Low Voltage Motors: Rerolling Mill Duty Motor

Overview

FEATURES	VALUES/ STANDARDS
Ambient Temperature	0 to +45Â°C
Altitude	Not exceeding 1000mtrs above mean sea level.
Atmosphere	Non corrosive & non hazardous
Relative Humidity	Up to 100%
Voltage	415VÂ±10% (Can also be offered upto 650V)
Frequency	50Hz. Â±5%
Combined Variation	Any combination of voltage and frequency

FEATURES	VALUES/ STANDARDS
Starting	Stator Rotor Starter/Liquid Rotor Starter
Permissible starts/hr.	2 Hot Or 3 Cold or 4 Equally spread
Loading at reduced volts	These motors are designed to run at 75% of rated supply voltage for a duration of five minutes.
Insulation / temp.rise	Class F/F
Temp rise Stator/Rotor	Class B/F
Direction of rotation	Bi-directional
No. Of leads	TR 5&6 > ST: 6 and RT: 3 Rest 3 / 3
Degree of protection	IP23
Method of cooling	IC01
T.box position	Left hand side when viewed from non-drive end, reversible assembly at site is not possible.
Terminal box arrangement	For KCW 450 & 500: Stator â€“ 43506201, Rotor â€“ 43521599. For KCW 560: Stator â€“ 41102205, Rotor â€“ 43506101. Terminal box rotatable through 3600 in steps of 180Â° (i.e cable entry possible from top or buttom)
Bearing life(90% survival basis)	Lithium based grease to “Grade 3” as per IS: 7623 for 4 pole & above motors.
Lubricant	Direct drives: 40,000 working hours.(Based on 90% survival life)
Vibration	Normal class as per IS: 12075.
Noise	As per IS: 12065.
Shaft extension.	Single cylindrical extension as per IS: 1231.
Body material	Mild Steel
T.box material	Mild Steel
Fan material	Mild Steel
Accessories	Refer to Kirloskar Electric engineering department.
Paint & shade	Epoxy “RAL BLUE” to shade plate K-102
Bearing type and Greasing facility	Antifriction rolling contact (Ball & Roller) Online greasing facility for all frames