Mersen PC91UG15C200TF Protistor High-Speed Fuse, 200A 1500VAC, Size 91 aR, Square Body Flush End with Striker (A076153)

Mersen Protistor® High-Speed Semiconductor Protection Fuse | 200A 1500VAC

The Mersen PC91UG15C200TF (Part Number: A076153) is a premium Protistor® square body fuse-link engineered for the specialized protection of power semiconductor devices. Rated at 1500VAC and 200A, this Size 91 fuse is designed to safeguard critical power conversion equipment, including SCRs, diodes, thyristors, GTOs, and IGBT devices.

Belonging to the URG design series, this fuse utilizes pure silver die-cut elements encapsulated in high-grade solidified sand. This construction ensures precise arcing control, providing low I²t clearing values and an exceptionally high breaking capacity of 200kA. All connecting surfaces are silver-plated brass to maintain low contact resistance, and the hardware is non-magnetic to prevent inductive heating. The unit includes an integrated striker for visual trip indication, which can also trigger an external microswitch for remote monitoring.

Key Features:

• Superior Semiconductor Protection: aR ultra-fast characteristic optimized for high-speed circuit interruption.
• High Interrupting Rating: 200kA breaking capacity ensures safety under maximum fault levels.
• Mechanical Reliability: Robust ceramic body construction with metric thread flush-end terminals for secure bolted mounting.
• Integrated Monitoring: Equipped with a low-voltage striker/trip-indicator for immediate fault detection.
• Efficient Operation: Optimized power dissipation (52W at rated current) to minimize thermal impact on cabinets.

Technical Specifications:

• Brand: Mersen
• Series: Protistor® Size 91 aR
• Model/Catalog No: PC91UG15C200TF
• Item Number: A076153
• Rated Current: 200A
• Rated Voltage: 1500VAC (IEC)
• Utilization Category: aR (Partial Range Semiconductor Protection)
• Breaking Capacity: 200kA
• Clearing I²t at Rated Voltage: 50 kA²s
• Power Dissipation: 52W
• Terminal Type: Flush ends (Metric threads)
• Body Material: Ceramic
• Dimensions: 51mm (W) x 62mm (H) x 101mm (L)
• Standards: IEC 60269-4