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90-240VAC

90-240VAC

Output Voltage

PT-112U

Triac Wall Mount Touch Panel Dimmer

Dimension(mm)

Installation Guide

Wiring Diagram

<1A

-20-60

181g

1 channels
L120XW74XH43mm

<3W

<110W(110VAC), <220W(220VAC)

Supply voltage

Net weight

Working temperature

Gross weight

240g

External dimension

Output channel

Packing size

Output Power
Static power

Output current

Trailing-edge dimming

Dimming mode

Technical Parameters

Function Description

1/1

User’s manual:  2019-9

www.euchips.com

The contents of this manual are updated without prior notice. If the function of the product you are using is inconsistent with the instructions, the function of the product shall prevail.Please contact us if you have any questions.

L145

X

W99

X

H53mm

Touch this slider by your finger to adjust the brightness.

1. Connect wire according to typical 
application. Refer to typical application 

2. Gently pry gaps in touch panel with a screwdriver, and then you can slowly remove the
panel, as shown below:

3. Mount the controller on the cassette in the wall after connecting the wire, and then nail
the screw, fix it on the wall, finally you can install the switch pedestal on the wall.

4. Buckle the glass panel to the bottom 
box in the right direction 

Remarks:

1. Connect the load wire at first, then connect the power wire; Please ensure short circuit
can not occur between connecting wire before you turn on the power.
2. Power supply voltage range is 90-240VAC, more than voltage range maybe will burnout
the controller.

Turn on/off this controller at any state; when the dimmer is turned on, long press

the key for 3 seconds, you can turn on/off buzzer.

Brightness reduce key. Brightness reduces 1 with each short press. With long press, 

it could reduce brightness quickly until the darkest.

Brightness increase key. Brightness increase 1 with each short press. With long 

press, it could increase brightness quickly until the brightest.

42mm

4mm

74mm

120mm

70mm

8mm

43mm

13mm

AC 90-240V

Triac Dimming 

LED Driver

Panel

Light

INPUT

Two terminals, L and N, Current 1A

OUTPUT

Two terminals, L and N, Current 1A

Interface Definition

L

N

L

N

INPUT

OUTPUT

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