Hager Changeover Switch – 40A, 4 Pole, DIN Rail Mount, Centre Off

Model: SFT440

Rated Current (Ie): 40 A AC (AC-22A category)

Poles: 4 (L1, L2, L3 + Neutral)

Switching Function: Manual ON–OFF–ON (centre-off)

Mounting: 35 mm DIN rail (modular)

Width: 4 DIN modules (~70 mm)

Rated Operational Voltage (Ue): 400 V AC

Insulation Voltage (Ui): 440 V

Impulse Withstand Voltage (Uimp): 4 kV

Short-Circuit Withstand:

• Icw: 0.6 kA (1s)

• Icm: 0.48 kA

Terminal Capacity:

• Rigid: up to 16 mm²

• Flexible: up to 10 mm²

• Terminal torque: 1.8 Nm

Power Loss: Approx. 8.4 W total (~2.1 W per pole)

Ingress Protection: IP20 (when installed in enclosure)

Standards Compliance: IEC 60947-3, IEC 60947-1

Mechanical Life: ~200,000 cycles

Electrical Life (AC-22A): ~25,000 operations

Operating Temperature Range: –20°C to +50°C