A DP (Double-Pole) switch is used when you want to switch OFF/ON both the live and neutral at the same time. Very common in mains-powered equipment where full isolation matters.
🔹 DP 40A switch — when it’s normally used
Typical load: up to ~9 kW (at 230V)
Common scenarios
Electric cookers & ovens
Large geysers / instant water heaters
Industrial heaters
Sub-main isolation
Air-conditioning units (large)
Distribution board isolator
Why 40A?
👉 Think serious power draw 🔥