GR3 NEMA Premium JM/JP Pump Series

1 - 75HP, Premium Efficient, Three Phase, TEFC
Catalog Section (JM/JP) Premium
NEMA Wiring Diagrams
User Manual

Definite Purpose Product Overview 

Three phase, enhanced performance closed coupled pump motors. Cast aluminum 215JM/JP and below, cast iron 254JM/JP and above, NEMA Premium Efficient. Features a multi-mount arrangement incorporating bolt on feet and flange mount configuration. 2, 4 and 6 pole, 1 to 75HP.

Basic Specifications

Standard Features

Operating Parameters


Up to and including 215JM/JP frame:

254 JM/JP Frame and Larger:

Ingress Protection

The standard degree of enclosure protection is IP55 (increased IP protection is available). Both drive end and non-drive end are fitted with double lip oil seals, including a rubber shaft slinger on the drive end. Conduit box lid is sealed with a fitted rubber gasket. DE/NDE endbell fitted with sintered brass one-way drain.

Insulation and Inverter Rating

  • Class F Insulation 
  • Designed to Class B temperature rise
  • Vacuum Impregnated         
  • Inverter Rated 1000:1 Variable Torque (1.0 S.F. on VFD Power) per NEMA MG 1 part 31 Standards