M42x30/I-211102 Electric Motor Datasheet

	Manufacturer typenumber	M42x30/I-211102
	Manufacturer brand	KAG
	Commutation	brush
Performance data
	Maximum rated output power motoraxis	P_rated [W]	25.900
	Nominal terminal voltage	U_nom [V]	12.000
	Motorconstant at standard temp. 22 ^oC	k [^Vs/_rad or ^Nm/_A]	2.728e-2
	Maximum torque at standstill at nominal voltage	T_stall [Nm]	0.334
	Maximum theoretical velocity motoraxis at no load (and no friction of motor and reduction) and nominal voltage	ω₀ [^rad/_s]	439.823
	Maximum voltage allowed to prevent sparking due to brushed commutation	U_max [V]	12.000
	Maximum output power equal to ¹/₄T_stallω₀	P_max [W]	38.265
Mechanical data
	Inertia of rotor	J_rotor [kgm²]	1.000e-5
	Maximum acceleration at standstill if no load or reduction is attached	max. accel [^rad/_s2]	3.344e+4
	Constant friction torque of motor on motoraxis	T_fric [Nm]	0.014
	Mechanical timeconstant	τ_mech [s]	1.264e-2
Electrical data
	Resistance windings at standard temp. 22 ^oC	R [Ω]	0.941
	Slope of the motor	S [^Nms/_rad]	7.912e-4
Thermal data
	Maximum allowed temperature of windings	Θ_max [^oC]	100.000
	Maximum continuous current (thermal limit) at surround temp. 22 ^oC and at stillstand	I_{max, thermal} [A]	2.832
	Thermal resistance between rotor and ambient	R_th,total [^K/_W]	7.910
Magnet data
	the material of the magnet	magnetmaterial	unknown
	degrading of the magnetic flux density in percent per ^oC or K	TK_Br [%/K]	-2.000e-1

Remarks:

The vendor has not provided magnetmaterial. The derating for the magnetstrength is not given so 'worst case' is used of -0.2%/K. The maximum allowed temperature is not given so 'worst case' is used of 373 K. The thermal resistance R_th,total is determined from given stallcurrent and derived winding resistance R. This means that the calculated temperature may be inaccurate.
The winding resistance R is determined from the steepness of the motor so the value may not be accurate. This means that the calculated current and voltage may be inaccurate.
C_th,total is not provided. This means that the time when thermal stability occurs can not be calculated.
The vendor has not provided information about a heatsink for the given thermal information.

The quality and completeness of the supplied information has quality index: D

This quality index is determined by specAmotor.com. Here is described what the quality index is.