Schneider Electric provides a Solar Disconnect Switch solution encompassing all of the quality, durability and ease of use for Photovoltaic applications. The product offering spans 30–100 A, 2- and 3-pole fusible and non-fusible Heavy Duty Safety Switches. All Square D® brand heavy duty safety switches with dc ratings (2- and 3-pole fusible and non-fusible) are Underwriters Laboratories® (UL®) Listed for use on dc applications when properly wired. Additionally:

• Heavy duty safety switches are rated for 600 Vdc maximum open circuit voltage
• Non-fusible safety switches may carry 100% of the nameplate current rating
• Fusible safety switches may carry 80% of nameplate current rating (continuous use)
• Heavy duty switches are dc horsepower rated as indicated on the safety switch wiring diagram
• Heavy duty switches have a 10,000 amperage dc short-circuit rating unless otherwise stated on the switch wiring diagram