Description
Overview
The Eaton Bussmann 170M2697 is a high speed square body semiconductor fuse designed for advanced electrical circuit protection in power electronic systems. Part of the globally recognized Bussmann 170M series, this fuse is engineered to provide fast fault interruption and controlled energy limitation for sensitive semiconductor devices.
Built in DIN 43620 size 00 format with knife blade contacts, the 170M2697 is widely used in industrial drives, rectifier systems, power converters, and DC bus protection applications throughout India. Its Class gR performance provides both overload and short-circuit protection for semiconductor equipment while maintaining reliable coordination with modern power electronics.
Key Features
- 50A Current Rating — Suitable for low to medium power semiconductor protection circuits.
- 690VAC Rated Voltage — Supports industrial power distribution and converter systems.
- 200kA Breaking Capacity — Safely interrupts extremely high fault currents.
- Class gR Protection — Provides full-range semiconductor protection including overload and short-circuit conditions.
- Pre-arc I²t of 185 A²s — Helps limit thermal stress on semiconductor components.
- Clearing I²t of 1000 A²s — Controlled energy let-through during fault interruption.
- Top Fuse Status Indicator — Enables quick visual fuse condition monitoring.
- Type T Indicator for Micro Switches — Supports remote indication and monitoring systems.
- DIN 43620 Size 00 Construction — Standardized dimensional compatibility.
- IEC Rated and UL Recognized — Suitable for global industrial applications.
Technical Specifications
| Specification | Value |
|---|---|
| Catalog Number | 170M2697 |
| EAN | 5027590442848 |
| UPC | 051712265621 |
| Product Type | High Speed Square Body Fuse |
| Series | Eaton Bussmann 170M Series |
| Amperage Rating | 50 A |
| Rated Voltage AC | 690 V |
| Interrupt Rating | 200 kAIC |
| Breaking Capacity | 200 kA |
| Fuse Class | Class gR |
| Utilization Category | gR – General Purpose Semiconductor Protection |
| Pre-arc I²t | 185 A²s |
| Clearing I²t | 1000 A²s at 600 V |
| Watt Losses | 11 W |
| Fuse Indicator Type | Top Fuse Status Indicator |
| Indicator Option | Type T Indicator for Micro Switch |
| Fuse Size | Size 00 |
| Construction Size | 00 |
| Fuse Shape | Square Body, Knife Blade Contacts |
| Connection | Blade End x DIN 43-620 Blade End |
| Voltage Type | AC |
| Current Type | AC |
| Fuse Type | DIN 43620, Bladed |
| Product Dimensions | 217 × 85 × 65 mm |
| Weight | 207.5 g |
| Compliances | CE Marked, RoHS Compliant |
| Certifications | IEC Rated, UL Recognized |
| Application | Semiconductor Protection, DC Common Bus, DC Drives, Power Converters, Rectifiers |
Applications & Selection Guide
The Eaton Corporation Bussmann 170M2697 fuse is specifically designed for semiconductor protection applications where extremely fast fault clearing is required. Common installations include variable frequency drives (VFDs), DC drives, inverter systems, UPS equipment, power converters, rectifier bridges, soft starters, and industrial automation panels.
Across India, industries such as textile manufacturing, steel processing, automotive production, cement plants, pharmaceutical facilities, chemical processing plants, data centers, and power generation facilities rely on high speed semiconductor fuses to protect expensive electronic equipment from catastrophic short-circuit events.
The Class gR characteristic provides both overload and short-circuit protection for semiconductor devices. The low pre-arc I²t value of 185 A²s helps minimize thermal stress on SCRs, IGBTs, diodes, and rectifier assemblies. DIN 43620 dimensional compliance ensures interchangeability with compatible fuse holders and mounting arrangements designed to IEC standards.
Why Buy from Shansen Enterprises?
- Authorized Eaton Channel Partner in Coimbatore, Tamil Nadu.
- 100% genuine Eaton Bussmann products supplied with manufacturer-backed support.
- Pan-India delivery covering Mumbai, Delhi, Chennai, Bangalore, Hyderabad, Pune, Kolkata, Ahmedabad, and all industrial hubs.
- Technical assistance for fuse selection, replacement, and application engineering.
- Bulk project supply support for OEMs, panel builders, EPC contractors, and maintenance teams.
Compatible Products & Accessories
- DIN 43620 Size 00 Fuse Holders.
- Square Body Fuse Mounting Bases.
- Micro Switch Monitoring Accessories for Type T Indicators.
- Bus Bar Adapter Systems.
- Semiconductor Protection Fuse Assemblies.
- Industrial Power Converter Protection Systems.
- Replacement Bussmann 170M Series Fuse Links.
- All compatible accessories available. Contact us to bundle your complete panel assembly requirements.

