Suntree SISO-40 PV DC Isolator Switch – 1000V 32A 4P IP66

Suntree SISO-40 PV DC Isolator Switch – 1000V 32A 4P IP66 Outdoor DC Disconnect for Solar Systems

The Suntree SISO-40 is a rugged and weatherproof DC isolator switch designed for safely disconnecting solar PV arrays during installation, maintenance, or emergency shutdowns. Built to handle up to 1000V DC at 32A, this 4-pole switch is ideal for modern residential and commercial PV systems.

Enclosed in a robust IP66-rated housing, it is fully protected from dust, water, and UV exposure, making it a reliable choice for outdoor solar installations.

🔧 Key Specifications:

• Model: SISO-40

• Rated Voltage: 1000V DC

• Rated Current: 32A

• Poles: 4P (Double String Isolator)

• Ingress Protection: IP66 (weatherproof and dustproof)

• Standard Compliance:

  • IEC60947-3

  • AS60947.3

  • DC-PV2 / DC-21B

• Enclosure Material: UV-resistant thermoplastic

• Mounting: Surface-mounted

✅ Key Features:

• Designed for PV array isolation up to 1000V DC

• 4-pole configuration enables positive and negative disconnection for two strings

• Highly visible ON/OFF handle with lockable position for safety

• Flame-retardant, corrosion-resistant enclosure

• Suitable for wall mounting in outdoor environments

• Fast and safe shutdown during emergencies or maintenance

📦 Applications:

• Solar rooftop installations

• Commercial solar PV systems

• Battery-based and off-grid power systems

• Hybrid inverter disconnects

Ensure system safety and compliance with the Suntree SISO-40 DC Isolator Switch – the essential disconnect for reliable solar energy control.