Features of Chromalox CH-252 240 Volt Infinite Control Mechanism

The Chromalox CH-252 provides infinite control for non-inductive loads up to 15 amps on 240 Vac (cannot be used with external contactor). It can be turned either to left or right to select proper heat from 0-100% wattage with infinite control over the first 50% of total wattage. Energized continuously in HI position, at other settings it delivers selected input level under control of a simple bimetal timer. Only 3 mounting holes are necessary to install the CH in customer supplied box or panel. It is designed for use at ambient temperatures up to 180°F..

• Rating: 240 Volt, 15 Amps Max
• Mechanical Bi-Metal Operation
• Control 0 to 100% Output of Non-Inductive Loads
• Double Pole, Single Throw (DPST) Snap-Action Switch
• Simplicity of design with no cams or levers to adjust, and no motor to burn out.
• Automatic compensation for line voltage fluctuations up to ± 15%.
• Bimetal acts at settings less than HI to limit electrical input and reduce temperature