Defender Family Contactors

Reliable and tough, the Defender series contactor is your main power relay solution. With only one relay switching point, it is designed with built-in Transient Voltage Suppression (TVS) and can handle currents as low as 350 milliamps and as high as 200 amps (refer to drawing). The Defender is perfectly suited for applications like agriculture and construction equipment, and emergency vehicles.

Built to Perform

  • The Defender is hermetically sealed to ensure reliable starting operation in the harshest conditions
  • This patented design is proven to provide consistent switching of low currents even at extremely low temperatures.

Specification Sheets

Defender Spec Sheet

Technical Drawings

Defender: 404 Series

Installation Instructions

Defender Install

Contact Us


8111 North 87th Street, Milwaukee WI, 53224 USA