Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
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Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
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Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
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Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor
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Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing Contactor

Electricity Type:DC
Brand Name:Newtrend or OEM
Place of Origin:China
Model Number:DC66P
Phase:1
Main Circuit Rating Current:200A
Number of Pole
Main Circuit Rating Voltage
SKU: 1700002409122 Category: Others
  • Description
  • Additional information
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

Albright equivalent 24V DC 50A Reversing Contactor DC66-3P DC66-10P DC66-14P DC66-15P DC66-38P Motor Reversing Switch Solenoids

 

W50-T-P-DE (DC66P), W100-T-P-DE (DC88P) DC Contactors has been designed for direct current DC loads, particularly motors used on electric winches and electric vehicles.

    – Motor Reversing DC Contactor

     – Coil Voltage: 12Vdc or 24Vdc

    – Paired Single Pole Double Throw (Double Pole, Changeover Contacts)

    – Ideal for Marine Applications, such as, Bow Thrusters, Windless and Winches.

 

Model

W50-T-P-DE

(DC66P)

W100-T-P-DE

(DC88P)

Photo  
Coil Voltage 12VDC, 24VDC, 48VDC, 72VDC etc
Rated Voltage of Contact Circuit ≤48VDC
Rated Continous Current 50A 100A
Rated Intermittent Current 200A 400A
Dielectric Voltage Strength 50Hz 1000V AC 1min
Volt Drop of Main Contact < 100mV
Mechanical life 100 thousand times
Electric life Continous 20 thousand times, Intermittent 2 thousand times
Contact Form

Double Pole, Changeover Contacts

(Paired Single Pole Double Throw)

Coil Power 25-27W 29-31W
Typical Pull-In Time
(N/O Contacts to Close)
<30ms
Typical Drop-Out Time
(N/O Contacts to Open)
<50ms
Pull-In Voltage (Coil at 20℃)  <75%Us
Drop-Out Voltage (Coil at 20℃)  5% – 40%
Main stud terminals M8
Feature Waterproof, Heavy load for various Winches, Windless, etc
Wiring Diagram  

 

DC66P Installation Diagram:

 

DC88P Installation Diagram:

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

1

Main Circuit Rating Voltage

12V, 24V

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for Albright Equivalent DC66-3P/10P/14P 24VDC 50A Reversing 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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