VOLTAGE Surge arrester VLB12-275/4P B
€99,99
Sale price
€99,99
Regular price
€129,99
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VOLTAGE Surge arrester VLB12-275/4P B
€99,99
Sale price
€99,99
Regular price
€129,99
✓ TÜV sertifikuoti gaminiai
✓ 25+ metų patirtis
✓ Sandėlyje Lietuvoje
✓ Pristatymas per 1–2 d. d
✓ Nemokamas pristatymas nuo 100 €
✓ Profesionali konsultacija
VLB12-275/4P – T1 (B) surge arrester, designed for three-phase TN-S / TT systems at the building's main entrance. It helps protect electrical installations and connected equipment from lightning-induced and switching impulse overvoltages.
Key advantages
- Replaceable protection modules.
- Clear operational status indication, where provided in the model.
- Mounts on a standard 35 mm DIN rail.
- Suitable for electrical panels in residential, commercial, and industrial facilities.
Technical specifications
| Maximum continuous operating voltage Uc | 275 V AC |
| Impulse discharge current Iimp (10/350 µs) | 12.5 kA |
| Nominal discharge current In (8/20 µs) | 15 kA |
| Maximum discharge current Imax (8/20 µs) | 50 kA |
| Protection level Up | ≤ 1.8 kV |
| Number of poles | 4P |
| Protection class | T1 (B) |
| Degree of protection | IP20 |
| Mounting | 35 mm DIN rail |
| Standard | IEC/EN 61643-11 |
Installation and selection of the protective device must be performed by a qualified electrician, taking into account the electrical network diagram, grounding system, and manufacturer's requirements.