HC4-SFD-K Relay Socket 14 Position DIN Rail - Equivalent & Substitute Parts

Part Overview

The HC4-SFD-K is a 14-position DIN rail relay socket manufactured by Panasonic Electric Works. This socket is designed for use with HC4 series relays and features screw terminal connections for secure wiring integration. The product is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing maintenance, repair, and system continuity in industrial applications.

Substiute Parts

HC4-SFD-K

Panasonic Electric WorksIn Stock: 1094HC4-SFD-K Datasheet

Current PartRFQ

27E894

TE Connectivity Potter & Brumfield RelaysIn Stock: 300827E894 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HC4-SFD-K is determined by the following critical parameters that must remain consistent:

• Number of Positions: 14 positions (electrical interface requirement)
• Mounting Type: DIN Rail (mechanical installation requirement)
• Termination Style: Screw Terminal (connection interface requirement)
• Socket Type: Socket configuration (functional requirement)

The substitute part 27E894 satisfies all four critical parameters. This TE Connectivity Potter & Brumfield Relays socket maintains identical electrical and mechanical specifications, ensuring direct functional equivalence for applications previously using the HC4-SFD-K.

Parameter Comparison

Engineering Selection Recommendations

The 27E894 from TE Connectivity Potter & Brumfield Relays is the qualified substitute for the obsolete HC4-SFD-K. Selection is based on:

• Functional Equivalence: Identical electrical and mechanical specifications across all critical parameters
• Product Availability: Active product status with confirmed inventory (2946 units in stock)
• Regulatory Compliance: Both parts maintain REACH Unaffected status and EAR99 classification; the substitute additionally carries ROHS3 Compliant certification
• Interface Compatibility: Screw terminal connections and 14-position DIN rail configuration ensure direct installation compatibility

Frequently Asked Questions (FAQ)

Q: Can the 27E894 be used as a direct replacement for the HC4-SFD-K?

A: Yes. Both sockets share identical specifications for the four critical parameters: 14 positions, DIN rail mounting, screw terminal termination, and socket type. The 27E894 is designed for use with PT, PTH, and KHA series relays and maintains full electrical and mechanical compatibility.

Q: What is the significance of the obsolete status of the HC4-SFD-K?

A: Obsolete status indicates that the HC4-SFD-K is no longer manufactured by Panasonic Electric Works. The 27E894 is an active product with ongoing manufacturing and availability, making it the appropriate choice for new installations and replacements.

Q: Are there compliance differences between the two parts?

A: Both parts are REACH Unaffected and classified as EAR99. The 27E894 carries additional ROHS3 Compliant certification. Both maintain equivalent export control and environmental compliance status.

Q: Does packaging affect substitution?

A: The HC4-SFD-K is specified with dash packaging, while the 27E894 is supplied in bulk packaging. Packaging does not affect electrical or mechanical performance; it reflects only the distribution format.

Q: What relay series are compatible with the 27E894?

A: The 27E894 is specified for use with PT, PTH, and KHA series relays. Compatibility with specific relay models should be verified against individual relay specifications and socket interface requirements.