FN3287 / FN3288
3-Phase Filters FN3287 / FN3288

Smallest book-style EMC/RFI Filter for Inverter and Power Drive Systems
- Standard and high performance EMC solution
- Footprint space-saving book-style housing
- Solid safety connector blocks
- Standard attenuation performance FN3287
- High attenuation performance FN3288
- HV versions for 690 VAC applications
- HVIT- and IT versions for IT distribution networks
- Versions with low leakage current
- SCCR 100 kA
Features and Benefits
Typical Applications
Technical Specifications
Maximum continuous operating voltage
3x 530/305 VAC (FN3287, FN3288)
3x 530 VAC (FN3288IT)
3x 760/440 VAC (FN3288HV)
3x 760 VAC (FN3288HVIT)
Pollution degree
3 acc. IEC 60664-1
MTBF
> 200,000 hours
SCCR**
100 kA acc. to UL508 – high fault current
Rated currents
10 to 230 A
10 to 230 A @50°C
Operating frequency
DC to 60 Hz
High potential test voltage
P -> E 2260 VDC for 2 s (FN3287, FN3288)
P -> E 2900 VDC for 2 s (FN3288IT)
P -> P 2280 VDC for 2 s (FN3287, FN3288, FN3288IT)
P -> E 2650 VDC for 2 s (FN3288HV)
P -> E 3530 VDC for 2 s (FN3288HVIT)
P -> P 3270 VDC for 2 s (FN3288HV)
Overload capability
6x rated current for 1 sec, once per hour
1.5x rated current for 1 minute, once per hour
Temperature range (operation and storage)
-40°C to +100°C (with current derating >50°C)
Climatic class
40/100/21 acc. to IEC 60068-1
Protection category
IP 20 acc. to IEC 60529
Overvoltage category
III acc. IEC 60664-1
Vibration and shock
3M4 (operation)
2M2 (transport) acc. to IEC 60721-3-3
IEC 60721-3-2
Flammability according to
UL 94 V-0
Compliance with insulation requirement
> 1MOhm acc. to IEC 60204-1
Design corresponding to
UL 60939-3, IEC 60939-3