FN256-8-46 Schaffner EMC Inc, FN256-8-46 Datasheet

FN256-8-46

Manufacturer Part Number

FN256-8-46

Description

FILTER 3-PHASE NEUTRAL LINE 8A

Manufacturer

Schaffner EMC Inc

Series

FN 256r

Datasheet

1.FN256-64-52.pdf (3 pages)

Specifications of FN256-8-46

Filter Type

Power Line

Voltage - Rated

277V, 480V

Current

Mounting Type

Chassis Mount

Termination Style

Terminal Block

Current Rating

Voltage Rating

480V

Leakage Current Max

3.4mA

Capacitance

2.2ÂµF

Inductance

1.78mH

Mounting Style

Chassis

Filtered

Yes

Frequency

50 Hz

Leakage Current

3.4 mA

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

293-642
817-1068
FN 256 - 8-46

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

FN256-8-46

Manufacturer:

SCHAFFNE

Quantity:

Current page: 1 of 3
Download datasheet (688Kb)

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):

Features and benefits

■

Compact general purpose

three-phase and neutral line EMC ﬁ lter

FN 256 filters are designed specifically for

applications involving asymmetric loads,

ranging from industrial controls to medical

electronics systems. These typically involve

insufficiently filtered converters and

switch-mode power supplies on different

phases, causing current imbalance and

significant interference problems.

Employing single-stage filter circuits for

each phase and the neutral line, FN 256 fil-

ters provide high attenuation of both sym-

metrical and asymmetrical interference.

■

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

■

Three-phase and neutral line filter for

general purpose four-wire filtering

Compact space-saving design

Choice of connection style

Low operating leakage current

Used as a mains input filter, FN 256 filters

also increase conducted immunity and

thus contribute to overall system reliability.

Choice of connection style as well as filter

ratings in line with common fuse values

support a fast and easy application-specific

filter selection and deployment.

A light weight aluminium housing with a

small footprint ensures that the filters can

be easily accommodated on control panels

and in tight power cabinets.

3-phase + neutral line ﬁ lters

FN 256

Approvals

Typical electrical schematic

Typical applications

■

Line

General purpose four-wire filtering

High-power office equipment

Power supplies

UPS

Medical applications

Electrical cabinets

Control panels

Load

L1‘

L2‘

L3‘

N‘

Related parts for FN256-8-46

FN256-8-46 Summary of contents

Page 1

... UL 94V-2 or better UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 600,000 hours Used as a mains input filter, FN 256 filters ■ also increase conducted immunity and thus contribute to overall system reliability. Choice of connection style as well as filter ■ ...

Page 2

... Maximum leakage under normal operating conditions, based on the assumption that all three phases and the neutral conductor are connected to the supply and the consumer. In this case, the current will mainly return through the neutral line, not as earth leakage. *** Filters with -28 connections are rated for 40°C environmental temperature only. Typical filter attenuation Per CISPR 17 ...

Page 3

Components > FN 256 Mechanical data 8 to 64A types 80 to 160A types (-34, -35, -40) Dimensions 8A 16A A 120 120 B 143 143 115 115 127.5 127.5 G ...

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