SMA MLX Series - Manual (Page 33)

Parameter MLX series
Electrical
Electrical Safety • IEC 62109-1/IEC 62109-2 (Class I, grounded – communication part
Class II, PELV)
• UL 1741 with non-Isolated EPS Interactive PV Inverters
• IEEE 1547
PELV on the communication and control card Class II
Functional
Functional Safety • Voltage and frequency surveillance
• DC content of AC current surveillance
• Insulation resistance surveillance
• Residual current monitoring
• UL1998
Islanding detection - loss of mains • Active frequency shift
• Disconnection
• 3-phase monitoring
• ROCOF/SFS
RCD compatibility 1) Type B, 600 mA
Table 5.2 Safety Specifications
1) Depending on local regulations.
5.2 Trip Settings
Illustration 5.1 Over-voltage and Under-voltage Disconnect
Nom. grid U
min
2
[V]
T_U
min
2
[s]
U
min
1
[V]
T_U
min
1
[s]
U
max
1
[V]
T_U
max
1
[s]
U
max
2
[V]
T_U
max
2
[s]
Nom. voltage 400 V Default 200.00 0.16 352.00 2.00 440.00 1.00 480.00 0.16
Range 160-240 0.1-3.0 300-380 0.5-3.0 420-480 0.5-3.0 440-520 0.1-3.0
Nom. voltage 480 V Default 240.00 0.16 423.00 2.00 528.00 1.00 576.00 0.16
Range 192-288 0.1-3.0 360-456 0.5-3.0 504-576 0.5-3.0 528-624 0.1-3.0
Table 5.3 Default Voltage Trip Levels and Trip Times
Technical Data
32 L00410644-01_2q / Rev. date: 2014-06-02
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