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

3G Electric
RFQ CartGet a QuoteSign inSign up
VULCAN Strip Heater: 500 W Watt, 120V, 21 in Overall Lg, 20 in Mounting Dimension - Rigid Strip Heaters
VULCANRigid Strip Heaters

VULCAN Strip Heater: 500 W Watt, 120V, 21 in Overall Lg, 20 in Mounting Dimension

The VULCAN Strip Heater: 500 W Watt (MPN OS1221-500A) is a rigid strip heater with a watt density of 10 W/sq in. It operates at 120V and features a 21 in overall length with a 20 in mounting dimension and an offset…

SKU 3G-OTH-64578

Brand
VULCAN
Item
Strip Heater: 500 W Watt, 120V, 21 in Overall Lg, 20 in Mounting Dimension
Category
Rigid Strip Heaters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

VULCAN
Manufacturer Part Number
OS1221-500A
Type
120V, Offset
Overall Lg
21 in
Watt Density
10 W/sq in
Mounting Dimension
20 in
View Full Spec Sheet

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 Strip Heater: 500 W Watt (MPN OS1221-500A) is a rigid strip heater with a watt density of 10 W/sq in. It operates at 120V and features a 21 in overall length with a 20 in mounting dimension and an offset configuration.

Frequently Asked Questions

What is a VULCAN strip heater used for?

A VULCAN rigid strip heater provides uniform heat for industrial applications such as drying, curing, and process heating. Its offset configuration and 10 W/sq in watt density suit duct heating, ovens, and packaging equipment where controlled surface heating is required.

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

The VULCAN OS1221-500A is a 500 W, 120V rigid strip heater with a 10 W/sq in watt density. It has a 21 in overall length, a 20 in mounting dimension, and an offset design. The manufacturer part number is OS1221-500A.

Where to buy a VULCAN strip heater worldwide?

3G Electric supplies the VULCAN OS1221-500A strip heater to global customers. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for pricing and lead time on this rigid strip heater.

How to install a VULCAN rigid strip heater?

Mount the VULCAN strip heater securely using the 20 in mounting dimension, ensuring proper electrical connections at 120V. Maintain clearance from flammable materials and follow the manufacturer's guidelines for watt density and ambient temperature limits to avoid overheating.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
VULCAN Strip Heater: 500 W Watt, 240V, 17 7/8 in Overall Lg, 16 7/8 in Mounting Dimension, Offset (MPN OS1417-500B). Key specifications — Watt Density: 12 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 500 W Watt, 240V, 17 7/8 in Overall Lg, 16 7/8 in Mounting Dimension, Offset (MPN OS1417-500B). Key specifications — Watt Density: 12 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 250 W Watt, 240V, 12 in Overall Lg, 11 in Mounting Dimension, Offset (MPN OS1212-250B). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 250 W Watt, 240V, 12 in Overall Lg, 11 in Mounting Dimension, Offset (MPN OS1212-250B). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 150 W Watt, 120V, 8 in Overall Lg, 7 in Mounting Dimension, Offset, 12 W/sq in (MPN OS1208-150A). Key specifications — Watt Density: 12 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 150 W Watt, 120V, 8 in Overall Lg, 7 in Mounting Dimension, Offset, 12 W/sq in (MPN OS1208-150A). Key specifications — Watt Density: 12 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 500 W Watt, 240V, 21 in Overall Lg, 20 in Mounting Dimension, Offset (MPN OS1221-500B). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 500 W Watt, 240V, 21 in Overall Lg, 20 in Mounting Dimension, Offset (MPN OS1221-500B). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 700 W Watt, 120V, 26 3/4 in Overall Lg, 25 3/4 in Mounting Dimension, Offset (MPN OS1226-700A). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 700 W Watt, 120V, 26 3/4 in Overall Lg, 25 3/4 in Mounting Dimension, Offset (MPN OS1226-700A). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 300 W Watt, 120V, 14 in Overall Lg, 13 in Mounting Dimension, Offset (MPN OS1214-300A). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 300 W Watt, 120V, 14 in Overall Lg, 13 in Mounting Dimension, Offset (MPN OS1214-300A). Key specifications — Watt Density: 10 W/sq in; Brand: VULCAN.

More from VULCAN

View all VULCAN parts →
VULCAN Strip Heater: 350 W Watt, 120V, 12 in Overall Lg, 11 in Mounting Dimension, Offset (MPN OS1412-350A). Key specifications — Watt Density: 16 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 350 W Watt, 120V, 12 in Overall Lg, 11 in Mounting Dimension, Offset (MPN OS1412-350A). Key specifications — Watt Density: 16 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 250 W Watt, 240V, 8 in Overall Lg, 7 in Mounting Dimension, Offset, 19 W/sq in (MPN OS1408-250B). Key specifications — Watt Density: 19 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 250 W Watt, 240V, 8 in Overall Lg, 7 in Mounting Dimension, Offset, 19 W/sq in (MPN OS1408-250B). Key specifications — Watt Density: 19 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 1,250 W Watt, 240V, 30 1/2 in Overall Lg, 29 1/2 in Mounting Dimension, Offset (MPN OS1430-1250B). Key specifications — Watt Density: 15 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 1,250 W Watt, 240V, 30 1/2 in Overall Lg, 29 1/2 in Mounting Dimension, Offset (MPN OS1430-1250B). Key specifications — Watt Density: 15 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 700 W Watt, 120V, 23 3/4 in Overall Lg, 22 3/4 in Mounting Dimension, Offset (MPN OS1423-700B). Key specifications — Watt Density: 11 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 700 W Watt, 120V, 23 3/4 in Overall Lg, 22 3/4 in Mounting Dimension, Offset (MPN OS1423-700B). Key specifications — Watt Density: 11 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 750 W Watt, 120V, 23 3/4 in Overall Lg, 22 3/4 in Mounting Dimension, Offset (MPN OS1223-750A). Key specifications — Watt Density: 12 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 750 W Watt, 120V, 23 3/4 in Overall Lg, 22 3/4 in Mounting Dimension, Offset (MPN OS1223-750A). Key specifications — Watt Density: 12 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 1,000 W Watt, 240V, 35 7/8 in Overall Lg, 34 7/8 in Mounting Dimension, Offset (MPN OS1235-1000B). Key specifications — Watt Density: 11 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 1,000 W Watt, 240V, 35 7/8 in Overall Lg, 34 7/8 in Mounting Dimension, Offset (MPN OS1235-1000B). Key specifications — Watt Density: 11 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 1,500 W Watt, 240V, 42 1/2 in Overall Lg, 41 1/2 in Mounting Dimension, Offset (MPN OS1442-1500B). Key specifications — Watt Density: 13 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 1,500 W Watt, 240V, 42 1/2 in Overall Lg, 41 1/2 in Mounting Dimension, Offset (MPN OS1442-1500B). Key specifications — Watt Density: 13 W/sq in; Brand: VULCAN.
VULCAN Strip Heater: 500 W Watt, 120V, 14 in Overall Lg, 13 in Mounting Dimension, Offset (MPN OS1414-500A). Key specifications — Watt Density: 16 W/sq in; Brand: VULCAN.
VULCAN
VULCAN Strip Heater: 500 W Watt, 120V, 14 in Overall Lg, 13 in Mounting Dimension, Offset (MPN OS1414-500A). Key specifications — Watt Density: 16 W/sq in; Brand: VULCAN.