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VULCAN OS1221-500B Rigid Strip Heater, 500W, 240V, 21 in Overall Length, Offset - Rigid Strip Heaters
VULCANRigid Strip Heaters

VULCAN OS1221-500B Rigid Strip Heater, 500W, 240V, 21 in Overall Length, Offset

The VULCAN OS1221-500B is a rigid strip heater rated at 500 W and 240 V, with a watt density of 10 W/sq in. It features a 21 in overall length and a 20 in mounting dimension with an offset configuration. This…

SKU 3G-OTH-64584

Also listed as: OS1221500B · OS1221 500B

Brand
VULCAN
Item
OS1221-500B Rigid Strip Heater, 500W, 240V, 21 in Overall Length, Offset
Category
Rigid Strip 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

VULCAN
Manufacturer Part Number
OS1221-500B
Type
240V, Offset
Overall Lg
21 in
Watt Density
10 W/sq in
Mounting Dimension
20 in

Technical Documents

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

Product Description

The VULCAN OS1221-500B is a rigid strip heater rated at 500 W and 240 V, with a watt density of 10 W/sq in. It features a 21 in overall length and a 20 in mounting dimension with an offset configuration. This industrial heating element is designed for applications requiring consistent, direct heat transfer.

Frequently Asked Questions

What is the VULCAN OS1221-500B strip heater used for?

The VULCAN OS1221-500B rigid strip heater is used for industrial applications requiring consistent, direct heat transfer, such as drying, curing, and process heating. Its 500 W power and 240 V rating make it suitable for ovens, packaging machinery, and duct heating where reliable surface heating is needed.

What are the specifications of the VULCAN OS1221-500B strip heater?

The VULCAN OS1221-500B is a 500 W, 240 V rigid strip heater with a watt density of 10 W/sq in. It has a 21 in overall length and a 20 in mounting dimension with an offset configuration. The manufacturer part number is OS1221-500B, and it is designed for industrial heating applications.

Where to buy the VULCAN OS1221-500B strip heater worldwide?

You can source the VULCAN OS1221-500B strip heater through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this VULCAN heating element.

How to install a VULCAN rigid strip heater?

To install a VULCAN rigid strip heater like the OS1221-500B, ensure the mounting surface is clean and flat. Secure the heater using the 20 in mounting dimension with appropriate hardware, maintaining proper clearance for thermal expansion. Always disconnect power before installation and follow local electrical codes for 240 V 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 rigid strip 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
Rigid strip heater with offset mounting configuration, rated 300W at 240V. Overall length 14 in, mounting dimension 13 in, watt density 10 W/sq in. Used for process heating applications such as tank heating, pipe tracing, and air heating in confined spaces requiring uniform heat distribution
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Rigid strip heater with offset mounting configuration, rated 300W at 240V. Overall length 14 in, mounting dimension 13 in, watt density 10 W/sq in. Used for process heating applications such as tank heating, pipe tracing, and air heating in confined spaces requiring uniform heat distribution
Rigid strip heater rated at 350 W and 240 V with a watt density of 16 W/sq in. Overall length is 12 in with an 11 in mounting dimension and offset configuration. Used for applications requiring direct heat transfer such as drying, curing, and process heating in ovens and packaging machinery
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Rigid strip heater rated at 350 W and 240 V with a watt density of 16 W/sq in. Overall length is 12 in with an 11 in mounting dimension and offset configuration. Used for applications requiring direct heat transfer such as drying, curing, and process heating in ovens and packaging machinery
Rigid strip heater rated 700 W at 120 V with a watt density of 10 W/sq in. Overall length 26-3/4 in, mounting dimension 25-3/4 in, offset configuration. Used for process heating in ovens, drying cabinets, and packaging equipment
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Rigid strip heater rated 700 W at 120 V with a watt density of 10 W/sq in. Overall length 26-3/4 in, mounting dimension 25-3/4 in, offset configuration. Used for process heating in ovens, drying cabinets, and packaging equipment
Rigid strip heater rated 300 W at 120 V with a watt density of 10 W/sq in. Overall length 14 in, mounting dimension 13 in, offset configuration. Suitable for surface heating applications such as tanks, pipes, and molds
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Rigid strip heater rated 300 W at 120 V with a watt density of 10 W/sq in. Overall length 14 in, mounting dimension 13 in, offset configuration. Suitable for surface heating applications such as tanks, pipes, and molds
Rigid strip heater rated 500 W at 120 V with a watt density of 12 W/sq in. Overall length 17-7/8 in, mounting dimension 16-7/8 in, offset configuration. Used for industrial process heating such as tank, air, and duct heating in manufacturing and packaging equipment
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Rigid strip heater rated 500 W at 120 V with a watt density of 12 W/sq in. Overall length 17-7/8 in, mounting dimension 16-7/8 in, offset configuration. Used for industrial process heating such as tank, air, and duct heating in manufacturing and packaging equipment
Rigid strip heater with offset mounting for clamping onto surfaces, tanks, or platens in confined spaces. 240V, 150W, 12 W/in² watt density, 8 in overall length, 7 in mounting dimension
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Rigid strip heater with offset mounting for clamping onto surfaces, tanks, or platens in confined spaces. 240V, 150W, 12 W/in² watt density, 8 in overall length, 7 in mounting dimension

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Rigid strip heater with 500 W power rating at 120V, 10 W/sq in watt density. Overall length 21 in, mounting dimension 20 in, offset configuration. Used for duct heating, ovens, packaging equipment, and other process heating requiring uniform surface heat
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Rigid strip heater rated at 1250 W and 240 V with a watt density of 15 W/sq in. Overall length is 30 1/2 in with a mounting dimension of 29 1/2 in, offset configuration. Used for uniform surface heating in ovens, packaging machinery, and process heating applications
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Rigid strip heater rated at 1250 W and 240 V with a watt density of 15 W/sq in. Overall length is 30 1/2 in with a mounting dimension of 29 1/2 in, offset configuration. Used for uniform surface heating in ovens, packaging machinery, and process heating applications
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Rigid strip heater rated 750 W at 120 V with a watt density of 12 W/sq in. Overall length 23-3/4 in, mounting dimension 22-3/4 in, offset configuration. Used for process heating, drying, and curing in ovens, packaging machinery, and duct heating
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