MT-32 LS thermal overload relay MT-32 with adjustable AMP ranges  from 0.10 to 40 AMPS (must choose specific AMP range above). With phase loss sensitivity and class 10 protection, this overload relay provides full motor protection against over-amperage conditions. With the ability to directly mount to MC-9b through MC-40a contactor, the MT-32 thermal overload relay provides for easy installation and shortens downtime.