25kA Single Phase Type 1 Surge Protection Device 275V 1+1 Class I for TT TN-S Systems
Professional 25kA single-phase Type 1 surge protection device designed for robust lightning protection in TT and TN-S electrical systems.
- High durability - sustains thousands of lightning strikes
- Clear status indication for monitoring
- Type 1, Class I protection classification
- Available in multiple pole configurations: 1P, 2P, 3P, 4P, 1+1, 3+1
- Specifically designed for TT systems and building protection
| Parameter | BR-25GR 275 1+1 |
|---|---|
| Product Type | Surge Arrester |
| EN61643-11 Classification | Type 1 |
| IEC61643-11 Classification | Class I |
| Max Continuous Operating Voltage (Uc) | 275V |
| Lightning Impulse Current (10/350µs) | 25kA |
| Nominal Discharge Current (8/20µs) | 25kA |
| Voltage Protection Level (Up) | ≤1.8kV |
| Follow Current Extinguishing Capability | 3kA rms |
| Max Backup Fuse | 315A gG |
| Response Time | ≤100ns |
| Mounting | 35mm Din rail |
| Protection Degree | IP20 |
| Operating Temperature | -40℃ to +80℃ |
| Wire Cross-section | 4mm² - 35mm² |
| Enclosure Material | Thermoplastic UL94-V0 |
Designed for robust performance in SPD distribution networks, protecting critical infrastructure in commercial and industrial settings.
Backed by decades of expertise in SPD engineering, combining innovation with adaptability for reliable protection.
Provides peace of mind for household applications with simple installation and reliable performance.
Britec operates advanced testing equipment and production lines with perfect management systems. Our professional technical team continuously develops new products, maintaining leading technical levels and supporting OEM/ODM services.
Our comprehensive SPD product range holds CE, RoHS, TUV, SEMKO, and CB certifications, supported by ISO9001 quality management system implementation.
A: We operate our own factory with in-house test laboratory and R&D department boasting over 21 years of experience.
A: Fast 3-week delivery and quality recognized through cooperation with transnational companies.
A: Yes, we provide both standard international packaging and custom packaging according to customer requirements.
A: Yes, we accept both OEM and ODM orders with proper brand authorization.
A: We provide a 5-year warranty on our surge protection devices.
A: Yes, we support sample orders and small quantity purchases, especially for new customers.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.