170M3815 Equivalent & Substitute Parts

Part Overview

The 170M3815 is a square fuse rated for 200A at 700VAC, manufactured by Eaton - Bussmann Electrical Division. This component is designed for electrical and industrial applications requiring high-current protection with rectangular blade mounting. The part is currently listed as obsolete, making substitute identification critical for ongoing system maintenance and component procurement.

Substiute Parts

170M3815

Eaton - Bussmann Electrical DivisionIn Stock: 755170M3815 Datasheet

Current PartRFQ

170M3815D

Eaton - Bussmann Electrical DivisionIn Stock: 920170M3815D Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 170M3815 is based on strict electrical and mechanical parameter matching:

Critical Matching Parameters:

• Current Rating: 200A (exact match required)
• Voltage Rating - AC: 700VAC (exact match required)
• Fuse Type: Square (exact match required)
• Package / Case: Rectangular, Blade (exact match required)
• Size / Dimension: 2.717" L x 1.772" W x 2.283" H (exact match required)
• Breaking Capacity @ Rated Voltage: 200kA (exact match required)
• Melting I²t: 2300 (exact match required)
• Mounting Type: Requires Holder (exact match required)

The 170M3815D qualifies as a direct substitute because it maintains identical electrical specifications, mechanical dimensions, and performance characteristics while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The 170M3815D is the direct substitute for the obsolete 170M3815. Both parts are manufactured by Eaton - Bussmann Electrical Division and maintain identical electrical and mechanical specifications. The 170M3815D offers the advantage of active product status, ensuring continued availability and supply chain reliability. Both parts carry CSA and UR approvals, meeting the same regulatory requirements. The 170M3815D additionally provides RoHS compliance, aligning with current environmental standards.

Frequently Asked Questions (FAQ)

Q: Can the 170M3815D be used as a direct replacement for the 170M3815? A: Yes. The 170M3815D is a direct substitute with identical current rating (200A), voltage rating (700VAC), fuse type (square), mechanical dimensions, breaking capacity (200kA), and melting I²t (2300). Both parts require the same holder and carry identical regulatory approvals.

Q: What is the difference between the 170M3815 and 170M3815D? A: The primary difference is product status. The 170M3815 is obsolete, while the 170M3815D is active. The 170M3815D also carries RoHS compliance certification. All electrical and mechanical parameters are identical.

Q: Are there packaging differences between these parts? A: The 170M3815 is available in standard packaging, while the 170M3815D is supplied in bulk packaging. Both parts maintain the same physical dimensions and holder requirements.

Q: Do both parts require a fuse holder? A: Yes. Both the 170M3815 and 170M3815D require a holder for installation. The rectangular blade configuration is compatible with standard Eaton - Bussmann holders designed for this form factor.

Q: What regulatory approvals apply to these fuses? A: Both parts carry CSA and UR approvals. The 170M3815D additionally meets RoHS compliance requirements.