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Bussmann 170M3388 Eaton Series High-Speed Square Body Fuse, Class aR, 50A
The Bussmann 170M3388 is an Eaton Bussmann series high-speed square body fuse built for demanding semiconductor protection duty. Rated 700V (UL) / 690V (IEC), 50A, with a 100 kAIC interrupt rating, this Class aR (accompanied semiconductor protection) fuse features a square body design with flush end contacts for compact, reliable panel mounting. Its fast-clearing characteristic curve is engineered to safeguard sensitive power semiconductor devices in high fault-current conditions, and the unit is IEC rated and CE marked for use in industrial power electronics systems.
Key Features
- Amperage Rating: 50A rated for high-speed semiconductor circuit protection.
- Voltage Rating: 700V (UL) / 690V (IEC), with a 1250V AC component voltage rating.
- Interrupt Rating: 100 kAIC for reliable clearing under high fault-current conditions.
- Utilization Category: Class aR (accompanied semiconductor protection) for coordinated device protection.
- Fuse Shape: Square body construction with flush end contacts for compact mounting.
- I2t Characteristics: Pre-arc I2t of 135 and clearing I2t of 815 at 1000V / 1100 at 1250V for precise semiconductor coordination.
- Watt Losses: 15W rated power dissipation.
- Application: Purpose-built for semiconductor protection duty.
Certifications & Compliance
- IEC Rated
- CE Marked
Technical Specifications
- Amperage Rating: 50 A
- Application: semiconductor protection
- Certifications: IEC Rated
- Clearing I2t: 815 at 1000 V, 1100 at 1250 V
- Compliances: CE Marked
- Fuse Shape: Square body, flush end contacts
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Pre Arc I2t: 135
- Product Height: 59 mm
- Product Length Depth: 75 mm
- Product Weight: 351 g
- Product Width: 45 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 1250 V
- Voltage Type: AC
- Watt Losses: 15 W
Typical Applications
- Semiconductor Device Protection
- Power Electronics and Rectifier Circuits
- High-Speed Switching Applications
- Industrial and Commercial Power Systems
- Coordinated Protection for Class aR-Rated Equipment
Why Bussmann?
Bussmann, an Eaton series, engineers this 170M3388 high-speed fuse with a square body, flush end contacts, and a 100 kAIC interrupt rating to deliver dependable performance in demanding semiconductor protection applications. Backed by IEC rating and CE marking, it offers the coordinated, code-compliant protection professionals rely on for critical power electronics installations.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 50 A
- Application:
- semiconductor protection
- Certifications:
- IEC Rated
- Class:
- Class aR
- Clearing I2t:
- 815 at 1000 V, 1100 at 1250 V
- Compliances:
- CE Marked
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, flush end contacts
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 100 kAIC
- Mounting Method:
- Flush
- Packaging Type:
- Standard
- Pre Arc I2t:
- 135
- Product Height:
- 59 mm
- Product Length Depth:
- 75 mm
- Product Weight:
- 351 g
- Product Width:
- 45 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 1250 V
- Voltage Type:
- AC
- Watt Losses:
- 15 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse
Bussmann 170M3388 – Frequently Asked Questions
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Does the Bussmann 170M3388 come with a warranty?
Absolutely. The Bussmann 170M3388 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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