Description
Bussmann (Eaton) 170M5808D – 400A 690V Fuse
The 170M5808D is a high-speed semiconductor protection fuse from Eaton Bussmann series, designed for industrial power protection applications.
General specifications
- Manufacturer: Eaton Bussmann
- Part number: 170M5808D
- Rated current: 400A
- Rated voltage: 690VAC
- Fuse type: High-speed (aR class)
- Size: NH2 / square body blade type
- Breaking capacity: Up to 200 kA
- Application category: Semiconductor protection (drives, rectifiers, converters)
Technical characteristics
- Designed for ultra-fast interruption during short-circuit conditions
- Suitable for protecting:
- Variable speed drives (VSD)
- Power converters and rectifiers
- DC bus systems
- Semiconductor devices (IGBT, thyristor systems)
- Low power loss operation (around 29W typical)
- IEC and UL certified industrial fuse design
- Dual indicator for blown fuse status (visual detection)
Construction
- Knife blade / square body design
- DIN 43620 mounting standard
- High rupture capacity element for heavy industrial fault conditions
- Compact industrial NH2 footprint
Origin
- Country of manufacture: India
Important notes
- This is a specialized semiconductor protection fuse, not a general-purpose distribution fuse
- It is not designed for overload protection over long durations—only fast fault interruption
- Must be installed in proper NH fuse base with correct torque and alignment
- Always replace with identical rating (400A, 690V, aR type)
Summary
The Bussmann 170M5808D is a 400A, 690V high-speed industrial fuse used for protecting power electronics systems such as drives and rectifiers, manufactured under Eaton Bussmann standards and commonly produced in India for global distribution.
