IEC,NEMA Standard VHS Vertical Hollow Shaft Motor
1.Application
Designed primarily for deep well turbine pump applications.The coupling is equipped with a non-reverse ratchet,which prevents motor rotation from backspinat shut down.These motors are built to NEMA standards and have special bearing arrangements to carry heavy thrust loads.
 
2.Operation conditions
Ambient temperature 
---between -4°F(-20°) and 104°F(40°) 
Altitude 
---3300ft(1000m) above sea level and below
 
3.Features
·ThreePhase Squirrel-Cage motor 
·Rating-7.5HP Up to 500HP 
·Synchronous Speed: 1800RPM 
·Pole number:2,4,6
·Voltage and frequency 
--230V/460V,460V 60HZ 
 
4.Mechanical:
·Open Dripproof(WP-1)Enclosure 
·ProtectionDegree:IP20,IP23,IP55
·Frame sizes-213TP~5008P (160-355mm)
·Ball bearing type Non-ReverseRatchet Included 
·Oversized angular contact bearing and ball bearing 
·Hing thrust design.Higher thrust load required
·Large reservoir"oil bath" 
·Space heaters as standard 
·Thermal protection as standard 
·Light weight hood for easy access 
·Optimal ventilation 
·Cast iron construction 
·Lubrication for angular contact bearing 
--Up to 286TP:grease 
--324TP and above:oil 
·Quietrunning and low vibration

5.Technical parameters:

IEC Standard VHS Vertical Hollow Shaft Motor

Model	Rated power		Rated current	Rated voltage	Rated frequency	Speed	Eff.
	Kw	Hp	A	V	Hz	R/min	%
VHS132-1-2	5.5	7.5	11/10.8	380	50	3000	83.8
VHS132-2-2	7.5	10	14.4/14.5	380	50	3000	84.8
VHS160-1-2	11	15	22.5/22	380	50	3000	84.5
VHS160-2-2	15	20	30	380	50	3000	85.5
VHS160-1-4	11	15	23/22.5	380	50	1500	86.5
VHS160-2-4	15	20	30	380	50	1500	87.5
VHS180-1-2	18.5	25	36	380	50	1500	87
VHS180-1-4	18.5	25	37	380	50	1500	88
VHS180-2-2	22	30	43/42.5	380	50	1500	87.5
VHS180-2-4	22	30	43.5/43	380	50	1500	88.5
VHS200-1-4	30	40	58/58.5	380	50	1500	89.5
VHS200-2-4	37	50	72/71	380	50	1500	90
VHS200-3-4	45	60	85/85.5	380	50	1500	90.5
VHS250-1-4	55	75	105.5/103.5	380	50	1500	91
VHS250-2-4	75	100	139.5/140	380	50	1500	91.5
VHS250-3-4	90	125	173/167.5	380	50	1500	91.5
VHS280-1-4	110	150	205.5/202	380	50	1500	92
VHS280-2-4	132	175	238/241	380	50	1500	92.5
VHS280-3-4	150	200	275/276	380	50	1500	92.5
VHS280-4-4	185	250	348/345	380	50	1500	92.5
VHS280-5-4	200	270	374/371	380	50	1500	93
VHS280-6-4	220	300	415/408	380	50	1500	93