Circuit Breaker Thermal Magnetic 447-S-H-FN-160A Equivalent & Substitute Parts

Part Overview

The E-T-A 447-S-H-FN-160A is a thermal magnetic circuit breaker rated for 160A at 28V DC with chassis mount configuration and push-to-reset actuation. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and component sourcing. The substitute part maintains identical electrical and mechanical specifications while offering improved availability through active product status.

Substiute Parts

447-S-H-FN-160A

E-T-AIn Stock: 858447-S-H-FN-160A Datasheet

Current PartRFQ

447-K-H-FN-160A

E-T-AIn Stock: 725447-K-H-FN-160A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The 447-K-H-FN-160A qualifies as a direct substitute based on the following critical parameters that determine functional equivalence:

• Current Rating: Both parts rated at 160A
• Voltage Rating (DC): Both rated at 28V DC
• Breaker Type: Both are thermal magnetic
• Mounting Configuration: Both feature chassis mount
• Actuator Mechanism: Both utilize push-to-reset actuation
• Pole Configuration: Both are single-pole (1P)
• Approval Certifications: Both comply with CSA C22.2 No 235 and UL1077
• Series Family: Both belong to the E-T-A 447 series

The substitute part maintains complete electrical and mechanical compatibility while offering active product status and improved supply chain availability.

Parameter Comparison

Engineering Selection Recommendations

The 447-K-H-FN-160A is the direct equivalent for the obsolete 447-S-H-FN-160A. Selection of the substitute part is based on:

• Regulatory Compliance: Both parts maintain identical certification status under CSA C22.2 No 235 and UL1077 standards
• Product Status: The substitute part carries active product status, ensuring continued availability and supply chain support
• Electrical Specifications: Complete parameter alignment across current rating, voltage rating, and breaker characteristics
• Mechanical Compatibility: Identical mounting configuration and actuator mechanism ensure direct installation compatibility

The transition from the obsolete 447-S-H-FN-160A to the 447-K-H-FN-160A presents no technical barriers to implementation.

Frequently Asked Questions (FAQ)

Q: Can the 447-K-H-FN-160A be used as a direct replacement for the 447-S-H-FN-160A?

A: Yes. Both parts share identical electrical ratings (160A, 28V DC), breaker type (thermal magnetic), mounting configuration (chassis mount), and regulatory certifications (CSA C22.2 No 235, UL1077). The substitute part is functionally equivalent.

Q: What is the difference between the two part numbers?

A: The primary difference is product status. The 447-S-H-FN-160A is obsolete, while the 447-K-H-FN-160A is active. The substitute part offers improved supply chain availability while maintaining identical specifications.

Q: Are there any packaging differences?

A: The 447-S-H-FN-160A packaging designation is unspecified, while the 447-K-H-FN-160A is supplied in bulk packaging. This does not affect electrical or mechanical performance.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both parts comply with CSA C22.2 No 235 and UL1077 approval standards.

Q: Is the 447-K-H-FN-160A RoHS compliant?

A: The 447-K-H-FN-160A is ROHS3 compliant and REACH unaffected. Compliance information for the 447-S-H-FN-160A is not provided in the available specifications.