HCD Auxiliary Switches

Hartland Controls / Littelfuse HCD Auxiliary Switches are designed for three- and four-pole contactors (20-120 FLA). This series is offered in normally open / normally closed (NO / NC) and single-pole, single-throw (SPDT) configurations. The variations include one SPDT, two SPDTs, as well as one NO, one NC. These control switches are in-house tested and validated. Hartland Controls / Littelfuse HCD Auxiliary Switches are designed and manufactured in accordance with UL 508 File No. E227250 standards.