Ferraz Shawmut PC72UD11C800TF H300502 aR Fuses (3 Pieces)

Product Name: Protistor® Size 72 AR Fuse Manufacturer: Mersen Model Number: PC72UD11C800TF (Mersen Ordering Code: H300502)

Key Specifications:

• Voltage Ratings:
  • AC Working Voltage: 850 – 1250 VAC
  • Impulse Withstand Voltage (IEC): 1300 VAC
• Ampere Rating: 800 A
• Fuse Size: Size 72
• Utilization Category: aR (Partial Range Breaking Capacity - for semiconductor protection)
• Standards Compliance:
  • IEC 60269-4-1
  • UL 248-13
• Mounting: Bolt-on
• Visual Blow Indication: Top Indicator

Description & Applications:

The Mersen Protistor® Size 72 AR fuse (PC72UD11C800TF) is a robust, partial range breaking capacity fuse specifically engineered to provide superior protection for power semiconductors. Designed for high-voltage AC systems, it offers fast-acting current limitation to safeguard diodes, thyristors, IGBTs, and other sensitive components from short-circuit damage.

Key Features & Benefits:

• Dedicated Semiconductor Protection (aR): Optimized for the demanding protection requirements of power semiconductors.
• High Breaking Capacity: Safely interrupts high fault currents to prevent catastrophic equipment failure.
• Compact Size 72 Footprint: Offers a balance of performance and size for space-constrained applications.
• Broad Voltage Range (850-1250VAC): Suitable for a wide range of high-voltage industrial applications.
• Visual Blow Indication: Provides immediate visual confirmation of fuse operation, simplifying maintenance and troubleshooting.
• Global Standards Compliance: Meets IEC and UL standards, ensuring suitability for global markets.
• Bolt-on Installation: Facilitates secure and reliable mounting.

Typical Applications:

• High Power Rectifiers
• Large Variable Speed Drives (VSDs) and Motor Drives
• High-Capacity UPS Systems
• Industrial Power Converters
• Heavy Industrial Equipment
• High-Voltage Power Control Systems