SIEMENS
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Siemens D 31 · 2015
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Technical specifications
SINAMICS G120C compact inverters
0.55 kW to 18.5 kW (0.75 hp to 25 hp)
SINAMICS G120C compact inverters
1)
Non-filtered devices are designed for operation on IT systems or in
conjunction with an RCD. The customer must provide suitable RI
suppression equipment to ensure that these devices comply with the limits
defined for Category C3 or C2.
2)
Applies to industrial control panel installations to NEC article 409 or
UL 508A.
General technical specifications of the power electronics
System operating voltage
380 ... 480 V 3 AC +10 % -20 %
Grid requirement
Short-circuit power R
SC
No restriction
Input frequency
47 ... 63 Hz
Output frequency
• Control mode V/f
0 ... 650 Hz (due to legal requirements, the maximum output frequency is restricted to 550 Hz with firmware V4.7
and higher)
• Control type Vector
0 ... 240 Hz
Pulse frequency
4 kHz
for higher pulse frequencies up to 16 kHz,
see derating data
Power factor
λ
0.7 ... 0.85
Offset factor cos
ϕ
≥
0.95
Output voltage, max.
as % of input voltage
95 %
Overload capability
• Low overload LO
Note:
No reduction in base-load current
I
L
for use of overload.
1.5 × base-load current
I
L
(i. e. 150 % overload) for 3 s
plus
1.1 × base-load current
I
L
(i. e. 110 % overload) for 57 s within a cycle time of 300 s
• High overload HO
Note:
No reduction in base-load current
I
H
for use of overload.
2 × base-load current
I
H
(i. e. 200 % overload) for 3 s
plus
1.5 × base-load current
I
H
(i. e. 150 % overload) for 57 s within a cycle time of 300 s
Electromagnetic compatibility
• Devices without line filter
1)
• Devices with integrated line filter class A according to EN 55011
Cooling
Air cooling using an integrated fan
Installation altitude
Up to 1000 m (3281 ft) above sea level without derating,
1000 m (3281 ft)
see derating characteristics
Short Circuit Current Rating (SCCR),
max. according to UL
2)
40 kA
Protection functions
• Undervoltage
• Overvoltage
• Overload
• Ground fault
• Short-circuit
• Stall protection
• Motor blocking protection
• Motor overtemperature
• Inverter overtemperature
© Siemens AG 2014