PM Technology 4″ 4OM Oil-Filled Submersible Motor – 0.37 kW, 400V three-phase

PM Technology 4OM 4-inch rewindable oil-filled submersible motor, listed in the TESK South Africa August 2026 catalogue.

• TESK listed power: 0.37 kW / 0.5 HP
• Supply: 400V three-phase
• TESK stated maximum submersion: 200 m

PM Technology specifies the 4OM range for clean-water wells of 4 inches or larger, with 4-inch NEMA connection, AISI 304L stainless-steel sleeve, removable approved cable connector and sand-guard protection. The current manufacturer page specifies IP68, Class F, max liquid temperature 35°C, minimum cooling flow 0.1 m/s and up to 30 starts per hour.