GD025AT3 Lovato DC SWITCH 32A 1000V DC21B DIRECT HANDLE
Lovato GD025AT3 is a two-pole direct-operating photovoltaic switch disconnector with black handle, rated 25 A DC-21B and DCPV1 at 1000 V DC for dependable high-voltage DC isolation.
SKU:GD025AT3
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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.
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.
Technical Specifications
Manufacturer
Lovato Electric
Series
GD Photovoltaic Switch Disconnectors
Model
GD025AT3
Product type
DC switch disconnector
Application
Photovoltaic DC isolation
Operating version
Direct operating
Handle
Black handle included
Number of poles
2
Operating voltage type
DC
IEC conventional free-air thermal current Ith
25 A at ≤40 °C
Rated insulation voltage Ui
1500 V
Rated impulse withstand voltage Uimp
8 kV
DC-21A operational current
25 A at 600 / 800 / 1000 V DC
DC-21B operational current
25 A at 600 / 800 / 1000 V DC
DCPV1 operational current
25 A at 600 / 800 / 1000 V DC
Maximum power dissipation per pole
0.8 W
Rated short-time withstand current Icw (1 s)
0.5 kA rms
Mechanical life
10,000 cycles
Mounting
Screw on plate or 35 mm DIN rail
Terminal type
Screw with washer, M4
IEC conductor capacity
1–10 mm²
Conductor capacity
AWG 18–8
Terminal tightening torque
1.2–1.6 Nm
Normal operating position
Vertical plane
Permitted operating position
Any
Operating temperature
-25 to +55 °C
Storage temperature
-40 to +70 °C
Maximum installation altitude
3000 m
Frontal protection
IP20
Standards
IEC/EN 60947-1, IEC/EN 60947-3
Weight
190 g
EAN
3850144156463
HS code
85365080
Frequently Asked Questions
What is the Lovato GD025AT3 used for?
The GD025AT3 is a two-pole DC switch disconnector designed primarily for manual isolation of photovoltaic and compatible high-voltage DC electrical circuits.
What is the DC-21B rating of the GD025AT3?
The GD025AT3 has a rated operational current of 25 A DC-21B at 1000 V DC. It is also rated at 25 A DC-21B at 600 and 800 V DC.
Is the GD025AT3 suitable for photovoltaic applications?
Yes. The GD025AT3 is specifically designed for photovoltaic applications and carries a DCPV1 operational rating of 25 A at up to 1000 V DC.
Does the Lovato GD025AT3 include an operating handle?
Yes. The GD025AT3 is a direct-operating version supplied complete with a black operating handle.
How is the GD025AT3 mounted?
The switch disconnector can be screw-mounted onto a plate or fitted to a standard 35 mm DIN rail, providing flexible installation within photovoltaic and industrial electrical assemblies.
Trusted by Solar Installers and Electrical Engineers
Lovato GD photovoltaic switch disconnectors provide solar installers, panel builders and electrical engineers with purpose-designed high-voltage DC isolation solutions for dependable switching in photovoltaic arrays, inverter systems and renewable-energy electrical equipment.
Manufacturer
Lovato Electric
Series
GD Photovoltaic Switch Disconnectors
Model
GD025AT3
Product type
DC switch disconnector
Application
Photovoltaic DC isolation
Operating version
Direct operating
Handle
Black handle included
Number of poles
2
Operating voltage type
DC
IEC conventional free-air thermal current Ith
25 A at ≤40 °C
Rated insulation voltage Ui
1500 V
Rated impulse withstand voltage Uimp
8 kV
DC-21A operational current
25 A at 600 / 800 / 1000 V DC
DC-21B operational current
25 A at 600 / 800 / 1000 V DC
DCPV1 operational current
25 A at 600 / 800 / 1000 V DC
Maximum power dissipation per pole
0.8 W
Rated short-time withstand current Icw (1 s)
0.5 kA rms
Mechanical life
10,000 cycles
Mounting
Screw on plate or 35 mm DIN rail
Terminal type
Screw with washer, M4
IEC conductor capacity
1–10 mm²
Conductor capacity
AWG 18–8
Terminal tightening torque
1.2–1.6 Nm
Normal operating position
Vertical plane
Permitted operating position
Any
Operating temperature
-25 to +55 °C
Storage temperature
-40 to +70 °C
Maximum installation altitude
3000 m
Frontal protection
IP20
Standards
IEC/EN 60947-1, IEC/EN 60947-3
Weight
190 g
EAN
3850144156463
HS code
85365080
No documents available for this product.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...