GD025AT3 Lovato DC SWITCH 32A 1000V DC21B DIRECT HANDLE

Why Choose the Lovato GD025AT3 DC Switch Disconnector?

The Lovato GD025AT3 is a compact two-pole 25 A DC switch disconnector designed specifically for photovoltaic and other compatible high-voltage DC isolation applications. Part of the Lovato GD photovoltaic switch disconnector series, it provides direct manual operation and is supplied complete with a black operating handle.

Designed for DC circuits up to 1000 V DC, the GD025AT3 provides a rated operational current of 25 A in DC-21A, DC-21B and DCPV1 utilisation categories at 1000 V DC. Its compact construction and flexible mounting arrangement make it suitable for integration into photovoltaic distribution equipment, control panels and dedicated DC isolation assemblies.

The GD025AT3 offers a rated insulation voltage of 1500 V, an impulse withstand voltage of 8 kV and a mechanical endurance of 10,000 cycles. Installation can be completed by screw mounting onto a plate or by fitting the device to a standard 35 mm DIN rail.

Key Advantages

• Purpose-designed DC switch disconnector for photovoltaic applications.
• 25 A DC-21B operational rating at 1000 V DC.
• Two-pole configuration for high-voltage DC circuit isolation.
• Direct-operating version supplied complete with a black handle.
• High 1500 V rated insulation voltage.
• Flexible screw-on plate or 35 mm DIN rail mounting.

Key Features

• Lovato GD photovoltaic switch disconnector series.
• 2-pole DC configuration.
• 25 A conventional free-air thermal current Ith at up to 40 °C.
• 25 A DC-21A at 600, 800 and 1000 V DC.
• 25 A DC-21B at 600, 800 and 1000 V DC.
• 25 A DCPV1 at 600, 800 and 1000 V DC.
• 1500 V rated insulation voltage Ui.
• 8 kV rated impulse withstand voltage Uimp.
• 0.5 kA short-time withstand current for 1 s.
• Mechanical endurance of 10,000 operating cycles.

Reliable DC Isolation for Photovoltaic Systems

Photovoltaic installations require switching equipment capable of safely making, carrying and breaking direct current at the system's operating voltage. The Lovato GD025AT3 is engineered for this purpose, providing dedicated DC-21A, DC-21B and DCPV1 ratings for photovoltaic and compatible high-voltage DC circuits.

Its direct black operating handle provides straightforward manual switching, while the compact two-pole construction and DIN rail or screw-mounting options simplify integration into electrical assemblies. With a 1500 V insulation rating and 25 A operational capability at 1000 V DC, the GD025AT3 provides a robust isolation solution for modern photovoltaic systems.

Typical Applications

• Solar photovoltaic DC circuit isolation.
• PV string and array switching systems.
• DC isolation for photovoltaic inverter installations.
• Solar combiner and distribution panels.
• Renewable-energy electrical equipment.
• Industrial high-voltage DC switching applications within the device ratings.