Hager 63 A 4‑Pole Centre‑Off Changeover Switch for DIN‑Rail

Model: SF463

Rated Current (Ie): 63 A AC (AC‑23 load category)

Pole Configuration: 4‑Pole (L1, L2, L3, Neutral) – all conductors switched simultaneously

Switch Function: ON‑OFF‑ON (centre‑off) manual changeover – ensures safe isolation between power sources

Rated Operational Voltage (Ue): 400 V AC (line-to-line)

Insulation & Impulse Voltage:

• Ui: 500 V AC

• Uimp: 4 kV

Short-Circuit Ratings with gl/gG Fuses:

• Icw (1s withstand): ~0.6 kA

• Icm (making capacity): ~0.48 kA

• Icc rated with protective upstream fusing: 6 kA

Number of DIN Modules: 8 modules (~143 mm total width)

Dimensions: Height ~90 mm, Depth ~72 mm

Terminal Conductor Capacity: Rigid up to 25 mm²; Flexible up to 16 mm²; Torque ~2.9 Nm

Power Loss at Rated Load: Approximately 7.2 W total (≈1.8 W per pole)

Operating Temperature Range: –25 °C to +50 °C (storage up to +80 °C)

Endurance Ratings:

• Mechanical: ~100,000 switching cycles

• Electrical (AC‑21 load category): ~5,000 switching cycles

Ingress Protection Rating: IP20 (enclosed use only)

Standard Compliance: IEC 60947‑3 for changeover switches and IEC 60947‑1 for mechanical and insulation performance