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Bussmann 170M3489 Class aR High-Speed Square Body Fuse, 63A
Model: BUSS-170M3489
Bussmann
Bussmann 170M3760 Class aR High-Speed Fuse, 63A, 1000Vac
The Bussmann 170M3760 is a Class aR high-speed fuse engineered for fast-acting overcurrent protection in demanding DC power applications. Rated 63A RMS at 1000 Vac with a 200 kAIC interrupt rating, this square-body fuse uses a blade end x blade end connection for direct in-line mounting. It is built for DC common bus, DC drives, and power converter/rectifier circuits, and it carries IEC rating and UL recognition for use in professional electrical and industrial power systems.
Key Features
- Amperage Rating: 63A RMS provides dependable overcurrent protection sized for DC common bus and power converter circuits.
- Class aR Design: Class aR high-speed construction is engineered to protect semiconductors and power electronics from fault currents.
- Voltage Rating: 1000 Vac supports high-voltage DC drive, rectifier, and power conversion applications.
- Interrupt Rating: 200 kAIC interrupting capacity delivers robust protection against high fault currents.
- Blade-End Connection: Blade end x blade end termination allows direct in-line installation without additional hardware.
- Fast-Clearing Performance: Pre-arc I2t of 115 and clearing I2t of 770 at 660V support quick fault clearing to protect downstream components.
- Non-Indicating Fuse: Non-indicating design suited to standard-duty circuit protection schemes.
- Watt Losses: Rated at 14W for predictable thermal performance in continuous operation.
Certifications & Compliance
- IEC Rated
- UL Recognized
- CE Marked
- RoHS Compliant
Technical Specifications
- Amperage Rating: 63A
- Application: DC common bus, DC drives, power converters/rectifiers
- Class: Class aR
- Clearing I2t: Clearing at 660V: 770
- Connection: Blade end X blade end
- Current Rating: 63A RMS
- Fuse Indicator: Non Indicating
- Interrupt Rating: 200 kAIC
- Packaging Type: Standard
- Pre Arc I2t: 115
- Voltage Rating: 1000 Vac
- Watt Losses: 14W
- Product Type: Square body, US style -FKE/115 type K indicator for micro
- Product Length: 5.433 IN
- Product Details: Square body, US style -FKE/115 type K indicator for micro
- Product Height: 2.087 IN
- Product Weight: 1.6456 LB
- Product Width: .315 IN
Typical Applications
- DC Common Bus Systems
- DC Drives
- Power Converters and Rectifiers
- Industrial DC Power Distribution
- Semiconductor and Power Electronics Protection
Why Bussmann?
Bussmann engineers the 170M3760 as a Class aR high-speed fuse with a 200 kAIC interrupt rating for reliable, code-compliant protection in demanding DC power systems such as common bus, drives, and power converter circuits. Backed by IEC rating, UL recognition, CE marking, and RoHS compliance, this fuse is built to help maintain safe, dependable performance across professional electrical and industrial installations that rely on fast-acting, high-interrupt-capacity overcurrent protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 63A
- Application:
- DC common bus, DC drives, power converters/rectifiers
- Class:
- Class aR
- Clearing I2t:
- Clearing at 660V: 770
- Connection:
- Blade end X blade end
- Current Rating:
- 63A RMS
- Fuse Indicator:
- Non Indicating
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 115
- Voltage Rating:
- 1000 Vac
- Watt Losses:
- 14W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Length:
- 5.433 IN
- Product Height:
- 2.087 IN
- Product Weight:
- 1.6456 LB
- Product Width:
- .315 IN