FN256-16-46 Datasheet, PDF (1/4 Pages) List of Unclassifed Manufacturers – Compact general purpose three-phase and neutral line EMC filter

Compact general purpose
three-phase and neutral line EMC filter
3-phase + neutral line filters
FN 256
n Three-phase and neutral line filter for
general purpose four-wire filtering
n Compact space-saving design
n Choice of connection style
n Low operating leakage current
Approvals
Technical specifications
Maximum continuous operating voltage:
Operating frequency:
Rated currents:
High potential test voltage:
Protection category:
Overload capability:
Temperature range (operation and storage):
Flammability corresponding to:
Design corresponding to:
MTBF @ 50°C/400V (Mil-HB-217F):
3x 480/277VAC
dc to 60Hz
8 to 160A @ 50°C
P –> E 2650VDC for 2 sec
P –> P 2100VDC for 2 sec
IP20
IP00 (filters with connectors -28)
4x rated current at switch on,
1.5x rated current for 1 minute, once per hour
-25°C to +100°C (25/100/21)
UL 94V-2 or better
UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939
600,000 hours
Typical electrical schematic
L
L1
L2
L3
Cx
N
Cy
E
R
R1
Line
L1‘
L2‘
L3‘
N‘
E
Load
Features and benefits
Typical applications
n FN 256 filters are designed specifically for n Used as a mains input filter, FN 256 filters n General purpose four-wire filtering
applications involving asymmetric loads,
also increase conducted immunity and
n High-power office equipment
ranging from industrial controls to medical thus contribute to overall system reliability. n Power supplies
electronics systems. These typically involve n Choice of connection style as well as filter n UPS
insufficiently filtered converters and
ratings in line with common fuse values
n Medical applications
switch-mode power supplies on different
support a fast and easy application-specific n Electrical cabinets
phases, causing current imbalance and
filter selection and deployment.
n Control panels
significant interference problems.
n A light weight aluminium housing with a
n Employing single-stage filter circuits for
small footprint ensures that the filters can
each phase and the neutral line, FN 256 fil- be easily accommodated on control panels
ters provide high attenuation of both sym-
and in tight power cabinets.
metrical and asymmetrical interference.