can this be used on a 120 volt power supply that feeds a 115 v. 5.5 amp dc motor. used on a lathe?

No. Another buyer noted this is rated at 2 watts. If that is accurate, your use would fry it in a millisecond, with smoke if not flame! 5.5 amps at 115 volts is over 600 watts.

What potentiometer is needed to go from 120v dc to 10v dc?

For that level of a drop, a divider network + 10V regulator is a much better idea. I'm sure there is a setting on this pot that will yield 10V output, but there will be low current load capability and no voltage regulation.

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2pcs RV24YN20S Single Turn Carbon Film Rotary Taper Potentiometer Used for Inverter Speed Regulation. Motor Speed Control + 2pcs A03 knob + 2pcs dials (B103 10K ohm)

Product ID: 504049885

🔄300° smooth mechanical rotation

🔥Durable 100,000 rotation lifespan

⚙️Precision 10kΩ resistance

44836CFA

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Description

⚡ Master your motor speed with precision and style!

BUILT TO LAST - Robust carbon film design rated for 100,000 rotations withstands heavy-duty use.
COMPACT VERSATILE - Sleek 24x14mm body with 6mm shaft fits seamlessly into professional automation setups.
COMPLETE CONTROL KIT - Includes 2 potentiometers, 2 A03 knobs, and 2 dials for instant installation.
SMOOTH 300 ROTATION - Effortless single-turn adjustment for fine-tuned inverter speed regulation.
ENGINEERED FOR PRECISION - Accurate 10kΩ ±10% resistance ensures reliable motor speed control.

This 2-piece RV24YN20S carbon film rotary potentiometer set offers precise 10kΩ resistance with ±10% tolerance, a smooth 300° mechanical rotation, and a durable lifespan of 100,000 cycles. Designed for inverter speed regulation and motor control, it includes matching A03 knobs and dials for easy installation. Compact and reliable, it’s the go-to choice for professionals demanding consistent performance in automation and industrial applications.

Specifications

ASIN	B0795R7PXZ
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	380,677 in Business, Industry & Science ( See Top 100 in Business, Industry & Science )
Brand	Taiss
Customer Reviews	4.5 4.5 out of 5 stars (341)
Date First Available	28 July 2017
Guaranteed software updates until	unknown
Item Weight	50 g
Item model number	JND-RV24B103-10K+A03-K
Manufacturer	Taiss
Material	PC_(Polycarbonate), PE_(Polyethylene), SAN_(Styrene_Acrylonitrile_Resin), Carbon film potentiometer
Package Dimensions	11.2 x 7.9 x 2.5 cm; 50 g
Part Number	JND-RV24B103-10K+A03-K

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44836CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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