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Bussmann 170M4112 Eaton Series High-Speed Square Body Fuse, 400A Class aR
The Bussmann 170M4112 is an Eaton Bussmann series high-speed square body fuse built for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) AC and 400A with a 200 kAIC interrupt rating, this Class aR fuse uses a blade end X blade end connection and meets the DIN 43 620 dimensional standard, making it a dependable choice for protecting power electronics and rectifier circuits.
Key Features
- Amperage Rating: 400A for reliable overcurrent protection in semiconductor protection applications.
- Voltage Rating: 700V (UL), 690V (IEC) AC for use across UL and IEC-rated circuits.
- Interrupt Rating: 200 kAIC high-speed interruption for demanding fault-current conditions.
- Connection Style: Blade end X blade end termination for secure, direct mounting.
- Utilization Category: Class aR (accompanied semiconductor protection) for use alongside semiconductor devices.
- Fuse Shape: Square body with slotted center bolted tags, sized to DIN 43 620.
- Energy Characteristics: Pre-arc I2t of 13500 and clearing I2t of 91500 at 660V, with a clearing loss of 65, for predictable let-through performance.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 400 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 91500 at 660 V
- Clearing Loss: 65
- Compliances: CE Marked
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs (IMGL): No
- Packaging Type: Standard
- Pre Arc I2t: 13500
- Product Height: 62 mm
- Product Length Depth: 245 mm
- Product Weight: 498.6666667 g
- Product Width: 142 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
Typical Applications
- Semiconductor Protection
- Power Electronics and Drive Systems
- Rectifier and Converter Circuits
- Industrial Motor Control Systems
- High-Speed Fault-Current Interruption
Why Bussmann?
Bussmann, an Eaton series brand, engineers the 170M4112 as a UL Recognized, CE Marked high-speed fuse purpose-built for Class aR semiconductor protection duty. With a 200 kAIC interrupt rating, defined pre-arc and clearing I2t characteristics, and DIN 43 620 square body dimensions, it delivers the precise, code-compliant performance that power electronics and industrial control systems demand.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 400 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 91500 at 660 V
- Clearing Loss:
- 65
- 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:
- 13500
- Product Height:
- 62 mm
- Product Length Depth:
- 245 mm
- Product Weight:
- 498.6666667 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 170M4112 – Frequently Asked Questions
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Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
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Does the Bussmann 170M4112 come with a warranty?
Absolutely. The Bussmann 170M4112 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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Why buy the Bussmann 170M4112 from ZenSupply?
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