Killark B7MS1PS-1 - Compact size enclosures provide application flexibility with cost savings over industry standard sizes.Type 4, 4X rated for protection from hose directed water and corrosion.Pre-drilled to facilitate easy field installation of starters.Either rotary or push button operator with included lock-out provision.Provisions for drain and breather.Bolt on ductile mounting lugs.Two NPT conduit openings provided as standard.Additional custom openings on request.Universal design accommodates, as standard, IEC starter manufacturers including Square D, CutlerHammer, ABB, Siemens, Moeller, Sprecher+ Schuh, Allen-Bradley, Advance Controls, and WEG.Copper-free aluminum (less than 4/10 of 1% copper content).Cover bolts are 316 stainless steel.Silicone O-ring gasket.Gray powder polyester painted exterior, electrostatically applied. Killark's B7MS Series of Hazardous Location Manual Motor Starters provide non-reversing manual starting and stopping of motor loads. Rated for indoor and outdoor applications, the copper-free aluminum construction is ideal for harsh and hazardous environments. Available with either "Push-Button" or "Rotary" style operators, the internal IEC-style starter is available in manufacturer configurations including Square D and ABB.