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Bussmann 170M4258 Eaton Series High-Speed Square Body Fuse, Class aR
The Bussmann 170M4258 is an Eaton Bussmann series high-speed square body fuse engineered for demanding power electronics protection, rated 700V (UL) and 690V (IEC) with a 200A amperage rating and a 200 kAIC interrupt rating. Built to DIN 43 620 with blade end X blade end connections, this Class aR fuse is designed for accompanied semiconductor protection in AC circuits. It carries UL Recognized certification and is CE Marked for compliance with international standards.
Key Features
- Amperage Rating: 200A for high-current semiconductor and power circuit protection.
- Voltage Rating: 700V (UL) / 690V (IEC) AC for demanding industrial power systems.
- Interrupt Rating: 200 kAIC for reliable high fault-current interruption.
- Utilization Category: Class aR (accompanied semiconductor protection).
- Fuse Shape: Square body with slotted center bolted tags and blade end X blade end connections, built to DIN 43 620.
- Clearing I²t: 21000 at 660V for predictable fast-acting clearing performance.
- Pre-Arc I²t: 105000 for coordinated protection design.
- Compact Dimensions: 62 mm height x 245 mm length/depth x 142 mm width, approximately 499.3333333 g.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 200 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 21000 at 660 V
- Clearing Loss: 45
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Pre Arc I2t: 105000
- Product Height: 62 mm
- Product Length Depth: 245 mm
- Product Weight: 499.3333333 g
- Product Width: 142 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Protection
- Industrial Motor Drive and Power Electronics Circuits
- High-Speed AC Fault Current Interruption
- Commercial and Industrial Electrical Installations
Why Bussmann?
Bussmann by Eaton engineers this high-speed square body fuse with a Class aR utilization category specifically for accompanied semiconductor protection, backed by UL Recognized certification and CE Marked compliance. With a 200 kAIC interrupt rating and DIN 43 620 construction, it delivers the fast-clearing, code-compliant performance professionals expect for critical industrial power protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 200 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 21000 at 660 V
- Clearing Loss:
- 45
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Mounting Method:
- DIN 43 620
- Packaging Type:
- Standard
- Pre Arc I2t:
- 105000
- Product Height:
- 62 mm
- Product Length Depth:
- 245 mm
- Product Weight:
- 499.3333333 g
- Product Width:
- 142 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse
Bussmann 170M4258 – Frequently Asked Questions
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Does the Bussmann 170M4258 come with a warranty?
Absolutely. The Bussmann 170M4258 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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