Both the upright and the low profile units use highly moisture resistant G-10 Epoxy glass with anti-track surface coating as standard insulation (if special insulation or insulation lengths are required, consult Ross Engineering). Each long life contactor is supplied with 2 form C, SPDT

HA3 Upright

auxiliary contacts rated at 15A, 480V AC. 10A, 125V DC auxiliaries and up to 4 contacts are available. All Ross contactors have vacuum sealed HV contacts for quiet, explosion-proof, high voltage switching. Each unit is designed to be lightweight, compact, and maintenance-free. Most contactors have a five-digit counter, and open-closed and contact wear indicators that are readily visible from the front of the unit. Single-pole and two-pole units are available as well as units for voltages up to 300KV.