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Bussmann 170M3259 High-Speed aR Fuse-Link, 50 A, AC 690 V, Compact DIN 1
The Bussmann 170M3259 is a high-speed aR fuse-link engineered for semiconductor protection, rated 50 A at AC 690 V. Built to the compact DIN 1 form factor with overall dimensions of 45 x 58 x 134 mm and 110 mm centres, this fuse-link meets DIN and IEC 60269-4 standards and includes a type K indicator for fast visual status checks. Its aR utilization category makes it suited for accompanied semiconductor protection in demanding industrial power circuits.
Key Features
- Trade Size: Compact DIN 1 body measuring 45 x 58 x 134 mm with 110 mm centres for standard fuse-holder compatibility.
- Electrical Rating: Rated 50 A at AC 690 V for reliable overcurrent protection in industrial power electronics.
- High-Speed aR Design: Class aR (accompanied semiconductor protection) utilization category for fast-clearing performance ahead of semiconductor devices.
- Type K Indicator: Built-in type K blown-fuse indicator provides quick visual confirmation of fuse status.
- Fuse Shape: Square body design with slotted center bolted tags for secure, low-resistance connections.
- Interrupt Rating: 200 kAIC interrupt rating supports high fault-current environments.
- Standards Compliance: Manufactured to DIN and IEC design references for consistent, code-recognized performance.
Certifications & Compliance
- IEC 60269-4
- CE Compliant
Technical Specifications
- Application: semiconductor protection
- Certifications: IEC 60269-4
- Class: Class aR
- Compliances: CE
- Fuse Indicator: Other
- Fuse Shape: Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl: No
- Interrupt Rating: 200 kAIC
- Packaging Type: Standard
- Product Height: 65 mm
- Product Length Depth: 305 mm
- Product Weight: 335.6666667 g
- Product Width: 145 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Type: AC
Typical Applications
- Semiconductor Device Protection
- Variable Frequency Drives and Power Converters
- Rectifier and Thyristor Circuit Protection
- Industrial Motor Drive Systems
- Panelboard and Switchgear Installations Requiring aR Fuses
Why Bussmann?
Bussmann engineers the 170M3259 to DIN and IEC 60269-4 references with a 200 kAIC interrupt rating and CE compliance, giving electrical professionals a dependable high-speed aR fuse-link for protecting semiconductor devices in demanding industrial applications. The compact DIN 1 body and type K indicator support straightforward installation and fast fault verification in critical power electronics circuits.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 50 A
- Application:
- semiconductor protection
- Certifications:
- IEC 60269-4
- Class:
- Class aR
- Compliances:
- CE
- Fuse Indicator:
- Other
- Fuse Shape:
- Square body, slotted center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Product Height:
- 65 mm
- Product Length Depth:
- 305 mm
- Product Weight:
- 335.6666667 g
- Product Width:
- 145 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 170M3259 – Frequently Asked Questions
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Does the Bussmann 170M3259 come with a warranty?
Absolutely. The Bussmann 170M3259 is backed by a manufacturer’s warranty.
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