°C to +40°C. For ambient temperatures exceeding 55°C or altitudes above 2000m (where reduced air density diminishes heat dissipation and dielectric insulation), derate operational current by 2% per 100m above 2000m and verify insulation voltage limits per IEC standards.

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