Schaffner FN258-7-07 Equivalent & Substitute Parts Reference

Part Overview

The Schaffner FN258-7-07 is a three phase (Delta) EMC/EMI line filter designed for industrial applications such as inverters and power drive systems. It supports a current rating of 7 A and operates in the DC to 60 Hz frequency range with a chassis mount configuration and terminal block termination. This model has been classified as obsolete, necessitating the identification of alternative or substitute models to ensure ongoing compatibility and supply continuity in relevant applications.

Key Parameters

Parameter	FN258-7-07
Manufacturer	Schaffner EMC Inc.
Filter Type	Three Phase (Delta)
Configuration	Two Stage
Voltage - Rated AC (Ph-N)	277 V
Voltage - Rated AC (Ph-Ph)	480 V
Current	7 A
Frequency - Operating	DC ~ 60Hz
Mounting Type	Chassis Mount
Termination Style	Terminal Block
Operating Temperature	-25°C ~ 100°C
Applications	Inverters, Power Drive Systems
Approval Agency	CSA, ENEC, UR
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts are identified strictly based on alignment with key electrical and mechanical parameters: filter type, configuration, phase voltage ratings, current rating, frequency range, mounting type, termination style, compliance (RoHS, REACH), and intended applications. The referenced substitutes, Schaffner FN3288-10-44-C26-R65 and FN3288-10-44-C34-R65, conform to or exceed the operating parameters of the FN258-7-07. The core basis for equivalency is the matching or greater ratings in voltage, current, operating temperature range, mounting, and compliance certifications.

Parameter Comparison

Parameter	FN258-7-07	FN3288-10-44-C26-R65	FN3288-10-44-C34-R65
Manufacturer	Schaffner EMC Inc.	Schaffner EMC Inc.	Schaffner EMC Inc.
Filter Type	Three Phase (Delta)	Three Phase (Delta)	Three Phase (Delta)
Configuration	Two Stage	Two Stage	Two Stage
Voltage - Rated AC (Ph-N)	277 V	305 V	305 V
Voltage - Rated AC (Ph-Ph)	480 V	530 V	530 V
Current	7 A	10 A	10 A
Frequency - Operating	DC ~ 60Hz	DC ~ 60Hz	DC ~ 60Hz
Mounting Type	Chassis Mount	Chassis Mount	Chassis Mount
Termination Style	Terminal Block	Terminal Block	Terminal Block
Operating Temperature	-25°C ~ 100°C	-40°C ~ 100°C	-40°C ~ 100°C
Applications	Inverters, Power Drive Systems	Inverters, Power Drive Systems	Inverters, Power Drive Systems
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

The Schaffner FN3288-10-44-C26-R65 and FN3288-10-44-C34-R65 are active, RoHS3 compliant, and REACH unaffected alternative parts. These substitutes provide equivalent or higher electrical ratings, maintain compatibility in filter type, configuration, mounting method, and termination style, and are suitable for the same applications. Both alternative models comply with core environmental and regulatory standards required for engineering selection.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters to consider when substituting the FN258-7-07?
A: Core parameters include filter type, configuration, voltage and current ratings, frequency range, mounting type, termination style, compliance (RoHS, REACH), and application suitability.

Q: Are the substitute parts physically compatible with the existing FN258-7-07 installation?
A: Substitute parts maintain the same mounting type (chassis mount) and termination style (terminal block), supporting straightforward replacement. Mechanical dimensions and form factor specifics are not provided.

Q: Are all substitute parts current production and compliant with environmental regulations?
A: Both FN3288-10-44-C26-R65 and FN3288-10-44-C34-R65 are active and confirmed RoHS3 compliant and REACH unaffected.

Q: Do substitute parts cover the same application scope as the original FN258-7-07?
A: Substitute models list compatible applications, including inverters and power drive systems.

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