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For rigid base explosion proof motors, emphasizing rigid base aims at distinguishing them from explosion proof motors with C face. Rigid base explosion proof motors are footed motors to be installed horizontally on the floor or vertically on the wall with their feet.
Rigid base explosion proof motors can be designed to include general purpose, severe duty and inverter duty.
Rigid base explosion proof motors have the following features.
Cast iron frame - Rigid base
1 HP-500 HP
Synchronous peed: 3600, 1800, 1200 and 900 RPM
208-230/460V , 60Hz
TEFC enclosure - IP55 protection
Certified for Class I, division 1, group C, D, Class II, division 1, group F & G; Class I, division 2, group A, B, C, D.
Class F insulation
1.15 service factor
Rigid Base Explosion Proof Motors - Ratings VS Frames
Rigid Base Explosion Proof Motors - Driving End
Rigid Base Explosion Proof Motors - Left Hand Side and Terminal Box
Rigid Base Explosion Proof Motors - Right Hand Side and Fan Cover