Toshiba M253WTQL11F-CF is a 1250 HP 3600 RPM 4000 V WP-II (Weather Protected Type II) medium voltage three-phase induction motor. Designed for general duty applications requiring high power and weather protection, this motor operates at 60 Hz and features a WP-II enclosure for outdoor installation in demanding environments.

 Design SCIM General Duty
Model M253WTQL11F-CF
Service
Duty Continuous (S1)
Mounting Horizontal Foot (IMB3)
Quantity 1
HP Rating 1250 HP
Speed 3600 RPM
Phase-Hz-Volts 3-60-4000 V
Enclosure WP-II
Motor IP Rating IP24W
Estimated Frame Size 5809/10/11USS
Service Factor 1.15
Bearing Construction Split Sleeve
Bearing Lubrication VG32 Turbin Oil
Rotor Construction Copper Bar
Insulation Class Class F - VPI Epoxy resin
Vibration level NEMA
Sound @ No-Load dB(A) 90
Ambient Temperature -20 to 40 deg C
Temperature Rise B @ 1.0 SF by RM
Altitude <= 1000 M asl
Coupling Method Direct Coupled
Load Inertia < ⅟₃ NEMA
Rotation Uni-dir. (CCW from NDE)
Starting Method DOL / 80% RV
Starting duty 2 Cold / 1 Hot starts
Hazardous Area Safe area (Non hazardous)
Certifying body CSA
Applicable Standards NEMA MG1 / IEEE112 / CSA

Features (All motors, unless otherwise indicated)
Motor Only Offering:
Main Terminal Oversized Box : NEMA TYPE I Cast Terminal Box - 4.0" NPT
> Main Terminal Box - NEC Ground Lug
> Rated IP55
• Insulation System Capable of Withstanding an Immersion Test in Accordance with NEMA MG-1 31
• Stator: Class F VPI insulation
• Stator: Heavy Duty Bracing
• Assembly: NEMA F-1 Assembly
• Space Heater, 120 V Single Phase
• Stator RTD's - Feature: (6) 100 Ohm Platinum DIN Standard, 2/phase, 3-wire
• Bearing RTD's Provisions, 1/brg
• Auxiliary Terminal Box(es) (F1 Location): Separate boxes, 1 space heater .75" NPT and 1 temp instrumentation leads 1.25" NPT
• Insulated Bearing - Non-Drive End & Drive End
• Shaft Dimensions - 4140/42 Materials
• Dowel Pin Provisions
• Vertical Jacking Provisions
• Severe Duty, Corrosion-Resistant, Rust-Inhibitive Paint System on Frame (RAL 6012).
• Standard Non-Witnessed Routine Testing per IEEE-112 Method:
A Standard Routine Test includes the following:
No-Load Current
No-Load Watts Input
No-Load Speed
Winding Resistance
High-Potential Test (Dielectric Test)
Locked-Rotor Current
Locked-Rotor Watts Input
Visual Inspection
Vibration Check - Overall Vibration Displacement Measurements Tested Per NEMA MG1-12