Shows a 5 - 50 w power consumption. does that mean they draw max w at start up and then ramp down as they reach max temp? if not please explain

Initially these PTC heating element will draw low current <1 amp for a few seconds and then they will draw nearly 4.5 amps for about 10 seconds and stabilizes to about 2 amps at maximum temperature. To make this more manageable I found ramping the voltage up to 12VDC from 9VDC keeps the current below 3 amps at all times but does increase the time to get to full temperature (<40 seconds) . You can do your own voltage profile to see what fits your application best.

How many amps does does one unit draw?

0.9A-4.5A-2.0A is the current swing.

If I power these a limited current 12v power supply (lets say 500milliamps) will that limit the temperature or will it simply not function?

These should just limit the temperature available with lower amperage. These type of devices should be able to vary the temperature based on the current provided. I have not put these in service yet, but that is what I am expecting while using these as a heater when combined with heat sinks.

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2pcs PTC Heating Element 5W-50W AC DC 12V 220 Degree consistant Temperature Ceramic Thermostatic

2pcs PTC Heating Element 5W-50W AC DC 12V 220 Degree consistant Temperature Ceramic Thermostatic

Q: How many amps does does one unit draw?

0.9A-4.5A-2.0A is the current swing.

Q: If I power these a limited current 12v power supply (lets say 500milliamps) will that limit the temperature or will it simply not function?

These should just limit the temperature available with lower amperage. These type of devices should be able to vary the temperature based on the current provided. I have not put these in service yet, but that is what I am expecting while using these as a heater when combined with heat sinks.

Product ID: 738041084

Details

Brand
Bestol
Form Factor
Stationary
Indoor/Outdoor Usage
Indoor
Power Source
Corded
Special Feature
Adjustable

⚡12V AC/DC dual voltage

🔥Up to 50W power output

🌡️Consistent 220°C surface temp

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Description

🔥 Stay warm, stay ahead — heat that never quits!

DURABLE CERAMIC BUILD - Engineered for long service life with high reliability under continuous operation.
PLUG PLAY CONVENIENCE - Easy installation with 150mm high-temp lead wires, perfect for home or office setups.
DUAL VOLTAGE FLEXIBILITY - Seamlessly operates on both 12V AC and DC power sources for versatile use.
PRECISION TEMPERATURE CONTROL - Maintains a stable 220°C for reliable, consistent heating performance.
RAPID HEAT UP ZERO WAIT TIME - Experience instant warmth with fast surface insulation technology.

This 2-piece PTC ceramic heating element delivers up to 50W of consistent 220°C heat using efficient 12V AC/DC power. Designed for rapid heat-up and long-lasting durability, it’s ideal for indoor applications like home, office, or greenhouse heating. With adjustable temperature control and easy installation, it ensures reliable warmth wherever you need it.

Specifications

ASIN	B07VBDT8NL
Best Sellers Rank	#1,262,476 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,774 in Heater Parts & Accessories
Brand	Bestol
Brand Name	Bestol
Colour	Black
Form Factor	Stationary
Fuel Type	Electric
Global Trade Identification Number	08846985146331
Heating Element	Radiant
Heating Method	Convection
Indoor Outdoor Usage	Indoor
Indoor/Outdoor Usage	Indoor
Item Dimensions D x W x H	12D x 15W x 50H Millimeters
Item Weight	0.02 Kilograms
Manufacturer	B12019071802
Max Temperature Setting	428 Degrees Fahrenheit
Min Temperature Setting	20 Degrees Celsius
Mounting Type	Floor Mount
Part Number	AAA710
Power Source	Corded Electric
Power Source Type	Corded Electric
Recommended Uses For Product	Office, Home, Garage, Desk, Patio, Camping, Tent, Garden, Greenhouse
Room Type	Living Room
Special Feature	Adjustable Temperature
Special Features	Adjustable Temperature

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₹ 4373

Duties & taxes included

In stock

Sold byAmazon IndiaDelivered 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 India.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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