HAGER HA306 3-Pole Load Disconnector Switch 125A

In industrial and commercial electrical installations, safely isolating circuits for maintenance or emergency shutdown is critical. The HAGER HA306 3-pole load disconnector switch provides a reliable manual isolation point for three-phase circuits up to 125 A, ensuring safe disconnection under load conditions.

Who is it for

This switch is intended for electricians, panel builders, and maintenance technicians who need a robust DIN-rail mounted isolator for distribution boards, motor control centers, and machine supply circuits. It is suitable for use in commercial and industrial environments where dependable isolation is required.

Main features

• 3-pole switching for three-phase systems
• Rated current of 125 A for high-power circuits
• DIN rail mounting for easy integration into enclosures
• Screw terminals accommodate a wide range of conductor sizes
• High electrical endurance of 10,000 cycles

Specifications

• Number of poles: 3
• Rated operational voltage: 230/400 V AC
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Frequency: 50/60 Hz
• Flexible conductor capacity: 1.5 - 50 mm²
• Rigid conductor capacity: 1.5 - 70 mm²
• Tightening torque: 3.5 Nm
• Mechanical endurance: 20,000 cycles
• Operating temperature: -20 to 50 °C
• Storage temperature: -40 to 80 °C
• Power dissipation per pole: 3.5 W

Tips

Ensure the switch is installed in an enclosure that provides adequate protection against accidental contact. Use appropriate cable lugs or ferrules for reliable connections. Verify that the circuit is de-energized before installation or maintenance.