A ceramic electric safety device is a protective electrical component designed to safeguard circuits, appliances, and users from hazards such as overloads, short circuits, overheating, or electrical faults
Specifications
Material & Construction
• Body Material: High-grade ceramic/porcelain
• Properties:
• High heat resistance
• Flame-retardant
• Strong electrical insulation
• Non-flammable and non-conductive
• Contacts/Terminals: Copper, phosphor bronze, or brass
• Finish: Glazed ceramic surface to resist moisture and dust
2. Electrical Ratings
• Rated Voltage: 220–240V AC (single-phase) or 415V AC (three-phase)
• Rated Current: Common ratings include 6A, 15A, 30A, 60A, 100A, 200A (depending on model)
• Breaking Capacity: Typically 6kA–20kA depending on fuse wire or cartridge type
• Frequency: 50/60 Hz
3. Temperature Resistance
• Operating Temperature Range: –10°C to +85°C
• Thermal Endurance: Ceramic withstands very high temperatures without deforming
• Fire Safety: Non-combustible and heat-proof
4. Protection Features
• Protection Type: Overload and short-circuit protection
• Fuse Compatibility:
• Rewirable fuse wire (for Kit Kat type)
• Ceramic cartridge fuse (for enclosed types)
• Fault Interruption: Fast and safe disconnection when current exceeds rated value
• Arc Suppression: Ceramic body limits arc flash spread during fault interruption
5. Mechanical Features
• Design: Rigid ceramic block or carrier with metal terminals
• Mounting: Surface-mounted on boards or inside distribution panels
• Fuse Carrier: Removable carrier for easy inspection and replacement (for rewirable fuse type)
• Durability: Highly resistant to cracking and moisture absorption
6. Safety & Compliance
• Insulation Category: High dielectric strength
• Standards: Manufactured to IEC/EN fuse protection standards
• Environmental Safety: Corrosion-proof, moisture-proof, and dust-resistant
7. Applications
• Domestic and industrial fuse units
• Distribution boards
• Electrical panels
• Protection of lighting, appliances, and small machinery
• Backup protection in control circuits