Watlow E3A50 Firerod Cartridge Heater 120VAC 300W

The Watlow E3A50 FIREROD cartridge heater delivers 300 W of heating at 120 VAC in a compact 1/4 in diameter, 3 in long insert-style cartridge, engineered for reliable electric heat transfer and uniform temperature in tight assemblies. As part of Watlow's FIREROD line, its alloy-sheathed construction supports durable industrial process heating and precise temperature control in thermal processing and automation systems. It is commonly used in packaging machinery, molds and dies, industrial ovens, plastic processing equipment, sealing bars, medical devices, and semiconductor processing equipment, making it suitable for retrofit projects and heater replacement in demanding environments. Common replacements listed include Chromalox, Tempco, and Omega cartridge heaters.