General Rating | MV/HV motors for hazardous and safe areas |
Output | 185-20000kW |
Frame size | H315-630 |
Speed | 3000, 1500, 1000, 750, 600, 500, 428, 375, 300 RPM |
Mechanical Protection | Air to air cooling, IP 55 enclosure as standard. |
Torque Design | N Design |
Voltage | 3/3.3/4.16/5.5/6/6.6/10/11/13.8kV, 50/60Hz, |
Certification | IECEx/ATEX certificate for hazardous area. |
Frequency | Dual frequency 50/60Hz, VFD as option. |
Server Factor | Service factor 1.0 as standard, |
Duty | S1/Continuous. |
Enclosure | Fabrication steel enclosure including frame, end-shield, terminal box. |
Mounting | B3, B35 or V1. |
Anti-corrosion | Epoxy anti-corrosion coating on all internal metal surfaces |
Ambient Temperature | Ambient temperature -40 to +60 deg C as standard. |
Sea Level | Sea level 1000m as standard. |
Bearing and Lubrication | Sleeve bearings for H500 & above 2pole and H630 4pole motors , anti-frication bearings for others. The pressure grease relief valve enabling re-lubrication of the bearings without stopping the motor. |
Vibration | As per 60034-14. |
Gas groups | IIA/IIB/IIC, both Zone 1 & 2, |
Temperature group | T3 as standard. |
Grounding | Grounding provisions inside terminal box plus external grounding provisions on frame |
Nameplate | Stainless steel engraved nameplate with nominal efficiency and power factor data included |
Variable Frequency(If required) | 0-60Hz for 2pole 50Hz motors. |
0-100Hz for 4pole and above 50Hz motors. |
Stator | 20 years design life. |
High quality low losses silicon electrical steel. |
Class F insulation system with Class B temperature rise, VPI treated. Class H insulation available on request; |
Temperature rise class B |
Rotor | Die cast aluminum rotor as standard and cooper bar rotor as option, dynamically balanced. |
High quality round steel shaft. Special steel available on request. |
Non sparking fan |
Low vibration/noise; |
Terminal box(es) | Oversized to facility cable connection; |
Rotatable 90 degrees; |
Test | Standard type/routine test on each motor. |
Coating | Standard epoxy paint, others be available on request. |
Variable colors |