Integral DC Tach Permanent Magnet SCR Drive Motor - TENV and TEFC, Rigid Base with C-Face 

1/4 thru 5 Hp NEMA 56C thru 1810ATC

Applications: Conveyors and metering pumps (precise speed regulation).

Features: Provides an integral 50 VDC per 1000 RPM precision tachometer for closed loop drive system. Class F insulation. 20:1 constant torque speed range with NEMA Type K control. 3300P motors are TENV, all others are TEFC.