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Recommended line-side power components

Selection and ordering data

The following tables list recommendations for additional line-side components, such as fuses and circuit breakers. The values in the table take into account the overload capability of the inverter.

Notes for use in compliance with IEC standards:

3NA3 or 3NE1 fuses and 3RV motor starter protectors or 3VL circuit breakers are recommended for European countries.

Notes for use in compliance with UL regulations:

UL-listed fuses Class J, T, CC, G or CF (with rated voltage 250 V AC or 600 V AC) or 3NE1 (UL-compliant – corresponds to RU) are required for North America.

Short Circuit Current Rating (SCCR)
according to UL
Applies to industrial control panel installations to NEC Article 409 or UL 508A/508C

PM230: 65 kA (variants with IP20 degree of protection)
PM240-2: 100 kA (200 V versions), 100 kA (400 V versions), 65 kA (690 V versions)
(the value depends on the fuses and circuit breakers used)
PM240: 65 kA
PM250: 40 kA (frame size FSC), 42 kA (frame sizes FSD to FSF)

Notes regarding installations in Canada:

Overvoltage protection devices in accordance with overvoltage category III and with the following ratings must be connected on the line side of the inverter:

Rated voltage 480 V (phase-phase) and 480 V (phase-ground)
Voltage limit 4 kV (phase-phase) and 6 kV (phase-ground)

All overvoltage protection devices used must comply with Canadian standards for industrial installations.

Further information, particularly regarding use in accordance with UL guidelines, is available at
https://support.industry.siemens.com/cs/document/109479152

Additional information about the line-side power components can be found in Catalogs LV 10, IC 10 and IC 10 AO as well as the Industry Mall.

Rated power ¹⁾		PM230 Power Module degree of protection IP20 standard variant		IEC-compliant		UL/cUL-compliant
				Fuse		Fuse	Fuse type Rated voltage 600 V AC
		Type		Current	Type 3NE1 (RU)	Type 3NE1 (RU)		Current
kW	hp	6SL3210-...	Frame size	A	Article No.	Article No.	Class	A
380 ... 480 V 3 AC
0.37	0.5	1NE11-3 . L1	FSA	16	3NE1813-0	3NE1813-0	J	15
0.55	0.75	1NE11-7 . L1	FSA	16	3NE1813-0	3NE1813-0	J	15
0.75	1	1NE12-2 . L1	FSA	16	3NE1813-0	3NE1813-0	J	15
1.1	1.5	1NE13-1 . L1	FSA	16	3NE1813-0	3NE1813-0	J	15
1.5	2	1NE14-1 . L1	FSA	16	3NE1813-0	3NE1813-0	J	15
2.2	3	1NE15-8 . L1	FSA	16	3NE1813-0	3NE1813-0	J	15
3	4	1NE17-7 . L1	FSA	16	3NE1813-0	3NE1813-0	J	15
4	5	1NE21-0 . L1	FSB	25	3NE1815-0	3NE1815-0	J	25
5.5	7.5	1NE21-3 . L1	FSB	25	3NE1815-0	3NE1815-0	J	25
7.5	10	1NE21-8 . L1	FSB	25	3NE1815-0	3NE1815-0	J	25
11	15	1NE22-6 . L1	FSC	50	3NE1817-0	3NE1817-0	J	50
15	20	1NE23-2 . L1	FSC	50	3NE1817-0	3NE1817-0	J	50
18.5	25	1NE23-8 . L1	FSC	50	3NE1817-0	3NE1817-0	J	50
22	30	1NE24-5 . L0	FSD	63	3NE1818-0	3NE1818-0	–	–
30	40	1NE26-0 . L0	FSD	80	3NE1820-0	3NE1820-0	–	–
37	50	1NE27-5 . L0	FSE	100	3NE1021-0	3NE1021-0	–	–
45	60	1NE28-8 . L0	FSE	125	3NE1022-0	3NE1022-0	–	–
55	75	1NE31-1 . L0	FSF	160	3NE1224-0	3NE1224-0	–	–
75	100	1NE31-5 . L0	FSF	200	3NE1225-0	3NE1225-0	–	–