Pentax DTRT 300 Submersible Grinder Pump (3∼415V) Heavy-duty, three-phase submersible grinder pump designed for high-head sewage and wastewater applications in commercial, industrial, and residential settings. Key Features: Grinder System: Treated stainless-steel grinder and centrifugal design for shredding textile and filamentous solids to prevent clogs. Power: 3 HP (2.2 kW) motor, rated for 380−415V (3-phase) operation. Performance: High-head capability for long-distance pumping, with flow ranges approximately 50−300 L/min. Construction: Robust cast-iron body and impeller with an AISI 304 motor shaft. Durability: Double mechanical seal with an oil barrier (silicon carbide on pump side) and IP68/IPX8 protection. Discharge: Compact 2" G (DN50) threaded outlet. Installation: Max immersion depth 20 m; supplied with a 10 m H07 RNF power cable. Applications: Septic tank emptying, industrial wastewater, residential sump drainage, and anywhere reliable solids handling and high head are required.