Koffler Electrical Mechanical Apparatus Repair, Inc. - Leeson Three Phase TEFC Rigid Base JM Pump Motors

Three Phase
TEFC
Rigid Base

JM Pump Motors
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.

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Unit of Measure

Items	121855 Leeson Three Phase TEFC Rigid Base JM Pump Motors Request Quote	121858 Leeson Three Phase TEFC Rigid Base JM Pump Motors Request Quote	121856 Leeson Three Phase TEFC Rigid Base JM Pump Motors Request Quote	121859 Leeson Three Phase TEFC Rigid Base JM Pump Motors Request Quote	121857 Leeson Three Phase TEFC Rigid Base JM Pump Motors Request Quote
Base	N/A Rigid Base
Enclosure Type	N/A Totally Enclosed Fan Cooled
Phase	N/A Three
HP	N/A 1	N/A 1 1/2	N/A 1 1/2	N/A 2	N/A 2
RPM 60 Hz	N/A 1740	N/A 3450	N/A 1740	N/A 3450	N/A 1740
Voltage	N/A 208 V230 V460 V
FL Amps 230 V	N/A 3.6	N/A 4.6	N/A 4.8	N/A 6.0	N/A 5.8
% FL Eff.	N/A 77.0	N/A 80.0	N/A 80.0	N/A 80.0	N/A 82.5
NEMA Frame	N/A 143JM	N/A 143JM	N/A 145JM	N/A 145JM	N/A 145JM
Disc. Sym.	N/A B
C Dimension	N/A 14.50 in	N/A 14.50 in	N/A 14.50 in	N/A 14.50 in	N/A 16.00 in
Approx. Weight	N/A 30 lbs	N/A 31 lbs	N/A 35 lbs	N/A 33 lbs	N/A 43 lbs
NEMA Service Factor	N/A 1.15
Frame Construction	N/A
Rating	N/A Inverter Rated
Drip Cover Kit Ref.	N/A B
Manufacturer	N/A Leeson
Mechanical Features	N/A Totally enclosed fan cooled construction for maximum life in dirty or severe environments. Oversized locked bearing on shaft end limits axial shaft movement. Drip covers are available as accessory kits for 143-5JM and 182-4JM motors-see letter designations in the table for the correct kit. Some 182-4JM frame motors have enclosed endshields as standard with frame vents meeting the 12º drip-proof requirement. No drip cover is needed, or shown in the table, for these motors.
Electrical Features	N/A High efficiency copper windings with NEMA 1.15 service factors. UL and CSA recognized designs.