The ESR 20A Rotary Isolator Switch is a weatherproof, heavy-duty disconnector designed for safe manual isolation of power circuits in both indoor and outdoor environments. Built to BS EN 60947-3 standards, it features a lockable handle, interlocked cover for added safety, and a compact enclosure for easy surface mounting. Its solid, durable thermoplastic housing makes it ideal for harsh UK weather conditions. With a selectable 3 Pole or 4 Pole configuration, this rotary switch is suitable for a wide range of domestic, industrial, and commercial applications, including HVAC systems, solar installations, and machinery shutdown controls.

⚙️ Applications
✅ Solar PV system isolation
✅ Commercial & residential AC/DC circuit isolation
✅ Garage or workshop main switch
✅ HVAC and fan motor control
✅ Industrial machinery safety disconnector
✅ Battery backup or inverter systems
✅ Outdoor plant room or distribution box

🌟 Key Features
✔️ 20A Rated Rotary Isolator – On-load disconnection capacity
✔️ Available in 3 Pole or 4 Pole – Select from dropdown menu
✔️ Weatherproof IP65 Enclosure – Ideal for outdoor mounting
✔️ Lockable Handle – Prevents tampering or accidental reactivation
✔️ Interlocked Front Cover – Only opens when switch is in OFF position
✔️ Cable Entry Knockouts (20mm) – Easy wiring access
✔️ Quick Installation – Removable switch for first-fix DIN rail work
✔️ Durable Housing – UV-resistant & impact-resistant thermoplastic
✔️ Compact Size – Fits tight installation spaces: 80mm x 100mm