Killark B7MS2RS-18 - 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. Compact size enclosures provide application flexibility with cost savings over industry standard sizes. NEMA 4, 4X rated - providing protection from hose directed water and corrosion. Pre-drilled to facilitate easy field installation of starters. Push but