Rheostat - Air Cooled, Resistance 225 Ohms, Max. Current 1.2 Ohms

• Great classroom demonstration tool
• Excellent for providing hands on understanding
• Oxidized constantan wire wound on vitreous enameled tube
• Sliding contact carriage, mounted on the slide bar, carries a phosphor bronze contact for long life
• Resistance 225 Ohms, Max. Current 1.2 amps; Tube Size : 300 x 44 mm

Useful for a variety of lab. demonstrations. These rheostats provide a variable resistance in electrical circuits. Oxidized constantan wire is wound on vitreous enameled tube. Sliding contact carriage, mounted on the slide bar, carries a phosphor bronze contact for long life. 3 binding posts, one at each end of the winding and the other at the end of the slide bar for electrical connections. Unit measures approximately 12" in length.