Siemens MICROMASTER 420 - Table 7-2 MICROMASTER Performance Ratings; Table 7-3 Wire Sizes & Terminal Torques - Field Wiring Connectors

7. MICROMASTER 420 SPECIFICATIONS International English
MICROMASTER 420 Operating Instructions 101
6SE6400-5AA00-0BP0
Table 7-2 MICROMASTER Performance Ratings
Feature Specification
Mains Operating Voltage
200 to 240 V ± 10% 1AC
200 to 240 V ± 10% 3AC
380 to 480 V ± 10% 3AC
Power Ranges
200 to 240 V ± 10% 1AC 0.12kW – 3.0 kW
200 to 240 V ± 10% 3AC 0.12kW – 5.5 kW
380 to 480 V ± 10% 3AC 0.37kW – 11.0 kW
FSA [W*H*D]
mm (inches)
FSB [W*H*D]
mm (inches)
FSC [W*H*D]
mm (inches)
Dimensions (Without Gland
Plate)
73
(2.87)
173
(6.81)
149
(5.87)
149
(5.87)
202
(7.95)
172
(6.77)
185
(7.28)
245
(9.65)
195
(7.68)
Protection Level IP20
Temperature Range
-10°C to +50°C
Storage Temperature
-40°C to +70°C
Humidity 95% RH – non-condensing
Operational Altitudes up to 1000m above sea level without derating
Control Method Linear V/f ; Quadratic V/f; Flux Current Control (FCC)
Overload Capability 1.5 * nominal output current for 60 seconds (every 300 seconds)
Electromagnetic Compatibility Optional EMC filters to EN55011 Class A or B, also Internal Class A filters
available
Protection features Undervoltage , Overvoltage, Ground Faults, Short circuit, Stall Prevention,
Locked Rotor, Motor Overtemperature, Inverter Overtemperature
Input frequency 47 to 63 Hz
Setpoint resolution 0.01Hz Digital, 0.01 Hz Serial, 10 bit Analogue
Pulse frequency 2kHz to 16kHz (2kHz steps)
Digital Inputs 3 programmable isolated) inputs, switchable active high / active low
(PNP/NPN)
Fixed frequencies 7 programmable
Skip Frequencies 4 programmable
Relay Outputs 1 programmable 30V DC / 5A (resistive), 250V AC 2A (resistive)
Analogue Input 1 (0/2 to 10V) used for frequency setpoint or PI feedback signal
Analogue Output 1 (0/4 to 20mA) programmable
Serial Interface Optional RS-232 and RS-485
Design/Manufacture In accordance with ISO 9001
Standards UL, cUL, CE, C-tick
CE Marked Conformity with EC Low Voltage Directive 73/23/EEC
and Electromagnetic Compatibility Directive 89/336/EEC
Power factor
≥0.7
Inverter efficiency 96 to 97 %
Inrush current Less than nominal input current
Braking DC braking, compound braking
Table 7-3 Wire Sizes & Terminal Torques – Field Wiring Connectors
Frame Size A B C
Tightening Torque (Nm)
1.1 1.5 2.25
Tightening Torque (lbf.in)
10 13.3 20
Recommended Minimum
Cable Cross Section (mm
2
)
11.52.5
Maximum Cable Cross
Section (mm
2
)
2.5 6 10
Recommended Minimum
Cable Cross Section (AWG)
18 AWG 16 AWG 14 AWG
Maximum Cable Cross
Section (AWG)
14 AWG 10 AWG 8 AWG