Electrical Motor Specs for Slitting Machine Recoiler - 2.5mm Steel Sheets Coil

[Eng_Luqman]

I have This Electrical Motor Used For Slitting Machine Recoiler For Slitting up to 2.5 mm Steel Sheets Coil :

Specifications
Electrical Motor :

OutPut 110 Kw 150 HP 600 RPM

80 VOLTS 213 Amper

Constant Torque : 60 600 RPM
Constant HP : 550 1800 RPM

I want to know what are those meaning ... those datas I found it on the name plate of the electrical motor .

Specially The Both Of (( Constant Torque )) And (( Constant HP ))

The first time I observe this kind of specifications on a motor name plate

Please send me your help as you can

Regards

 

[anorlunda]

I think they mean rated (or maximum) torque and power in the steady state.

A motor might have a peak power that exceeds this for a short time. The reason is that the real limitation is temperature, and it takes time for an overloaded motor to warm up.