Lenze i550 - Page 108

Comparison of integrated and external RFI lters
RFI
lters Filter types
Integrated in the inverter External
Low Leakage Short Distance Long Distance
Use In standard applicaons. In mobile systems. With short cable length. At switching frequencies
4 kHz and 8 kHz.
Opmisaon Easy use. For low leakage current. For low leakage current. For long motor cable.
Reduces noise emissions Cable-guided and radiated Cable-guided Cable-guided Cable-guided
Maximum motor cable lengths and FI operaon
Mains connecon 1-phase, 230 V
Inverter i550-C0.25/230-1 i550-C0.55/230-1 i550-C1.1/230-1
i550-C0.37/230-1 i550-C0.75/230-1 i550-C1.5/230-1
i550-C2.2/230-1
Without RFI lter
without EMC cat-
eg
ory
Thermal limitaon
Max. motor cable
length shielded
m 50 50 50
Max. motor cable
length unshielded
m 100 100 200
With integrated RFI lter
Category C1 Max. motor cable
length shielded
m 3 3 3
Category C2 m 15 20 20
Earth-leakage circuit
breaker
mA 30 30 30
RFI lter Low Leakage
Category C1 Max. motor cable
length shielded
m 5 5 5
Earth-leakage circuit
breaker
mA 10 10 10
RFI lter Short Distance
Category C1 Max. motor cable
length shielded
m 25 25 25
Category C2 m 50 50 50
Earth-leakage circuit
breaker
mA 30 30 30
RFI lter Long Distance
Category C1 Max. motor cable
length shielded
m 50 50 50
Category C2 m 50 50 50
Earth-leakage circuit
br
eaker
mA 300 300 300
Accessories
RFI
lters / Mains lters
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