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Bussmann 170M7397 High-Speed NH2 Fuse-Link, 160A, 800V AC, gR Class
The Bussmann 170M7397 is a high-speed fuse-link engineered for demanding semiconductor protection applications, rated 160A at 800V AC in the compact NH2 size format measuring 150 x 61 x 54 mm. Built to IEC standards with a gR utilization category for general purpose semiconductor protection, this fuse-link delivers a 65 kA breaking capacity and features a dual, combination fuse status indicator for quick visual verification of fuse condition. UL Recognized and CE Marked, the 170M7397 is suited for professional power electronics and industrial control installations requiring reliable, code-compliant overcurrent protection.
Key Features
- NH2 Size: Compact 150 x 61 x 54 mm form factor sized for standard NH2 fuse mounts and disconnects.
- High Amperage Rating: Rated 160A at 800V AC for demanding power circuit protection.
- gR Utilization Category: Class gR design provides general purpose semiconductor protection per IEC standards.
- 65 kA Breaking Capacity: 65 kAIC interrupt rating and 65 kA rated switching capacity deliver dependable short-circuit protection.
- Dual Fuse Indicator: Combination fuse status indicator allows quick visual confirmation of fuse condition.
- I2t Characteristics: Pre-arc I2t of 4600 and clearing I2t of 36800 support precise coordination with upstream and downstream protective devices.
- Low Watt Losses: Rated at 28 W watt losses for efficient in-circuit operation.
Certifications & Compliance
- UL Recognized
- CE Marked
- IEC Compliant
Technical Specifications
- Breaking Capacity: 65 kA
- Certifications: UL Recognized
- Class: Class gR
- Clearing I2t: 36800
- Compliances: CE Marked
- Fuse Indicator: Combination fuse status indicator
- Fuse Size: NH2
- Insulated Metal Gripping Lugs (Imgl): No
- Interrupt Rating: 65 kAIC
- Pre Arc I2t: 4600
- Product Height: 150 mm
- Product Length Depth: 61 mm
- Product Weight: 407 g
- Product Width: 53.9 mm
- Rated Switching Capacity: 65 kA
- Utilization Category: gR (general purpose semiconductor protection)
- Voltage Type: AC
- Watt Losses: 28 W
Typical Applications
- Semiconductor and Power Electronics Protection
- Industrial Control Panels and Switchgear
- Motor Drive and Rectifier Circuits
- High-Speed Overcurrent Protection Systems
- Commercial and Industrial Electrical Installations
Why Bussmann?
Bussmann fuse-links are engineered to strict IEC specifications, combining high breaking capacity, precise I2t characteristics, and dual status indication for dependable performance in critical power electronics applications. With UL Recognition and CE Marking, the 170M7397 delivers the code-compliant, reliable overcurrent protection professionals expect from Bussmann for semiconductor and industrial circuit protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 160 A
- Breaking Capacity:
- 65 kA
- Certifications:
- UL Recognized
- Class:
- Class gR
- Clearing I2t:
- 36800
- Compliances:
- CE Marked
- Fuse Indicator:
- Combination fuse status indicator
- Fuse Size:
- NH2
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 65 kAIC
- Pre Arc I2t:
- 4600
- Product Height:
- 150 mm
- Product Length Depth:
- 61 mm
- Product Weight:
- 407 g
- Product Width:
- 53.9 mm
- Rated Switching Capacity:
- 65 kA
- Utilization Category:
- gR (general purpose semiconductor protection)
- Voltage Rating:
- 800 V
- Voltage Type:
- AC
- Watt Losses:
- 28 W
- Department:
- Electrical
- Product Type:
- Fuse
- Product Group:
- Fuses
- Product Subgroup:
- Other Fuses