The SF90SH5X5BP336 is a fuse manufactured by Eaton Bussmann. It is a square body fuse designed for the protection of semiconductor devices, particularly in power electronic applications. Its robust construction and specific electrical characteristics make it suitable for demanding environments where high fault currents and rapid response times are critical. This fuse is part of a larger family of fuses designed by Eaton to protect sensitive electronic equipment from overcurrent conditions.

Applications:

• Variable Frequency Drives (VFDs): Protection of IGBTs and other power semiconductors in VFDs.
• Uninterruptible Power Supplies (UPS): Safeguarding the rectifier and inverter sections of UPS systems.
• Solid State Relays (SSRs): Protecting the semiconductor switches within SSRs.
• Power Converters: Overcurrent protection in various AC-DC and DC-DC power converters.
• Inverters: Ensuring the reliable operation of solar inverters and other power inverters.

Features:

• Square Body Design: Provides high interrupting capacity and efficient heat dissipation.
• Semiconductor Protection: Specifically designed to protect sensitive semiconductor devices.
• High Interrupting Capacity: Capable of safely interrupting high fault currents.
• Fast Acting: Provides rapid response to overcurrent conditions.
• Bolted Connections: Ensures secure and reliable electrical connections.

Benefits:

• Enhanced Equipment Protection: Minimizes damage to expensive semiconductor devices.
• Improved System Reliability: Prevents system downtime due to overcurrent faults.
• Increased Safety: Reduces the risk of electrical hazards.
• Long Service Life: Robust construction ensures long-term performance.
• Reduced Maintenance Costs: Minimizes the need for equipment repairs and replacements.

The SF90SH5X5BP336 fuse typically has a voltage rating of 690VAC and an amperage rating of 336A. It features bolted connections for secure mounting and optimal current carrying capability. Its compact square body design allows for efficient use of space in electrical panels. The fuse element is enclosed in a ceramic body, providing excellent arc quenching and thermal stability. Refer to the Eaton Bussmann datasheet for detailed electrical characteristics, dimensions, and installation guidelines to ensure proper application and safe operation.