Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

VULCAN C3940A Cartridge Heater - Cartridge Heaters
VULCANCartridge Heaters

VULCAN C3940A Cartridge Heater

The VULCAN Swaged Cartridge Heater (MPN C3940A) is a 200 W cartridge heater with a 3/8 in diameter and 5 in length, operating at 120V. It features a watt density of 38 W/sq in and 10 in lead length.

SKU 3G-OTH-69333

Brand
VULCAN
Item
C3940A Cartridge Heater
Category
Cartridge Heaters
Available to Order
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 — 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

VULCAN
Manufacturer Part Number
C3940A
Type
120V, 38 W/sq in
Dia
3/8 in
Lg
5 in
Lead Lg
10 in
Watt Density
38 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

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

Product Description

The VULCAN Swaged Cartridge Heater (MPN C3940A) is a 200 W cartridge heater with a 3/8 in diameter and 5 in length, operating at 120V. It features a watt density of 38 W/sq in and 10 in lead length.

Frequently Asked Questions

What is the VULCAN Swaged Cartridge Heater used for?

The VULCAN Swaged Cartridge Heater (MPN C3940A) is used for direct immersion heating in industrial applications such as plastic injection molding, packaging machinery, and hot-runner systems. Its swaged construction provides high watt density (38 W/sq in) for efficient heat transfer in confined spaces.

What are the specifications of the VULCAN C3940A cartridge heater?

The VULCAN C3940A is a 200 W swaged cartridge heater with a 3/8 in diameter, 5 in length, and 10 in lead length. It operates at 120V with a watt density of 38 W/sq in. The heater is designed for reliable performance in industrial heating applications.

Where to buy VULCAN cartridge heaters worldwide?

You can source the VULCAN Swaged Cartridge Heater (C3940A) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this VULCAN heater.

How to install a VULCAN swaged cartridge heater?

To install the VULCAN C3940A, ensure the heater fits snugly into a clean, dry hole with a diameter tolerance of +0.001 to +0.003 in. Use a high-temperature heat sink compound for optimal heat transfer. Avoid bending leads near the heater body and follow standard electrical safety practices for 120V connections.

Used in

Common applications for VULCAN
Industrial ovens — VULCAN rigid strip heaters (e.g., OS1423-1500B) for uniform heat distribution in drying and curing ovens.
Plastic processing — VULCAN swaged cartridge heaters (e.g., TB6025B) for injection molding and extrusion barrel heating.
Fluid heating — VULCAN screw-plug immersion heaters (e.g., AUO250B) for heating water, oils, or chemicals in tanks.
Packaging machinery — VULCAN finned strip heaters (e.g., OSF1517-1000B) for heat sealing and shrink wrapping equipment.
Process temperature control — VULCAN Cal-Stat thermostats (e.g., 1E1C9) for regulating temperature in pipelines or vessels.
Air heating — VULCAN finned tubular elements (e.g., RE8-1000B) for forced-air heaters and duct systems.

VULCAN Products

3G Electric supplies VULCAN 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
TEMPCO Swaged Cartridge Heater: 1,500 W Watts, 10 in Lg, 10 in Lead Lg, 240V, 101 W/sq in (MPN HDC00678)
TEMPCO
TEMPCO Swaged Cartridge Heater: 1,500 W Watts, 10 in Lg, 10 in Lead Lg, 240V, 101 W/sq in (MPN HDC00678)
TEMPCO Swaged Cartridge Heater: 250 W Watts, 2 1/2 in Lg, 12 in Lead Lg, 120V, 159 W/sq in (MPN HDC20536)
TEMPCO
TEMPCO Swaged Cartridge Heater: 250 W Watts, 2 1/2 in Lg, 12 in Lead Lg, 120V, 159 W/sq in (MPN HDC20536)
TEMPCO Swaged Cartridge Heater: 600 W Watts, 7 in Lg, 10 in Lead Lg, 120V, 78 W/sq in, 3/8 in Dia (MPN HDC00370)
TEMPCO
TEMPCO Swaged Cartridge Heater: 600 W Watts, 7 in Lg, 10 in Lead Lg, 120V, 78 W/sq in, 3/8 in Dia (MPN HDC00370)
TEMPCO Swaged Cartridge Heater: 500 W Watts, 8 in Lg, 12 in Lead Lg, 120V, 42 W/sq in, 1/2 in Dia (MPN HDC20608)
TEMPCO
TEMPCO Swaged Cartridge Heater: 500 W Watts, 8 in Lg, 12 in Lead Lg, 120V, 42 W/sq in, 1/2 in Dia (MPN HDC20608)
TEMPCO Cartridge Heater: 150 W Watts, 4 1/2 in Lg, 10 in Lead Lg, 120V, 32 W/sq in, 3/8 in Dia (MPN LDC00051)
TEMPCO
TEMPCO Cartridge Heater: 150 W Watts, 4 1/2 in Lg, 10 in Lead Lg, 120V, 32 W/sq in, 3/8 in Dia (MPN LDC00051)

More from VULCAN

View all VULCAN parts
Swaged cartridge heater rated 240V with 96 W/sq in watt density. Length 1 1/2 in, lead length 10 in. Used for compact, high-density heating in molds, packaging machinery, and plastic processing equipment
VULCAN
Swaged cartridge heater rated 240V with 96 W/sq in watt density. Length 1 1/2 in, lead length 10 in. Used for compact, high-density heating in molds, packaging machinery, and plastic processing equipment
Swaged cartridge heater for direct heating of metal parts in industrial applications such as plastic injection molding, packaging machinery, and hot stamping. Delivers 500W at 120V with a watt density of 71 W/sq in. Features a 1/2 in diameter, 5 in length, and 10 in lead length
VULCAN
Swaged cartridge heater for direct heating of metal parts in industrial applications such as plastic injection molding, packaging machinery, and hot stamping. Delivers 500W at 120V with a watt density of 71 W/sq in. Features a 1/2 in diameter, 5 in length, and 10 in lead length
Swaged cartridge heater for industrial process heating. 120V, 550W output with 80 W/sq in watt density. 5/8 in diameter, 4 in length, 10 in lead length. Suitable for direct insertion into drilled holes in molds, packaging machinery, and plastic injection systems
VULCAN
Swaged cartridge heater for industrial process heating. 120V, 550W output with 80 W/sq in watt density. 5/8 in diameter, 4 in length, 10 in lead length. Suitable for direct insertion into drilled holes in molds, packaging machinery, and plastic injection systems
Swaged cartridge heater for direct insertion into drilled holes. Rated 120V with 86 W/sq in watt density. Length 1 1/2 in, lead length 10 in. Used in applications requiring controlled localized heating such as plastic injection molding and packaging machinery
VULCAN
Swaged cartridge heater for direct insertion into drilled holes. Rated 120V with 86 W/sq in watt density. Length 1 1/2 in, lead length 10 in. Used in applications requiring controlled localized heating such as plastic injection molding and packaging machinery
Swaged cartridge heater rated 120V with 36 W/sq in watt density. Measures 3/8 in diameter by 4 in length with 10 in lead wires. Used for direct-immersion heating in platens, dies, molds, and packaging machinery
VULCAN
Swaged cartridge heater rated 120V with 36 W/sq in watt density. Measures 3/8 in diameter by 4 in length with 10 in lead wires. Used for direct-immersion heating in platens, dies, molds, and packaging machinery
Swaged cartridge heater rated at 500W, 120V, with a watt density of 28 W/sq in. Measures 8 inches in length, 3/4 inch in diameter, and includes 10-inch lead wires. Suitable for direct immersion heating in confined spaces such as molds, dies, and process equipment
VULCAN
Swaged cartridge heater rated at 500W, 120V, with a watt density of 28 W/sq in. Measures 8 inches in length, 3/4 inch in diameter, and includes 10-inch lead wires. Suitable for direct immersion heating in confined spaces such as molds, dies, and process equipment
Swaged cartridge heater rated 240V with 100 W/sq in watt density. 1/2 in diameter, 4 in length, 10 in lead length. Used for direct immersion or insertion into metal parts for localized heating in industrial processes such as mold heating, packaging machinery, and plastic processing
VULCAN
Swaged cartridge heater rated 240V with 100 W/sq in watt density. 1/2 in diameter, 4 in length, 10 in lead length. Used for direct immersion or insertion into metal parts for localized heating in industrial processes such as mold heating, packaging machinery, and plastic processing
Swaged cartridge heater with 3/8 in diameter, 2 in length, and 10 in lead length. Operates at 240V with 85 W/sq in watt density. Suitable for direct immersion heating in industrial molds, dies, and process equipment requiring high watt density in confined spaces
VULCAN
Swaged cartridge heater with 3/8 in diameter, 2 in length, and 10 in lead length. Operates at 240V with 85 W/sq in watt density. Suitable for direct immersion heating in industrial molds, dies, and process equipment requiring high watt density in confined spaces