The C440 is a selfpowered, robust electronic overload designed for integrated use with Freedom NEMA contactors

Tiered feature set to provide coverage specific to your application

Broad 5: 1 FLA range for maximum flexibility

Coverage from 0.05–1500 A to meet all your needs

Long life twin break, silver cadmium oxide contacts—provide excellent conductivity and superior resistance to welding and arc erosion. Generously sized for low resistance and cool operation

Designed to 3,000,000 electrical operations at maximum hp ratings up through 25 hp at 600 V

Steel mounting plate standard on all open type starters

Wired for separate or common control

Bimetallic ambient compensated overload relays—available in three basic sizes covering applications up to 900 hp— reducing number of different contactor/overload relay combinations that have to be stocked These overload relays feature:

Selectable manual or automatic reset operation

Interchangeable heater packs adjustable ±24% to match motor FLA and calibrated for 1.0 and 1.15 service factors. Heater packs for smaller overload relay will mount in larger overload relay— useful in derating applications such as jogging

Load lugs built into relay base

Single-phase protection, Class 20 or Class 10 trip time

Overload trip indication

Electrically isolated NO-NC contacts (pull RESET button to test