Siemens manual Micromaster 420 specifications Issue 07/04, Feature Specification

5 MICROMASTER 420 specifications Issue 07/04

Table 5-1	MICROMASTER Performance Ratings
Feature		Specification
Mains operating voltage		1 AC 200 V to 240 V ± 10 %		0,12 kW – 3,0 kW	(0,16 hp – 4,0 hp)
and		3 AC 200 V to 240 V ± 10 %		0,12 kW – 5,5 kW	(0,16 hp – 7,5 hp)
Power ranges		3 AC 380 V to 480 V ± 10 %		0,37 kW – 11,0 kW	(0,50 hp – 15,0 hp)
Input frequency		47 Hz to 63 Hz
Output frequency		0 Hz to 650 Hz
Power factor		≥ 0,7
Inverter efficiency		96 % to 97 %
Overload capability		50 % overload capability for 60 s within 5 min period referred to the rated output
		current
Inrush current		Less than nominal input current
Control method		Linear V/f Control; Linear V/f with Flux Current Control (FCC),
		Quadratic V/f Control; Multi-point V/f control
Pulse frequency		2 kHz to 16 kHz (2 kHz steps)
Fixed frequencies		7, programmable
Skip frequencies		4, programmable
Setpoint resolution		0.01 Hz Digital, 0.01 Hz Serial, 10 bit Analogue
		(motor potentiometer 0.1 Hz [0.1% (in PID mode)])
Digital inputs		3, programmable (isolated), switchable active high / active low (PNP/NPN)
Analogue input		1, (0 to 10 V) used for frequency setpoint or PI feedback signal, scalable or
		usable as 4th digital input
Relay output		1, programmable 30 V DC / 5 A (resistive), 250 V AC / 2 A (inductive)
Analogue output		1, programmable (0 mA to 20 mA)
Serial interface		RS-485, Option RS-232
Electromagnetic compatibility		Optional EMC filters to EN55011 Class A or B,
		also Internal Class A filters available
Braking		DC braking, compound braking
Protection level		IP20
Temperature range		-10 °C to +50 °C	(14 °F to 122 °F)
Storage temperature		-40 °C to +70 °C	(-40 °F to 158 °F)
Humidity		< 95 % RH – non-condensing
Operational altitudes		up to 1000 m above sea level without derating
Protection features		Undervoltage , Overvoltage, Overload, Ground Faults, Short circuit, Stall
		Prevention, Motor Blocking Protection, Motor Overtemperature, Inverter
		Overtemperature, Parameter Interlock
Standards		UL, cUL, CE, C-tick
CE Marked		Conformity with EC Low Voltage Directive 73/23/EEC
		and Electromagnetic Compatibility Directive 89/336/EEC

MICROMASTER 420	Operating Instructions
158	6SE6400-5AA00-0BP0