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TEMPCO Swaged Cartridge Heater: 750 W Watts, 4 in Lg, 12 in Lead Lg, 240V, 136 W/sq in - Cartridge Heaters
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TEMPCO Swaged Cartridge Heater: 750 W Watts, 4 in Lg, 12 in Lead Lg, 240V, 136 W/sq in

The TEMPCO Swaged Cartridge Heater (SKU HDC20603, MPN HDC20603) is a 750 W cartridge heater with a 240V voltage rating and a watt density of 136 W/sq in. It features a 1/2 in diameter, 4 in length, and 12 in lead length.

SKU 3G-OTH-67928

Also listed as: HDC 20603 · HDC-20603

Brand
TEMPCO
Item
Swaged Cartridge Heater: 750 W Watts, 4 in Lg, 12 in Lead Lg, 240V, 136 W/sq in
Category
Cartridge Heaters
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TEMPCO
Manufacturer Part Number
HDC20603
Type
240V, 136 W/sq in
Dia
1/2 in
Lg
4 in
Lead Lg
12 in
Watt Density
136 W/sq in
Heater Voltage
240V

Technical Documents

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

Product Description

The TEMPCO Swaged Cartridge Heater (SKU HDC20603, MPN HDC20603) is a 750 W cartridge heater with a 240V voltage rating and a watt density of 136 W/sq in. It features a 1/2 in diameter, 4 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 molding, packaging machinery, and hot-runner systems. Its compact 1/2 in diameter and 4 in length allow installation into drilled holes for precise, localized heat transfer.

What are the specifications of the TEMPCO HDC20603 cartridge heater?

The TEMPCO HDC20603 swaged cartridge heater delivers 750 W at 240V with a watt density of 136 W/sq in. It has a 1/2 in diameter, 4 in length, and 12 in lead length. These specs suit medium-density heating applications requiring consistent temperature control.

Where to buy a TEMPCO HDC20603 cartridge heater worldwide?

3G Electric supplies the TEMPCO HDC20603 swaged cartridge heater worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 750 W, 240V heater to your facility. Contact us for lead time and pricing.

How to install a TEMPCO swaged cartridge heater?

Install the TEMPCO cartridge heater into a clean, close-tolerance drilled hole for optimal heat transfer. Ensure the 240V supply matches the heater voltage and that the 12 in lead length is routed away from sharp edges. Use a temperature controller to prevent exceeding the 136 W/sq in watt density.

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.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
TEMPCO Swaged Cartridge Heater: 750 W Watts, 4 in Lg, 12 in Lead Lg, 120V, 136 W/sq in, 1/2 in Dia (MPN HDC20602)
TEMPCO
TEMPCO Swaged Cartridge Heater: 750 W Watts, 4 in Lg, 12 in Lead Lg, 120V, 136 W/sq in, 1/2 in Dia (MPN HDC20602)
TEMPCO Swaged Cartridge Heater: 550 W Watts, 4 in Lg, 12 in Lead Lg, 240V, 100 W/sq in, 1/2 in Dia (MPN HDC20601)
TEMPCO
TEMPCO Swaged Cartridge Heater: 550 W Watts, 4 in Lg, 12 in Lead Lg, 240V, 100 W/sq in, 1/2 in Dia (MPN HDC20601)
TEMPCO Swaged Cartridge Heater: 500 W Watts, 5 in Lg, 12 in Lead Lg, 120V, 71 W/sq in, 1/2 in Dia (MPN HDC20604)
TEMPCO
TEMPCO Swaged Cartridge Heater: 500 W Watts, 5 in Lg, 12 in Lead Lg, 120V, 71 W/sq in, 1/2 in Dia (MPN HDC20604)
Swaged cartridge heater rated 120V with 100 W/sq in watt density. 4 in length, 1/2 in diameter, 12 in lead length. Designed for direct insertion into drilled holes for localized heating in industrial equipment such as injection molding and packaging machinery
TEMPCO
Swaged cartridge heater rated 120V with 100 W/sq in watt density. 4 in length, 1/2 in diameter, 12 in lead length. Designed for direct insertion into drilled holes for localized heating in industrial equipment such as injection molding and packaging machinery
TEMPCO Swaged Cartridge Heater: 400 W Watts, 4 in Lg, 12 in Lead Lg, 240V, 73 W/sq in, 1/2 in Dia (MPN HDC20599)
TEMPCO
TEMPCO Swaged Cartridge Heater: 400 W Watts, 4 in Lg, 12 in Lead Lg, 240V, 73 W/sq in, 1/2 in Dia (MPN HDC20599)
TEMPCO Swaged Cartridge Heater: 500 W Watts, 5 in Lg, 12 in Lead Lg, 240V, 71 W/sq in, 1/2 in Dia (MPN HDC07791)
TEMPCO
TEMPCO Swaged Cartridge Heater: 500 W Watts, 5 in Lg, 12 in Lead Lg, 240V, 71 W/sq in, 1/2 in Dia (MPN HDC07791)

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