SG24PA300 - SURGE PROTECTION DEVICE TYPE 2 4P

Why Choose the SG24PA300?

The Lovato SG24PA300 Type 2 SPD delivers dependable surge protection for 230/400VAC installations. This 4‑pole, DIN rail solution features plug‑in cartridges and a rated discharge current In of 20kA per pole, safeguarding three‑phase plus neutral circuits. Conforming to IEC/EN 61643‑11 and designated SG2, it provides a compact, serviceable approach to protecting distribution boards and control panels where robust, standards‑compliant Type 2 protection is required.

Optimised for AC operation and suitable for photovoltaic applications, the SG24PA300 integrates easily into new builds and retrofits. Operating from −40 to +85 °C, it supports reliable performance in demanding environments. The pluggable format simplifies maintenance, minimising downtime during cartridge replacement while maintaining continuity across all four poles within 230/400VAC systems.

Key Benefits

• Type 2 surge protection in accordance with IEC/EN 61643-11.
• 20kA In per pole safeguards three-phase plus neutral circuits.
• Four-pole design for 230/400VAC distribution networks.
• DIN rail mounting for quick, tidy panel integration.
• Plug-in cartridges enable fast replacement and maintenance.
• PV application ready for AC-side protection.
• Wide -40 to +85 °C operating temperature range.
• Rated to operate reliably up to 2000 m altitude.

Technical Specification

• Product type designation: SG2
• Operating voltage type: AC
• Operating temperature: -40 to +85 °C
• Max altitude: 2000 m
• Weight: 496 g

What’s Included

• Lovato SG24PA300 Type 2 SPD, 4-pole assembly
• Pre-fitted plug-in surge protection cartridges
• Installation leaflet

Applications

• 230/400VAC three-phase distribution boards and switchboards
• Industrial and commercial control panels
• AC side of photovoltaic inverter installations
• Equipment subpanels requiring Type 2 surge protection
• Building services and plant rooms

Safety note: Install and commission only by a qualified electrician. Isolate the supply before work, follow IEC/EN 61643-11 and local regulations, and adhere to the manufacturer’s instructions for correct earthing and coordination.