SIEMENS
Motors for converter operation
H-compact and H-compact PLUS
8/4
Siemens D 12 · 2012
8
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Overview
Water-cooled H-compact 1LH4 motors
Technical specification overview
Water-cooled H-compact PLUS 1RN4 and 1RN6 motors
Technical specification overview
H-compact 1LH4
Rated voltage
2.3 ... 4.16 kV
Rated frequency
50/60 Hz
Motor type
Induction motor with squirrel-cage rotor
Type of construction
IM B3, IM B35 and IM V1
Degree of protection
IP55
Cooling method
IC71W
Stator winding insulation
Insulation system,
thermal class 155 (F),
utilized to 155 (F)
Shaft height
500 mm
Bearings
Roller bearings
Cage material
Copper
Standards
IEC, EN
Frame design
Steel frame with water jacket
H-compact PLUS 1RN4 and 1RN6
Rated voltage
2.3 ... 6.6 kV
Rated frequency
50/60 Hz
Motor type
Induction motor with squirrel-cage rotor
Type of construction
IM B3, IM V1
Degree of protection
IP55
Cooling method
IC81W
Stator winding insulation
Insulation system,
thermal class 155 (F),
utilized to 155 (F)
Shaft height
450 ... 630 mm
Bearings
Roller bearings, sleeve bearings
Cage material
Copper
Standards
IEC, EN
Frame design
• Shaft height
450 ... 560 mm
Frame: Cast iron
Cooling enclosure: Steel
• Shaft height 630 mm
Frame: Steel
Cooling enclosure: Steel
© Siemens AG 2012