where is the on-off switch?

The on-off is incorporated into the speed dial. Turn it and it clicks "on" and turn it further the speed will go up. Turn it the other direction and the speed will reduce and turned further will switch off.

Is there a replacement battery available and if so at what price?

This model don't use any batteries. You must have a special adapter (also from Proxxon) from 220 or 120 V to 12 V.

Can I use a universal 12V adaptor or I have to buy Proxxon brand? Is any power supply included?

I have not experimented with other power supplies, I can tell you the Proxxon power supply is 12 volt DC / 2 amp output.I can't tell you how much of that 2 amps the rotary tool uses under normal use. The label on my model 50E rotary tool states 18 volts DC max. and 40 watt power max.Other than being lighter and easier to handle for delicate work, a Dremel tool is what I use most of the time.

Is power supply is sold separately ?

Yes, you will need to purchase a Proxxon power supply. Either a 38706 Proxxon NG 2/S or 38704 Proxxon NG 5/E. You must use a Proxxon brand power supply otherwise the speed control not work.

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28512 12-Volt Micromot 50 EF Rotary Tool

Product ID: 334793030

Details

Brand
PROXXON
Voltage
12 Volts
Power Source
Corded
Recommended Uses For Product
Engraving
Colour
Green

⚡12V low-voltage power for safety

🔄5,000-20,000 RPM variable speed range

🛠️Ultra-light 230g ergonomic design

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6915877₫

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Description

⚡ Master every detail with power and precision in your palm!

COMPACT YET MIGHTY - Lightweight 230g tool that fits perfectly in your creative workflow
VERSATILE POWERHOUSE - Handles milling, engraving, polishing & more on any material
WHISPER QUIET EFFICIENCY - Vibration-free permanent magnet motor for fatigue-free use
EXTENDED RUNTIME CONFIDENCE - Built-in cooling system supports long, uninterrupted projects
PRECISION AT YOUR FINGERTIPS - Pen-style 35mm diameter for ultimate control and comfort

The Proxxon 28512 Micromot 50 EF is a compact, lightweight 12V rotary tool delivering variable speeds from 5,000 to 20,000 RPM. Designed ergonomically with a pen-style grip and vibration-free motor, it excels in precision tasks like engraving, milling, and polishing across diverse materials. Its efficient cooling system ensures extended use, making it the go-to tool for professionals and hobbyists demanding accuracy and comfort.

Specifications

Brand	PROXXON
Voltage	12 Volts
Power Source	Corded
Recommended Uses For Product	Engraving, Cutting, Grinding, Polishing
Colour	Green
Special Feature	Compact, Portable
Included Components	bare-tool
Item Weight	0.79 Pounds
Maximum Rotational Speed	20000 RPM
Number of Batteries	1 Unknown batteries required.
Style	12-volt
Item dimensions L x W x H	29 x 16.5 x 4 Centimeters
Minimum Speed	5000 RPM
UPC	785533786873
Global Trade Identification Number	04006274285125
Manufacturer	Proxxon
Country of Origin	USA
Language	German
Item model number	28512
Product Dimensions	29.01 x 16.51 x 3.99 cm; 358.34 g
ASIN	B000S5KO3K

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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6915877₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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