DEHNshield DSH B TT 255 FM
| Type of manufacturer: | DSH B TT 255 FM |
|---|---|
| Manufacturer Art. No.: | 941316 |
| Art. Nr.: | 13959 |
| Pieces per package unit: |
|
| Accessory type: | Overvoltage protection |
Prices are only visible to business customers upon successful registration.
Available from stock
Product number:
13959
Description
DEHNshield DSH B TT 255 FM
The DEHNshield DSH B TT 255 FM provides reliable protection for your electrical installation against overvoltages. The Type 1+2 combination arrester is ideal for TT and TN-S systems with overhead line feed – particularly in residential buildings without external lightning protection. Thanks to space-saving spark gap technology, you only need one unit per pole and benefit from quick, straightforward mounting on the DIN rail.
Product benefits
- Optimal protection for TT and TN-S systems with overhead line feed
- Saves space with just 1 U/pole thanks to innovative spark gap technology
- High lightning current carrying capacity of up to 30 kA (10/350 µs)
- With potential-free changeover contact for remote monitoring
- Response time under 100 ns for lightning-fast protection
- Thermoplastic housing with IP 20 for safe indoor use
Product features
- Combined arrester Type 1 + Type 2 in accordance with EN 61643-11 / IEC 61643-11
- Rated voltage: 230/400 V AC at 50/60 Hz
- Maximum permissible continuous voltage: 255 V
- Total lightning surge current: 30 kA
- Protection level [L-N]/[N-PE]: ≤ 1.5 kV
- Mounting width: 4 TE, mounting on 35 mm top-hat rail
- Function/fault indicator green/red
- Operating temperature range: -40 °C to +80 °C
- Protection class: IP 20, indoor installation
- VDE-certified with FM changeover contact