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LMQ2Y Series Automatic Transfer Switch CB Class

Model Name: LMQ2Y

Rated Voltage: AC400V

Rated Current: 100A~800A

Pole: 3P,4P

Product Category: CB Class

Drive Mode: Motor Type

Certification: CE,CB,CCC

Standard: IEC 60947-6-1

Email: sale@lvma-ele.com

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LMQ2Y series double power supply belongs to CB class product. There are LMQ2Y-100, LMQ2Y-400 and other models. It can control the three-phase voltage, and has the functions of short circuit protection, overload protection and intelligent alarm. The products meet the standards of CCC, GB/T14048.11, IEC60947.6.1.

Model Description

LMQ2Y Series PC Automatic Transfer Switch 01

Main Technical Parameters

Product Name

LMQ2Y

Rated Current

100/225

400

630/800

Rated working voltage

AC400V

Over-voltage transfer setting value

AC 200-300V(adjustable)

Under-voltage transfer setting value

AC 200-300V(adjustable)

Contacts conversion time

<4s

Disconnect delay

0.5s-30s continuous adjustable

Closing delay

0.5-30s continuous adjustable

Mechanical life

5000

3000

2500

Electrical life

1000

1000

500

Controller functions

Controller

Y Type Controller

YW2 Type Controller

YW3 Type controller

Working power supply

AC 160-250V 50/60Hz

DC 12V(Provided by the inside of Y type controller)

Installation

Integral type

Split type

Position

3 Positions

Mode of operation

Auto,manual and electro-manual operation

Voltage monitoring function

3 phase over-voltage,under-voltage and phase loss monitoring

Frequency monitoring function

Frequency monitoring

Generator control

A set of 3A relay dry contact

Display

LED display

LCD display

Conversion time delay

0.5s-60s continuous adjustable

Return time delay

0.5s-60s continuous adjustable

Structure and Mounting Dimensions

LMQ2Y Series PC Automatic Transfer Switch 01

Product dimensions

A D B C H1 H2
3P 4P 3P 4P
LMQ2Y-63 380 405 250 340 365 230 <160 25
LMQ2Y-100 405 435 250 365 395 230 <170 25
LMQ2Y-225 450 480 250 410 440 230 <190 25
LMQ2Y-400 570 620 330 510 560 300 <200 25
LMQ2Y-630 680 740 330 620 680 300 <250 25
LMQ2Y-800 750 820 330 690 760 300 <250 25

FAQ

Q 1: How to ensure high reliability of dual power supply system?
A 1: Use high-quality, certified equipment and materials.
Maintain and update hardware regularly to prevent aging problems.

Q2: What is the difference between a dual power supply system and a uninterruptible power supply?
A2: UPS is part of a dual power system and usually provides temporary power as a backup power source.
Dual power systems can include UPS and other backup power sources (such as generators or batteries) .

Q3: How to configure dual power supply system?
Determine the type of backup power and power requirements.
A3: Set the optimal switching logic (E. G. Time, voltage) between standby power and main power.
Ensure that the equipment can identify and prioritize the use of standby power.

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