My old controller is a harrier international model ca-2 with input of 120 v ac and output of 3.6v dc. will this controller work?

I'm not familiar with the Harrier unit you described, but based on your description of it having an output of 3.6 V DC the answer is that it is NOT compatible. This unit has input from the AC power line, and simply cuts the line voltage in steps to dim an incandescent lamp. For illustration only, the steps might be ON (output full line voltage); Dim 1 (3/4 line voltage); Half-dim (output 1/2 line voltage); Dimmest (1/4 line voltage) and Off (0 line voltage.) Govwn the standard North American line voltage of 120 V, the lowest non-zero voltage from this unit might be 30 V, far more than what you need.

My old sensor was 100w does it matter that this is 150w?

Not at all in-fact it is better, all that means is you can use up to 150 watt bulbs, and your old sensor could only use 100 watt bulbs. Thanks for asking!

Is that ring terminal 1/2"?

I don’t remember but I didn’t have a problem installing it to the base of a standard light socket. It fit correctly.

Can it be used with led bulbs?

You want 3-way LED bulbs versus dimmable bulbs. Meaning 30,70,100 watt or 50,100,150 watt. With dimmable bulbs, you just get a slight brightness variation, with specific 3 way bulbs, you get 3 distinct light settings.

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3 Way Touch Sensor dimmer, Touch lamp Repair kit Control Module, Replacement Sensor, Touch Switch, 150Watt.

Product ID: 124946577

Details

Base Material
Metal
Bulb Base
E26
Finish Type
Matte
Item Weight
0.07 Pounds
Product Dimensions
1.4"D x 2"W x

⚡150W max power

🔄3-way touch dimming sequence

🛠️20% smaller for easy install

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A$21

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Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💡 Upgrade your lamp game with a touch—because your space deserves smart simplicity!

COMPACT POWERHOUSE - 20% smaller sensor design fits effortlessly into existing lamps, making upgrades sleek and hassle-free.
PRO GRADE RELIABILITY - UL certified and trusted by industry pros for over 30 years—quality you can count on every time.
UNIVERSAL COMPATIBILITY - Works flawlessly with LED, incandescent, one-way, and three-way bulbs—future-proof your lighting setup.
EFFORTLESS 3 WAY CONTROL - Seamlessly toggle between LO-MED-HI-OFF with a simple touch—perfect for mood-setting in any space.
DIY FRIENDLY INSTALLATION - Includes clear wiring diagram and wire nuts for a quick, no-fuss setup—save time and avoid costly replacements.

The ESC 3 Way Touch Sensor Dimmer is a UL-certified, compact replacement module designed for easy DIY installation. Supporting up to 150 watts, it offers a smooth 3-way dimming sequence compatible with LED and incandescent bulbs. Trusted by professionals and backed by a 30-day guarantee, this sensor kit saves you time and money by eliminating the need for full lamp replacements.

Specifications

ASIN	B07QF1B9GR
Additional Features	3-Way, touch_switch
Base Material	Metal
Best Sellers Rank	#23,607 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #55 in Dimmer Switches
Brand Name	ESC
Bulb Base	E26
Bulb Shape Size	E23 1/2
Color	Black, White
Connectivity Technology	IR
Control Method	Touch
Controller Type	Touch Sensor
Customer Reviews	4.3 4.3 out of 5 stars (5,695)
Finish Types	Matte
Included Components	Dimmer
Indoor Outdoor Usage	Indoor
Installation Type	Wired
Is Product Cordless	Yes
Is Waterproof	False
Item Dimensions D x W x H	1.4"D x 2"W x 0.5"H
Item Weight	0.07 Pounds
Lamp Type	Incandescent
Light Source Type	LED
Lighting Method	Multiple (LED, Incandescent)
Manufacturer	ESC
Material Type	Metal
Model Number	MKTBA
Mounting Type	Surface mount
Number of Items	1
Number of Light Sources	1
Number of Pieces	1
Power Source	Corded Electric
Recommended Uses For Product	Reading
Room Type	Bedroom
Shade Color	White or Black
Shade Material	Metal
Specific Uses For Product	Lamp Control
Style Name	Minimalist
Switch Type	Touch
UPC	618028463020
Unit Count	1.0 Count
Water Resistance Level	Not Water Resistant
Wattage	150 watts

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