Equivalent & Substitute Parts for Eaton 170M5808

Part Overview

The Eaton 170M5808 is a 400A 700VAC rectangular square fuse designed for electrical and industrial applications. This fuse features an indicating function and requires a dedicated holder for installation. The part is classified as obsolete, which necessitates identification of active equivalent alternatives to maintain system continuity and ensure availability for replacement applications.

Substiute Parts

170M5808

Eaton - Bussmann Electrical DivisionIn Stock: 836170M5808 Datasheet

Current PartRFQ

170M5808D

Eaton - Bussmann Electrical DivisionIn Stock: 942170M5808D Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 170M5808 is determined by strict equivalence across the following critical parameters:

• Current Rating: 400A (exact match required)
• Voltage Rating: 700 VAC (exact match required)
• Fuse Type: Square (exact match required)
• Package / Case: Rectangular, Blade (exact match required)
• Physical Dimensions: 2.717" L x 2.165" W x 2.795" H (exact match required)
• Breaking Capacity: 200kA (exact match required)
• Melting I²t: 11000 (exact match required)
• Mounting Type: Requires Holder (exact match required)

The substitute part 170M5808D meets all these criteria and is manufactured by the same supplier, ensuring mechanical and electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The 170M5808D is the direct active equivalent for the obsolete 170M5808. Both parts are manufactured by Eaton - Bussmann Electrical Division and share identical electrical and mechanical specifications. The 170M5808D offers the following advantages:

• Active product status ensures ongoing availability and supply chain continuity
• RoHS compliance certification provides environmental regulatory alignment
• Dual approval agency certification (CE and UR) expands regulatory acceptance across markets
• Identical performance characteristics guarantee drop-in compatibility in existing applications

Selection of the 170M5808D eliminates obsolescence risk while maintaining full electrical and mechanical compatibility with systems designed for the 170M5808.

Frequently Asked Questions (FAQ)

Q: Can the 170M5808D be used as a direct replacement for the 170M5808?

A: Yes. Both parts are electrically and mechanically identical. The 170M5808D is the active production equivalent with identical current rating (400A), voltage rating (700 VAC), physical dimensions, breaking capacity (200kA), and melting I²t (11000).

Q: What is the difference between the 170M5808 and 170M5808D?

A: The primary difference is product status. The 170M5808 is obsolete, while the 170M5808D is active. The 170M5808D also carries RoHS compliance certification and dual approval agency certifications (CE and UR) compared to UR only for the 170M5808.

Q: Are there any packaging differences between these parts?

A: The 170M5808 is available in standard packaging, while the 170M5808D is supplied in bulk packaging. Both maintain identical physical dimensions and blade configuration.

Q: What holder is required for installation?

A: Both the 170M5808 and 170M5808D require a dedicated fuse holder designed for rectangular blade-type fuses with 2.717" L x 2.165" W x 2.795" H dimensions.

Q: Are there any compliance or certification differences?

A: The 170M5808D carries CE and UR approvals, while the 170M5808 carries UR approval only. The 170M5808D is also RoHS compliant. These certifications do not affect electrical or mechanical compatibility.