Siemens 420 manual KHz 10 kHz 12 kHz 14 kHz 16 kHz

Issue 07/04 5 MICROMASTER 420 specifications

Table 5-2	Dimensions, required cooling air flow and tightening torques for power terminals
Frame			Dimensions						Required cooling air			Tightening torque for
Size										flow			power connections
A	W x H x D		mm		73 ⋅ 173 ⋅ 149				l/s	4.8			Nm		1.1
			inch		2.87 ⋅	6.81 ⋅		5.87	CFM	10.2			lbf.in		10
B	W x H x D		mm		149 ⋅	202 ⋅		172	l/s	24			Nm		1.5
			inch		5.87 ⋅	7.95 ⋅		6.77	CFM	51			lbf.in		13.3
C	W x H x D		mm		185 ⋅	245 ⋅		195	l/s	54.9			Nm		2.25
			inch		7.28 ⋅	9.65 ⋅		7.68	CFM	116.3			lbf.in		20
Table 5-3	Current reduction depending on pulse frequency
Mains voltage		Power (CT)					Output current in A with a switching frequency of:
		[kW]			4 kHz			6 kHz	8 kHz	10 kHz	12 kHz			14 kHz		16 kHz
1/3 AC 200 V		0.12 to 5.5		Factory setting 16 kHz – no derating necessary
3 AC 400 V		0.37		1.2				1.2	1.2	1.2	1.2			1.2		1.1
		0.55		1.6				1.6	1.6	1.6	1.6			1.6		1.1
		0.75		2.1				2.1	2.1	2.1	1.6			1.6		1.1
		1.1		3.0				3.0	2.7	2.7	1.6			1.6		1.1
		1.5		4.0				4.0	2.7	2.7	1.6			1.6		1.1
		2.2		5.9				5.9	5.1	5.1	3.6			3.6		2.6
		3.0		7.7				7.7	5.1	5.1	3.6			3.6		2.6
		4.0		10.2			10.2		6.7	6.7	4.8			4.8		3.6
		5.5		13.2			13.2		13.2	13.2	9.6			9.6		7.5
		7.5		19.0			18.4		13.2	13.2	9.6			9.6		7.5
		11.0		26.0			26.0		17.9	17.9	13.5			13.5		10.4

MICROMASTER 420	Operating Instructions
6SE6400-5AA00-0BP0	159