We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
TEMPCO HDC20540 Cartridge Heater, 120V, 127 W/sq in, 3 1/2 in Lg, 12 in Lead Lg - Cartridge Heaters
TEMPCOCartridge Heaters

TEMPCO HDC20540 Cartridge Heater, 120V, 127 W/sq in, 3 1/2 in Lg, 12 in Lead Lg

The TEMPCO Swaged Cartridge Heater (MPN HDC20540) is a 300 W cartridge heater with a watt density of 127 W/sq in and a heater voltage of 120V. It features a 3 1/2 in length and 12 in lead length.

SKU 3G-OTH-69537

Also listed as: HDC 20540 · HDC-20540

Brand
TEMPCO
Item
HDC20540 Cartridge Heater, 120V, 127 W/sq in, 3 1/2 in Lg, 12 in Lead Lg
Part Number
HDC20540
Category
Cartridge Heaters
Available to Order
Also known as:HDC20540TEMPCO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TEMPCO
Manufacturer Part Number
HDC20540
Type
120V, 127 W/sq in
Lg
3 1/2 in
Lead Lg
12 in
Watt Density
127 W/sq in
Heater Voltage
120V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

TEMPCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TEMPCO Swaged Cartridge Heater (MPN HDC20540) is a 300 W cartridge heater with a watt density of 127 W/sq in and a heater voltage of 120V. It features a 3 1/2 in length and 12 in lead length.

Frequently Asked Questions

What is a TEMPCO swaged cartridge heater used for?

A TEMPCO swaged cartridge heater is used for direct immersion heating in industrial applications such as plastic injection molds, hot-runner systems, packaging machinery, and process equipment. Its swaged construction provides high watt density and efficient heat transfer in confined spaces.

What are the specifications of the TEMPCO HDC20540 cartridge heater?

The TEMPCO HDC20540 swaged cartridge heater delivers 300 W at 120V with a watt density of 127 W/sq in. It measures 3 1/2 in long with 12 in lead length. This model is designed for applications requiring concentrated heat in a compact form factor.

Where to buy TEMPCO cartridge heaters worldwide?

3G Electric supplies TEMPCO cartridge heaters worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine TEMPCO parts like the HDC20540 to industrial buyers across 14 departments, including machining and electrical.

How to install a TEMPCO swaged cartridge heater?

Install the TEMPCO swaged cartridge heater by inserting it into a clean, close-tolerance hole for optimal heat transfer. Ensure the lead wires are properly insulated and the voltage matches the 120V rating. Avoid exceeding the maximum operating temperature to prevent damage.

Used in

Common applications for TEMPCO
Industrial ovens — TEMPCO finned strip heaters (CSF00027) for uniform heat distribution in drying and curing processes.
Plastic processing — TEMPCO swaged cartridge heaters (HDC20556) for precise heating in injection molds and extrusion dies.
Liquid heating — TEMPCO screw-plug immersion heaters (TSP03262) for heating water, oils, and chemicals in tanks.
Packaging machinery — TEMPCO rigid strip heaters (CSH01257) for sealing bars and heat tunnels.
HVAC systems — TEMPCO flexible strip heaters (SHS80373) for duct heating and freeze protection.
Radiant heating — TEMPCO linear infrared ceramic heaters (CRA10025) for indoor process heating and comfort heating.
Not sure this is the right part? Photo-identify it

TEMPCO Products

3G Electric supplies TEMPCO cartridge heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from TEMPCO

View all TEMPCO parts
Cartridge heater rated 240V with 33 W/sq in watt density. 1/2 in diameter, 4 in length, 10 in lead length. Designed for insertion into drilled holes for localized heating in industrial processes such as plastic forming, sealing, and hot stamping
TEMPCO
Cartridge heater rated 240V with 33 W/sq in watt density. 1/2 in diameter, 4 in length, 10 in lead length. Designed for insertion into drilled holes for localized heating in industrial processes such as plastic forming, sealing, and hot stamping
Swaged cartridge heater rated at 240V with a watt density of 255 W/sq in. Overall length is 1 1/2 in with 10 in lead wires. Used for tight-fit installations in industrial heating applications such as mold heating, packaging machinery, and plastic processing
TEMPCO
Swaged cartridge heater rated at 240V with a watt density of 255 W/sq in. Overall length is 1 1/2 in with 10 in lead wires. Used for tight-fit installations in industrial heating applications such as mold heating, packaging machinery, and plastic processing

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first