The Industrial Superimmunised Differential Switch 2P 30mA 40A 10kA Class AC LEGRAND DX³ Hpi 411591 with mixed head captive screws and with clamping for 25 mm² flexible or 35 mm² rigid cables complying with UNE EN 61008-1. Suitable for auxiliaries, motorised controls and DX³ connection modules (except Type B). Features of the Industrial Superimmunised Differential Switch 2P 30mA 40A 10kA Class AC LEGRAND DX³ Hpi 411591- Protects residential and small commercial installations.- Protected against overloads and short circuits up to 10 kA.- Top input and output terminals for direct tapping.- Permanent coil protection against overvoltage in accordance with EN-50550. - They allow power supply by combs. -AC type: AC component fault detection.-Type A: fault detection of AC and DC components.-Type Hpi: detection of AC and DC component failures (type A) with enhanced immunity to untimely tripping (disturbed environments: computer circuits, lightning strikes, fluorescent lamps, etc.). Reference: 4