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WATTCO™ cartridge heaters are made of a swaged construction that consists in a high-grade nickel chromium resistance wire wound around a high-quality MgO core that is centered in a stainless steel casing.

Cartridge heaters are used for several heating metal parts and can be fitted with threaded bushings for liquid heating for certain applications. Cartridge heaters will reach metal temperatures of up to 1400 ºF (760 ºC) with the appropriate material, watt density, and fit selections. Maximize element life and value with WATTCO™ cartridge heaters.
WATTCO™ Standard Watt Density Cartridge Heaters
WATTCO™ Standard Watt Density Cartridge Heaters - 2
Unit of Measure
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Item #

Item Name

Sheath Length

Voltage

Hole Diameter

Sheath Diameter

WC30801 N/A WATTCO™ 203.2 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 8 in203.2 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC3101 N/A WATTCO™ 254.0 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 10 in254.0 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC3121 N/A WATTCO™ 304.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 12 in304.8 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC30102 N/A WATTCO™ 25.4 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 1 in25.4 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC301A2 N/A WATTCO™ 31.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/4 in31.8 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC301C2 N/A WATTCO™ 38.1 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/2 in38.1 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC30202 N/A WATTCO™ 50.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 2 in50.8 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC30302 N/A WATTCO™ 76.2 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 3 in76.2 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC30402 N/A WATTCO™ 101.6 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 4 in101.6 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC30502 N/A WATTCO™ 127.0 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 5 in127.0 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC30602 N/A WATTCO™ 152.4 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 6 in152.4 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC30702 N/A WATTCO™ 177.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 7 in177.8 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC30802 N/A WATTCO™ 203.2 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 8 in203.2 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC3102 N/A WATTCO™ 254.0 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 10 in254.0 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC3122 N/A WATTCO™ 304.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 12 in304.8 mm N/A 240 V N/A 3/8 in N/A 0.372 in
WC50101 N/A WATTCO™ 25.4 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 in25.4 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC501A1 N/A WATTCO™ 31.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/4 in31.8 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC501C1 N/A WATTCO™ 38.1 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/2 in38.1 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC50201 N/A WATTCO™ 50.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 2 in50.8 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC502C1 N/A WATTCO™ 63.5 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 2 1/2 in63.5 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC50301 N/A WATTCO™ 76.2 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 3 in76.2 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC503C1 N/A WATTCO™ 88.9 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 3 1/2 in88.9 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC50401 N/A WATTCO™ 101.6 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 4 in101.6 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC50501 N/A WATTCO™ 127.0 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 5 in127.0 mm N/A 120 V N/A 1/2 in N/A 0.497 in
WC50601 N/A WATTCO™ 152.4 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 6 in152.4 mm N/A 120 V N/A 1/2 in N/A 0.497 in
Unit of Measure
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