AC JM Pump Motors - Single & Three Phase
 

 
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JM PUMP AC MOTORS
SINGLE & THREE PHASE

Click to enlarge!

SINGLE PHASE • DRIP-PROOF
RIGID BASE
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THREE PHASE DRIP-PROOF
RIGID
BASE
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THREE PHASE TEFC RIGID BASE
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General Specifications:
Designed for continuous duty service on close-coupled pumps using NEMA JM mounting provisions. All motors have a rigid mounting base and NEMA JM pump shaft.

Mechanical Features:
Open drip-proof construction with cooling air exhausts at the shaft end for maximum cooling. Oversized locked bearing on shaft end limits axial shaft movement. A drip cover is supplied with 143-5T and 213T steel frame motors, for use when mounting the motor vertically with rigid base. Drip covers for 182-4T frame motors are also available as an accessory item. LEESON 182-4T frame motors have enclosed endshields as standard with vents meeting 12° drip-proof requirement.

Electrical Features:
High efficiency copper windings with NEMA 1.15 service factors. UL and CSA recognized designs.



LEESON's Inverter Rated Insulation system (IRIS™)
provides superior protection against voltage spikes induced by variable frequency drives. This total insulation system protects better than spike-resistant magnet wire alone. Specially formed phase insulation, cushioned and sleeved connections (from the leads all the way into the turns), and deep-penetrating, non-hygroscopic, high temperature varnish are just a few features contributing to extra protection. All this plus second generation spike-resistant magnet wire. The IRIS™ total insulation system is standard at no extra cost in all LEESON stock NEMA three-phase motors, 1 HP and larger.

 

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