PURCHASE OF MILL VFD PANEL FOR 450KW MOTOR

Motor Duty Class IV- Accordingly VFD to be selected • VFD Rating: 560 kw (Suitable for Constant Torque) • Input Supply: 415V, 3Phase, 50 Hz • VFD Rated Current: 1035A Minimum • VFD Type: 6 Pulse • The VFD should be rated for minimum 1035A at 50 Deg C Ambient Temp. and after derating for 4 khz switching frequency for smooth operation of motor at entire speed range (VFD sizing/Derating Calculation to be provided to match this specification and motor overload class) • Overload class-IV for Mill application: 150% Overload for 1 Hour 200% Overload for 120 Sec Scope of Supply • IP-42 floor mount panel, RAL 7035, bottom cable entry, (Make: Rita/BCH/Eldon/VFD OEM) • LCD Graphical HMI on Panel Door • Input ACB-1250A MDO Type, 3 Phase • Multi Function Meter • External input/DC Choke- 3% impedance for Harmonic Suppression • VFD Output Filter- LC Filter/Choke- Minimum 3% Impedance • AC VFD Module withRS 485 Modbus Communication, AI- 3 Nos, AO- 3 Nos & Relay Output – 3 Nos. • VFD Start/Stop/Reset Push button on panel door • VFD Speed inc-Dec push button on panel door • RYB/Run/Trip indication • Control wiring should be from Tin Platted Copper cable to avoid corrosion. (Control function shall be suitable for Mill application) • Local/Remote/DCS Selector switch (One AI/2 AO/ 3 DO/2 DI for DCS operation) • Galvanic Isolators for all 3 Analog input & Outputs • Auxiliary contractor- (Relays are not acceptable) • Back Curved high speed Cooling fan with MCB • Control supply transformer with MCB • Temperature Scanner -8 Window for Mill Motor • Common mode Filter for reduces motor bearing noise and bearing current, thereby increasing motor bearing life. • DOL Starter for Motor cooling with MPCB • Panel space heater with thermostat • Panel light with door switch LCS/Remote Station • IP55 Enclosure • Start/Stop Push buttom, VFD Run/ Trip Indication) & FWD/REV Switch • RPM Meter- 0 to 1500 RPM Make: Amtech, ABB, Delta & CG Note: Your Organization is responsible for the installation, commission and operation of the drive for the crushing season 2026-27

Motor Duty Class IV- Accordingly VFD to be selected • VFD Rating: 630 kw (Suitable for Constant Torque) • Input Supply: 415V, 3Phase, 50 Hz • VFD Rated Current: 1190A Minimum • VFD Type: 6 Pulse (Control= DTC & safety= STO) • The VFD should be rated for minimum 1190A at 50 Deg C Ambient Temp. and after derating for 4 khz switching frequency for smooth operation of motor at entire speed range (VFD sizing/Derating Calculation to be provided to match this specification and motor overload class) • Overload class-IV for Mill application: 150% Overload for 1 Hour 200% Overload for 120 Sec Scope of Supply • IP-42 floor mount panel, RAL 7035, bottom cable entry, (Make: Rita/BCH/Eldon/VFD OEM) • LCD Graphical HMI on Panel Door • Input ACB-1250A MDO Type, 3 Phase • Multi Function Meter • External input/DC Choke- 3% impedance for Harmonic Suppression • VFD Output Filter- LC Filter/Choke- Minimum 3% Impedance • AC VFD Module withRS 485 Modbus Communication, AI- 3 Nos, AO- 3 Nos & Relay Output – 3 Nos. • VFD Start/Stop/Reset Push button on panel door • VFD Speed inc-Dec push button on panel door • RYB/Run/Trip indication • Control wiring should be from Tin Platted Copper cable to avoid corrosion. (Control function shall be suitable for Mill application) • Local/Remote/DCS Selector switch (One AI/2 AO/ 3 DO/2 DI for DCS operation) • Galvanic Isolators for all 3 Analog input & Outputs • Auxiliary contractor- (Relays are not acceptable) • Back Curved high speed Cooling fan with MCB • Control supply transformer with MCB • Temperature Scanner -8 Window for Mill Motor • Common mode Filter for reduces motor bearing noise and bearing current, thereby increasing motor bearing life. • DOL Starter for Motor cooling with MPCB • Panel space heater with thermostat • Panel light with door switch LCS/Remote Station • IP55 Enclosure • Start/Stop Push buttom, VFD Run/ Trip Indication) & FWD/REV Switch • RPM Meter- 0 to 1500 RPM Make: Amtech, ABB, Delta & CG Note: Your Organization is responsible for the installation, commission and operation of the drive for the crushing season 2026-27

Motor Duty Class IV-Accordingly VFD to be selected • VFD Rating: 630kw (Suitable for Constant Torque) • Input Supply: 415V, 3 Phase, 50 Hz • VFD Rated Current: 1190A Minimum • VFD Type: 6 Pulse • The VFD Should be rated for minimum 1190A at 50 Deg C Ambient Temp. and after derating for 4 khz switching frequency for smooth operation of motor at entire speed rang ( VFD sizing/Derating Calculation to be provided to match this specification and motor overload Class) • Overload Class-IV for Mill Application: • 150% Overload for 1 Hour • 200% Overload for 120 Sec (Control= DTC & Safety= STO) Make: Amtech, ABB, Delta & CG

Motor Duty Class IV-Accordingly VFD to be selected • VFD Rating: 560kw (Suitable for Constant Torque) • Input Supply: 415V, 3 Phase, 50 Hz • VFD Rated Current: 1035A Minimum • VFD Type: 6 Pulse • The VFD Should be rated for minimum 1035A at 50 Deg C Ambient Temp. and after derating for 4 khz switching frequency for smooth operation of motor at entire speed rang ( VFD sizing/Derating Calculation to be provided to match this specification and motor overload Class) • Overload Class-IV for Mill Application: • 150% Overload for 1 Hour • 200% Overload for 120 Sec (Control= DTC & Safety= STO) Make: Amtech, ABB, Delta & CG