4MS

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MATRA Water Pump \| Submersible Motors
	Other Models: 4MS SERIE SM SERIE S 95-S 100 SERIE	4PS 100 SERIE S6 SERIE S6 X SERIE
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4" Submersible Motors

Features

Asynchronous motor with short-circuit rotor for single and three-phase current. Filled with non-polluting dielectric oil for proper lubrication and cooling. It rotates on properly sized ball bearings. Oil-bath winding (vegetable, dielectric, atoxic and non pollutant oil) ensuring the cooling and lubrication of all components. Rotor shaft on ball bearings of adequate size able to stand axial thrusts from 2000 to 6000 N, depending on the model. On motors with power over 2.2 kW; the thrust bearing is installed on the lower bracket. Hermetic sealing ensured by a mechanical seal provided with sand splash guard, oil volume increase offset by a membrane made of special rubber.
All components in contract with the water are corrosion resistant.

Materials

External shell and shaft extension of stainless steel AISI 304.
Upper and lower bracket covers of stainless steel AISI 304.
Cast iron brackets
Graphite-alumina-ceramic mechanical seal.

Motor

Asynchronous, 2 poles, 50 Hz (n=2900 rpm), cooled and lubricated by non pollutant atoxic oil.
Class F insulation
Single-phase feeding 220/230V up to 2.2 kW with protection at user's care
Three-phase feeding 380/400V up to 5.5 kW with protection at user's care.
Different voltage and frequency available on request

Operating Conditions

Maximum water temperature 30°C
Maximum immersion depth 123 m

Model

Details...

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