Meet the Hager ADX490D four-pole Leitungsschutzschalter designed for reliable protection in three‑phase electrical systems. This device combines overcurrent protection with precise residual-current detection to deliver fast disconnection and enhanced safety, while keeping installation straightforward. With top specifications including a 10 kA breaking capacity, a 40 A rating, a 30 mA residual current, and Type A sensitivity, it is an excellent choice for modern panels.

• 4-pole configuration protects all phases and neutral in a single device, simplifying wiring and coordination.
• 10 kA breaking capacity delivers robust short-circuit protection for demanding loads.
• C40A (C-curve) tripping characteristic provides fast yet reliable response to common faults.
• 40 A rated current suits standard distribution circuits without unnecessary trips.
• 0.03 A residual current (30 mA) protection adds reliable leakage sensing to protect people and equipment.
• Type A sensitivity detects pulsating DC leakage common in modern electronics.

Together, the ADX490D delivers robust overload and leakage protection in one compact unit, helping safeguard people and equipment while simplifying panel design. Upgrade your installation today by adding the ADX490D to your breaker lineup and enjoy dependable, code-compliant protection.