BLP BC-12.5 V3+1 4-module SPD class 1+2
Description
- Combined surge protection devise Class 1+2
- Series FS BLAZE BC-12.5 with Iimp=12.5 kA
- Suitable for 3-phase AC network according to TT scheme with 4 wires:
phases (L1, L2, L3) + neutral (N)
- Designed to protect low-voltage distribution networks and connected equipment from impulse overvoltages during direct and indirect lightning strikes.
- Recommended for use in residential and administrative buildings of lightning protection classes III and IV
- Installed in the Main Distribution Board (MDB) at the boundary of LPZ 0 – LPZ1 zones
Construction:
- 3 modules with varistor arrester based on Metal Oxide Varistor (MOV)
+ module with sealed spark gap (SG) - Module replacement capability
- Visual + remote fault indication of the module
- TM “FS Lightning Protection” (Ukraine)
Connection according to 3+1 scheme:
- Phase wires (L1, L2, L3) to “L1”, “L2”, “L3” terminal on SPD
- Neutral N-wire to “N” terminal on SPD
- Grounding bus to “PE” terminal on SPD
Features
| article | BLP BC-12.5 V3+1 |
|---|---|
| code | 801 432 |
| number of poles | 4 |
| SPD class | 1+2 (B+C) |
| AC system | 3-фазних TT, TN-S, TN-C-S |
| Iimp | 12,5 kA (L/N) / 37,5 kA (N/PE) |
| Iimp total | 50 kA |
| Un | 230 V AC |
| Uc | 320 V (L/N) / 255 V (N/PE) |
| In | 30 kA (L/N) / 50 kA (N/PE) |
| Imax | 60 kA (L/N) / 100 kA (N/PE) |
| Up | 1,8 kV (L/N) / 1,5 kV (N/PE) |
| Ures | 1,35 kV |
| ta | 25 µs (L/N) / 100 µs (N/PE) |
| protection rating | IP20 |
| Protection | 160 A gL/gG |
| Ut | 355 V / 5 sec |
| Isscr | 25 kA |
| Operating temperature | -40C.. +80C |
| dimensions A1 x A2 | 90 x 72 mm |
| dimensions B1 x B2 x C | 80 x 52 x 35 mm |
| mounting | DIN рейка 35 мм |
| connecting | 1,5...25mm2 solid / 35mm2 flexible |
| price, uah | 7 296,00 |








