4" Oil Cooling Submersible Motor, NEMA Standard, Class B, IP68 ... 380-440V, 50/60Hz Available. 4" Oil Cooling Submersible Motor, Submersible Motor, Oil Cooling Submersible Motor, pump motor BASIC CHARACTERS ... upper and bracket. Pressure automatic adjusting device made of oil and waterproof reformed butyl rubber. Flange connector under the ... 0kW); 2.5m(5.5kW); 3m(7.5kW) 4" Oil Filled Submersible Motor