Projoy Firefighter Safety Switch 20 Pole 10 String with MC4 20A per String

Projoy Firefighter Safety Switch 20 Pole 10 String with MC4 20A per String

#2:PEFS-EL50H-20-P2  Switches - Firefighter Safety

Projoy Firefighter Safety Switch Datasheet

Projoy Firefighter Safety Switch Installation Manual

String Level Rapid Shutdown Device – 6 to 10 Strings

Enhance the safety and reliability of your photovoltaic system with the PEFS String Level Rapid Shutdown Device. Designed as a critical safety solution for modern PV installations, this device provides essential protection by swiftly disconnecting DC strings in the event of an emergency, such as a fire outbreak.

Built with a durable IP66-rated enclosure, it ensures long-term performance even in demanding outdoor conditions, offering installers and system owners peace of mind with every installation.

Key Features

• 🛡️ Enhanced Safety – Protects PV systems by rapidly shutting down connected strings during emergencies.

• ⚡ Fast DC Disconnection – Acts as a first line of defence by isolating DC circuits quickly.

• 🌦️ IP66 Protection – Dust-tight and moisture-resistant for outdoor durability.

• 🔄 Automatic Operation –

  • Switches off automatically if AC power is interrupted for more than 5 seconds.

  • Restores automatically when AC power is present for more than 5 seconds.

• 🔒 Reliable Build – Engineered for long-lasting performance in residential, commercial, and industrial PV setups.

• ✅ 5-Year Warranty – Ensures dependable protection over the long term.

Technical Specifications

• Weight: 4 kg

• Poles: 20

• Max Cable Size: 6 mm²

• Max Voltage: 1,500 V

• Rated Current & Voltage Options:

  • 50 A @ 1,000 V

  • 40 A @ 1,200 V

  • 30 A @ 1,500 V

• Enclosure Rating: IP66

• Application: Suitable for 6–10 PV strings

Why Choose This Rapid Shutdown Device?

This string-level shutdown solution is essential for PV system safety compliance, emergency preparedness, and risk reduction. By isolating PV strings instantly during faults or fire events, it helps protect property, equipment, and lives.

⚡ Ensure maximum safety, compliance, and reliability in your solar installation with the String Level Rapid Shutdown Device for 6–10 strings.