Overview
The Ferraz Shawmut PC33UD69V800D1A is a high-capacity Protistor fuse engineered for demanding industrial distribution and equipment protection at 690 VAC. Rated for 800 amperes, this fuse offers robust current-limiting performance with ceramic construction and sand-fill technology, delivering fast fault isolation and equipment protection in medium-voltage industrial systems.
Key Features
- 800 A current rating with 690 VAC nominal system voltage
- PC33 Protistor series design for superior current limitation
- Ceramic fuse body with sand-filled core for reliable operation
- Industrial-grade construction for heavy-duty circuit protection
- Used, tested condition—fully functional for immediate deployment
Technical Specifications
- Nominal voltage: 690 VAC
- Current rating: 800 A
- Fuse series: PC33 Protistor
- Body material: Ceramic with silver-plated ferrules
- Construction: Sand-filled
- Part number: PC33UD69V800D1A
- Cross-reference: X300262
Typical Applications
The PC33UD69V800D1A is suitable for:
- Main feeder protection in 690V distribution systems
- Equipment and cable protection in industrial plants
- Motor starter and control circuit protection
- Fault current limitation in medium-voltage installations
- Industrial switchgear and power distribution cabinets
Compatibility & Replacements
Compatible With
- 690 VAC industrial distribution networks
- Medium-voltage fuse holders and bases designed for PC33 series
- Ferraz Shawmut and Mersen fuse mounting systems
- Standard NH-style fuse disconnects and holders
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Cross-reference part number X300262 with legacy Gould Shawmut documentation.
Works With
- Medium-voltage electrical distribution equipment
- Industrial control systems and switchgear
- UL and CSA certified fuse bases and holders
- Standard 690V AC industrial protection circuits




