Watlow G3J77 Heater Cartridge 3 8" Dia x 3.5" Length 120v 250W 10" Leads

Description:

The Watlow G3J77 cartridge heater is used in industrial process heating and thermal control systems requiring reliable electric heat transfer and compact high-temperature heating performance. Commonly installed in packaging machinery, molds, dies, industrial ovens, and manufacturing equipment where stable heating operation and dependable temperature control are required. Maintenance teams, OEM operators, and system integrators use this Watlow cartridge heater for heater replacement, thermal system maintenance, retrofit projects, and maintaining efficient heating performance in demanding industrial environments.

Applications:

The Watlow G3J77 cartridge heater is designed for industrial heating applications requiring controlled thermal transfer and precise temperature management in compact equipment assemblies. It is commonly applied in plastic processing machinery, sealing equipment, industrial tooling, packaging systems, and thermal processing equipment where reliable heat distribution, stable operating temperatures, and continuous heating performance are essential for efficient industrial operation.

Technical Specifications:

• Manufacturer Part Number (MPN): G3J77
• Brand: Watlow
• Product Type: Cartridge Heater
• Voltage Rating: 120V
• Power Rating: 250W
• Heater Diameter: 3/8 inch
• Heater Length: 3.5 inch
• Lead Length: 10 inch
• Heater Type: Electric cartridge heater
• Function: Industrial electric process heating
• Application Type: Thermal processing and automation systems
• System Use: Heat transfer and temperature control
• Installation Type: Insert-style cartridge mounting
• Industrial Use: Packaging, tooling, ovens, and process heating systems
• Operational Function: Continuous industrial heating support

Common Replacements:

• Chromalox Cartridge Heater
• Tempco Cartridge Heater
• Omega Cartridge Heater