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Eaton Bussmann 170M4018 High-Speed Square Body Fuse – 800A, 690V, Class aR
Description:
The Eaton Bussmann Series 170M4018 is a high-performance square body fuse engineered for demanding industrial and semiconductor protection applications. With an 800A current rating, 690V AC voltage capacity, and a 200 kA interrupting capacity, this Class aR fuse ensures reliable protection for power converters, rectifiers, DC drives, and other sensitive electronic components.
Featuring a top fuse status indicator, this fuse enables easy monitoring and reduced downtime. The blade-end connections and compact design with DIN 43653 compliance make it ideal for installation in tight control panels and industrial systems. The 170M4018 is UL Recognized, IEC Rated, CE marked, and RoHS compliant, ensuring global standards compatibility.
Whether used in DC common bus systems or semiconductor drives, this fuse delivers maximum reliability, thermal stability, and performance efficiency.
✅ Key Features
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Model: 170M4018
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Current Rating: 800A
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Voltage Rating: 690V (IEC), 700V (UL)
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Interrupt Rating: 200 kAIC
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Utilization Category: Class aR – Fast-acting semiconductor protection
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Visual Indicator: Top fuse status indicator
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Certifications: UL Recognized, IEC Rated, CE Marked
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Application: Semiconductor protection, DC drives, power converters
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Connection Type: Blade end x blade end
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Compliant With: DIN 43653 / IEC 60269
📐 General Specifications
| Specification | Details |
|---|---|
| Product Name | Eaton Bussmann High-Speed Fuse |
| Catalog Number | 170M4018 |
| EAN | 5027590450966 |
| UPC | 051712257497 |
| Dimensions (L x W x H) | 245 x 142 x 62 mm |
| Weight | 550 g |
| Fuse Shape | Square body, slotted center bolted tags |
| Connection Type | Blade end x blade end |
| Mounting Dimension | M10 |
| Center-to-Center Distance | 78 mm |
| Color | None |
| Packaging Type | Standard |
| Compliances | CE Marked, RoHS Compliant |
| Certifications | UL Recognized, IEC Rated |
⚡ Electrical Specifications
| Specification | Details |
|---|---|
| Amperage Rating | 800 A |
| Rated Voltage (AC) | 690 V (IEC), 700 V (UL) |
| Breaking Capacity | 200 kAIC |
| Fuse Type | High-Speed, DIN 43653 |
| Utilization Category | aR – Semiconductor protection |
| Fuse System (IEC 60269) | Other |
| Pre-arcing I²t | 105,000 A²s |
| Clearing I²t at 660V | 725,000 A²s |
| Watt Losses | 95 W |
| Current Type | AC |
| Voltage Type | AC |
| Top Fuse Status Indicator | Yes |
| Insulated Metal Gripping Lugs | No |
🌍 Applications
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Semiconductor protection
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DC common bus systems
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Power converters & rectifiers
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DC motor drives
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Industrial control panels
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