North American Electric V2-250S4-W44516A-EHT
250 HP, 1800 RPM, 445TP Frame, 460V, 3PH, NEMA Design B, 60HZ, 1.15 S.F., WP1,Vertical Hollow Shaft Motor, Cast Iron, Prem Eff, Inverter Duty, Extra High Thrust, includes 1.938 Coupling

Applications
Deep well turbine pump applications; Coupling equipped with a non-reverse ratchet, which prevents motor rotation from backspin at shutdown; Motors are built to NEMA standards; Special bearing arrangements to carry heavy thrust loads; Suitable for use with variable frequency drives

Performace
Service factor: 1.15 @ 60 Hz; NEMA Design B Performance; High/ Extra High Thrust; Oil bath with large reservoir; Light weight hood for easy access lifting provisions

Proctection
Class F insulation system; Class B rise at full load; Class H vacuum pressure impregnation (VPI) resin for all windings; Stainless steel nameplate and zinc plated hardware, corrosion resistant epoxy paint; Enclosure: WP1-open weather-protected machine type 1; Cast iron/ plate steel frame construction; Space heaters; Thermal protected; Insulated bearing mounts

Reliability
Oversized angular contact bearing and ball bearing; High thrust (10 HP250 HP); Extra high thrust/ double stacked bearing available (100-500 HP); Non-reverse ratchet (ball type); 2-year warranty

Ratings
40 C ambient continuous duty; Dual voltage ratings suitable for part wind start on 230V; single voltage ratings are suitable for part wind start at 230V; Inverter duty with windings rated for 2200V peak voltage spike

Product Group	Special Purpose
Product Family	Vertical Hollow Shaft
HP	250
RPM	1800
Frame	445TP
Enclosure	WP1
NEMA Design	B
F.L. Eff.	95.8
F.L. AMPS	276
Manufacturer	North American Electric

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