Projoy 4 String 8 Pole String Level Rapid Shutdown Device

The Projoy PEFS-EL50H-8-P2 is a string-level rapid shutdown device (RSD) designed for 4 PV strings across 8 poles in commercial and utility solar arrays. Rated for a maximum PV input of 1500 VDC and 30 A per string, it delivers a physical isolation output of 0 V on activation for safe module-level de-energization. Built to IP65 and certified to UL 1741 and ETL/CSA, it suits demanding Canadian outdoor installations.

Key Features:

• String-level rapid shutdown for 4 strings, 8 poles
• Max PV input 1500 VDC, 30 A per string
• Physical isolation output 0 V on shutdown
• System voltage range 300 to 1500 VDC
• Operating voltage 100 VAC to 270 VAC
• Output 230 VAC, nominal current 30 mA
• Dry contact communication, FB1/FB2 250 VAC 16 A
• Automatic shutdown at +70C, IP65 enclosure
• Operating temperature -40F to 158F
• UL 1741, ETL/CSA certified, 25-year service life

Ideal for commercial and utility-scale PV systems requiring code-compliant rapid shutdown, this device integrates with 1500 VDC string arrays via dry contact control. Its IP65 rating and -40F operating range make it well suited to harsh Canadian climates, delivering reliable module de-energization over a 25-year service life. Order the PEFS-EL50H-8-P2 (also listed as PEFSEL50H8P2) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.