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GLD0250T4C3 Lovato 4P SWITCH DISCONNEC. 250A 1500V DC21B
Lovato GLD0250T4C3 is a four-pole 250 A DC switch disconnector rated for DC-21B and DCPV-1 operation up to 1500 V DC for photovoltaic and high-voltage DC isolation applications.
£287.38
Why Choose the Lovato GLD0250T4C3 4-Pole DC Switch Disconnector?
The Lovato GLD0250T4C3 is a high-capacity four-pole DC switch disconnector designed for photovoltaic and high-voltage DC isolation applications. Part of the Lovato GLD switch disconnector series, it combines a 250 A conventional free-air thermal current rating with operational capability at voltages up to 1500 V DC.
Engineered for demanding DC installations, the GLD0250T4C3 is rated for 250 A at 1500 V DC in the DC-21B utilisation category. It also carries a DCPV-1 rating of 250 A at 1500 V DC, making it particularly suitable for photovoltaic generation systems where reliable high-voltage DC switching and isolation are essential.
The GLD0250T4C3 supports direct operation and door-coupled operation and can be installed by screw fixing on a plate or on a 35 mm DIN rail. Its robust M8 × 25 terminals accommodate large conductors, providing a practical solution for high-current PV arrays, DC distribution panels and industrial power systems.
Key Advantages
- High-capacity 250 A four-pole DC switch disconnector.
- Rated for DC-21B operation at up to 1500 V DC.
- DCPV-1 rated for demanding photovoltaic applications.
- Four-pole configuration for coordinated switching of multiple DC conductors.
- Supports both direct and door-coupled operation.
- Flexible screw-on-plate or 35 mm DIN rail mounting.
Key Features
- Lovato GLD switch disconnector series.
- 4-pole configuration.
- 250 A conventional free-air thermal current Ith at up to 40 °C.
- 250 A DC-21B operational current from 600 to 1500 V DC.
- 250 A DCPV-1 operational current at up to 1500 V DC.
- 1500 V rated insulation voltage Ui.
- M8 × 25 terminals for high-current connections.
- Any operating position permitted, with the normal mounting position on a vertical plane.
- Designed specifically for photovoltaic DC applications.
Reliable High-Voltage DC Isolation for Photovoltaic Systems
High-voltage photovoltaic installations require switching devices capable of safely isolating DC circuits under demanding operating conditions. The Lovato GLD0250T4C3 provides 250 A switching capability at up to 1500 V DC, making it well suited to modern high-voltage solar arrays and industrial DC distribution systems.
Its four-pole architecture, DCPV-1 photovoltaic rating and flexible mounting arrangement allow the switch to be incorporated into a wide range of DC panels and enclosures. Direct and door-coupled operating options also provide flexibility when designing accessible and safely isolated electrical assemblies.
Typical Applications
- Photovoltaic DC isolation systems.
- 1500 V DC solar power installations.
- PV combiner and distribution panels.
- Solar inverter input isolation.
- High-current DC electrical distribution systems.
- Industrial DC switchboards and control panels.
Technical Specifications
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| Current | 250 A | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Poles | 4-pole | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | GLD | |
| Model | GLD0250T4C3 | |
| Product type | DC switch disconnector | |
| Application | Photovoltaic and high-voltage DC isolation | |
| Number of poles | 4 | |
| Operating voltage type | DC | |
| IEC conventional free-air thermal current Ith | 250 A at ≤40 °C | |
| Rated insulation voltage Ui | 1500 V | |
| DC-21B operational current | 250 A at 1500 V DC | |
| DCPV-1 operational current | 250 A at 600, 800, 1200 and 1500 V DC | |
| Installation | Screw mounting on plate or 35 mm DIN rail | |
| Normal operating position | Vertical plane | |
| Permitted operating position | Any | |
| Terminal type | M8 × 25 | |
| Terminal tightening torque | 15–22 Nm | |
| IEC conductor section | 70–185 mm² | |
| Conductor capacity | 2/0 AWG to 400 kcmil | |
| Operating temperature | −25 to +55 °C | |
| Storage temperature | −40 to +70 °C | |
| Maximum altitude | 3000 m | |
| Pollution degree | 3 | |
| Standards | IEC/EN/BS 60947-1, IEC/EN/BS 60947-3 | |
| Weight | approx. 2.175 kg |
Frequently Asked Questions
What is the Lovato GLD0250T4C3 used for?
The GLD0250T4C3 is a four-pole DC switch disconnector designed for switching and isolation in photovoltaic and other high-voltage DC electrical systems.
What is the current rating of the GLD0250T4C3?
The switch has an IEC conventional free-air thermal current Ith of 250 A and is rated for 250 A DC-21B operation at voltages up to 1500 V DC.
Can the GLD0250T4C3 switch 1500 V DC circuits?
Yes. The GLD0250T4C3 is rated for 250 A at 1500 V DC in the DC-21B utilisation category and also carries a 250 A DCPV-1 rating at 1500 V DC.
Is the GLD0250T4C3 suitable for photovoltaic systems?
Yes. The GLD0250T4C3 is specifically designed for photovoltaic applications and has DCPV-1 operational ratings for high-voltage PV DC switching.
How is the GLD0250T4C3 installed?
The switch can be screw-mounted on a plate or installed on a 35 mm DIN rail and supports both direct and door-coupled operating arrangements.
Trusted for Industrial and Photovoltaic DC Isolation
Lovato Electric GLD switch disconnectors provide dependable high-voltage DC isolation for photovoltaic and industrial power systems, combining robust switching performance with flexible installation and operating options.
