Hager SBN440 4-Pole 40A Disconnect Switch / Isolator

The Hager SBN440 is a high-quality 4-pole disconnect switch / isolator designed for reliable isolation and switching of electrical circuits. With a rated current of 40 A and voltage rating of 230/400 V AC, it is suitable for a wide range of industrial and commercial applications. This device complies with EN 60947-3 and offers robust performance with electrical endurance of 10,000 cycles and mechanical endurance of 20,000 cycles.

Advantages

• Reliable isolation and switching performance
• Compact 4-module design for DIN rail mounting
• High electrical and mechanical endurance
• Wide operating temperature range from -20 to 50 °C
• Easy connection with rigid or flexible cables up to 35 mm²

Suitable for

• Industrial control panels
• Commercial distribution boards
• Isolation of electrical circuits for maintenance
• Switching applications in low-voltage installations

Key specifications

• Number of Poles: 4P
• Rated Current (In): 40 A
• Rated Operational Voltage (Ue): 230/400 V AC
• Rated Insulation Voltage (Ui): 500 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Frequency: 50/60 Hz
• Mounting Type: DIN Rail
• Module Width: 4 Modules (70 mm)
• Connection Capacity (Rigid Cable): 1.5 - 35 mm²
• Connection Capacity (Flexible Cable): 1.5 - 25 mm²
• Degree of Protection (Terminals): IP20
• Degree of Protection (Front Face): IP40 (in enclosure)
• Operating Temperature: -20 to 50 °C
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles
• Standard: EN 60947-3
• Function: Disconnect Switch / Isolator
• Rated Short-Time Withstand Current (Icw): 1.5 kA for 1s

Recommendations

For optimal performance, ensure proper installation on a DIN rail and use appropriate cable sizes. This device is ideal for isolating circuits in industrial environments where reliability and safety are paramount.