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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Proxxon 28512 12-Volt Micromot 60 EF Rotary Tool with Quick-Action Chuck

Proxxon 28512 12-Volt Micromot 60 EF Rotary Tool with Quick-Action Chuck

Product ID: 4230942

Details

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

⚡12V low-voltage power for safety

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

🔧Quick-action keyless chuck fits 1/32"-1/8" shafts

NZ$181

Duties & taxes included

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Description

🔧 Master every detail with Proxxon’s precision powerhouse!

BUILT TO LAST - Durable glass-fiber reinforced polyamide housing with soft grip
WHISPER QUIET POWER - Balanced low-noise DC motor ensures vibration-free, smooth operation
PRECISION IN YOUR PALM - Slim 35mm diameter design for ergonomic, fatigue-free handling
EXTENDED RUNTIME CONFIDENCE - Efficient cooling system supports long, uninterrupted projects
VERSATILE CHUCK COMPATIBILITY - Accepts multiple shaft sizes for ultimate tool flexibility

The Proxxon 28512 Micromot 60 EF is a lightweight, ergonomically designed 12V rotary tool featuring a quick-action keyless chuck compatible with 1/32" to 1/8" shafts. It offers variable speeds from 5,000 to 20,000 RPM powered by a balanced, low-noise DC motor with high durability. Its glass-fiber reinforced polyamide housing and efficient cooling system enable extended use, making it ideal for professionals and hobbyists requiring precision milling, engraving, polishing, and more.

Specifications

ASIN	B000S5KO3K
Best Sellers Rank	#564,276 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #548 in Power Rotary Tools
Brand	PROXXON
Brand Name	PROXXON
Color	Green
Customer Reviews	4.5 out of 5 stars 725 Reviews
Global Trade Identification Number	04006274285125
Included Components	bare-tool
Item Dimensions	11.42 x 6.5 x 1.57 inches
Item Type Name	Rotary Tool MICROMOT 50 EF, 12 volt
Item Weight	0.79 Pounds
Manufacturer	Proxxon
Manufacturer Part Number	28512
Manufacturer Warranty Description	Limited Warranty of PROXXON Power Tools for home and hobby use. PROXXON Inc. warrants to the original purchaser only that all PROXXON consumer power tools will be free from defects in material or workmanship for a period of two years from the date of purchase. Seller's sole obligation and your exclusive remedy under this limited warranty and, to the extent permitted by law, any warranty or conditi…
Maximum Rotational Speed	20000 RPM
Minimum Speed	5000 RPM
Model Number	28512
Number of Batteries	1 Unknown batteries required.
Other Special Features of the Product	Keyless Chuck, Lightweight, Variable Speed
Power Source	Corded Electric
Recommended Uses For Product	Engraving, Cutting, Grinding, Polishing
Special Feature	Keyless Chuck , Lightweight, Variable Speed
Style Name	Green
UPC	785533786873
Voltage	12 Volts

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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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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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NZ$181

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered 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 New Zealand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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