Standards and certifications
โ IEC/EN 61643-11 compliant
โ CE and RoHS certified
โ Class II SPD for low-voltage power distribution
Applications
โ Secondary protection in industrial and commercial distribution panels
โ First-stage SPD in buildings without direct lightning exposure
โ Smart building AC systems with PLC control
โ HVAC, variable frequency drives, and PLC automation
โ UPS systems, telecom equipment, and critical instrumentation
TPK-40 Series โ Wiring Configuration
| Sub-model | System Type | Wiring Configuration | Description |
| TPK-40-xxx/1+0(S) | TNS / TNC | Single-phase / 3-phase (no N) | Standard modular SPD for AC mains |
| TPK-40-xxx/1+1(S) | TT | L-N + N-PE | Reliable TT protection with dual-path surge discharge |
| TPK-40-xxx/2+0(S) | TNS | L + N | Protects 2-wire systems from transient overvoltages |
| TPK-40-xxx/3+0(S) | TNC | L1 + L2 + L3 | For 3-phase ungrounded or shared N setups |
| TPK-40-xxx/3+1(S) | TT | L1 + L2 + L3 + N + PE | Full TT protection with separate neutral path |
| TPK-40-xxx/4+0(S) | TNS | L1 + L2 + L3 + N | Full TNS SPD coverage |
