The 90-170 is a three-pole, panel-mount definite purpose contactor designed for use in central air conditioning and heating systems. It features high-quality contact blocks and a carrier made from electrical-grade thermosetting resin insulator. The contactor supports any mounting position with an interchangeable mounting plate. It has a low wattage coil, double-break contacts for reliable switching, and is suitable for continuous duty operation. The coil has Class B (130°C) insulation, and the device operates within a temperature range of -40°F to 150°F. This contactor is ideal for industrial applications.