Table 7-2 Micromaster Performance Ratings; Table 7-3 Wire Sizes & Terminal Torques - Field Wiring Connectors - Siemens Micromaster 420 Operating Instruction
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- Operating instructions manual (190 pages) ,
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7. MICROMASTER 420 SPECIFICATIONS
Table 7-2
Feature
Mains Operating Voltage
Power Ranges
Dimensions (Without Gland
Plate)
Protection Level
Temperature Range
Storage Temperature
Humidity
Operational Altitudes
Control Method
Overload Capability
Electromagnetic Compatibility
Protection features
Input frequency
Setpoint resolution
Pulse frequency
Digital Inputs
Fixed frequencies
Skip Frequencies
Relay Outputs
Analogue Input
Analogue Output
Serial Interface
Design/Manufacture
Standards
CE Marked
Power factor
Inverter efficiency
Inrush current
Braking
Table 7-3
Frame Size
Tightening Torque (Nm)
Tightening Torque (lbf.in)
Recommended Minimum
2
Cable Cross Section (mm
)
Maximum Cable Cross
2
Section (mm
)
Recommended Minimum
Cable Cross Section (AWG)
Maximum Cable Cross
Section (AWG)
MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
MICROMASTER Performance Ratings
Specification
200 to 240 V ± 10% 1AC
200 to 240 V ± 10% 3AC
380 to 480 V ± 10% 3AC
200 to 240 V ± 10% 1AC
200 to 240 V ± 10% 3AC
380 to 480 V ± 10% 3AC
FSA [W*H*D]
mm (inches)
73
173
(2.87)
(6.81)
IP20
-10°C to +50°C
-40°C to +70°C
95% RH – non-condensing
up to 1000m above sea level without derating
Linear V/f ; Quadratic V/f; Flux Current Control (FCC)
1.5 * nominal output current for 60 seconds (every 300 seconds)
Optional EMC filters to EN55011 Class A or B, also Internal Class A filters
available
Undervoltage , Overvoltage, Ground Faults, Short circuit, Stall Prevention,
Locked Rotor, Motor Overtemperature, Inverter Overtemperature
47 to 63 Hz
0.01Hz Digital, 0.01 Hz Serial, 10 bit Analogue
2kHz to 16kHz (2kHz steps)
3 programmable isolated) inputs, switchable active high / active low
(PNP/NPN)
7 programmable
4 programmable
1 programmable 30V DC / 5A (resistive), 250V AC 2A (resistive)
1 (0/2 to 10V) used for frequency setpoint or PI feedback signal
1 (0/4 to 20mA) programmable
Optional RS-232 and RS-485
In accordance with ISO 9001
UL, cUL, CE, C-tick
Conformity with EC Low Voltage Directive 73/23/EEC
and Electromagnetic Compatibility Directive 89/336/EEC
≥0.7
96 to 97 %
Less than nominal input current
DC braking, compound braking
Wire Sizes & Terminal Torques – Field Wiring Connectors
A
B
1.1
1.5
10
13.3
1
1.5
2.5
6
18 AWG
16 AWG
14 AWG
10 AWG
0.12kW – 3.0 kW
0.12kW – 5.5 kW
0.37kW – 11.0 kW
FSB [W*H*D]
mm (inches)
149
149
202
(5.87)
(5.87)
(7.95)
C
2.25
20
2.5
10
14 AWG
8 AWG
International English
FSC [W*H*D]
mm (inches)
172
185
245
(6.77)
(7.28)
(9.65)
101
195
(7.68)
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