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Mersen A050F300 Protistor Ultra-Fast aR Semiconductor Protection Fuse, 500V 300A

SKU: CP101684
Model: A050F300
Product Condition: Certified Pre-owned
$19.95

Mersen A050F300 Protistor semiconductor fuse delivers ultra-fast aR protection at 500V and 300A, designed to limit let-through energy and protect sensitive power electronics in high-performance drive and converter systems.

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Estimated delivery: 3 days
One year warranty
Free return within 30 days of purchase.
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Product Description

Mersen A050F300 Protistor aR Fuse for High-Speed Semiconductor Protection

The Mersen A050F300 Protistor fuse is engineered to protect sensitive power semiconductor devices by rapidly disconnecting during overcurrent conditions. Rated at 500V AC/DC and 300A, it is purpose-built for high-performance power electronic systems requiring precise fault limitation.

Ultra-Fast aR Protection for Power Electronics

  • aR operating class designed for semiconductor protection
  • Ultra-fast acting response to minimize let-through energy
  • Optimized for protection of IGBTs, thyristors, and diodes
  • Low I²t characteristics to reduce peak fault stress

Round-Body Construction for High-Current Systems

The A050F300 features a North American round-body design intended for bolted mounting in high-current applications. Its internal construction supports rapid arc control and reliable performance under demanding electrical conditions.

Industrial Power Electronics Applications

  • Inverters and power converters
  • AC and DC motor drives
  • Rectifiers and UPS systems
Specifications
Specifications
MPN A050F300
Product Condition Certified Pre-owned
Shipping Length (in.) 5
Shipping Width (In.) 5
Shipping Height (In.) 5
Condition Type Certified Pre-Owned
Item Returns This item can be returned
Brand Mersen
Model Number A050F300
Product Line Protistor
Product Type Ultra-Fast Semiconductor Protection Fuse
Current Rating 300 Amps
Voltage Rating 500 V AC / 500 V DC
Operating Class aR (High-Speed Semiconductor Protection)
Body Style North American Round Body
Mounting Method Bolt-On Mounting
Construction Silver Fuse Elements with Sand-Filled Arc Quenching
Primary Function Limitation of let-through energy (I²t) during faults
What's in the box?
  • 1 x Mersen A050F300 Protistor Ultra-Fast Semiconductor Fuse
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