MidNite Solar 50A 300VDC DIN Rail Circuit Breaker

The MidNite MNEPV50-300-1PP Solar MNEPV50-300 is a single-pole, 50A hydraulic-magnetic circuit breaker rated at 300 VDC with a 10 kA interrupting capacity, designed for DC solar PV overcurrent protection and electrical isolation. Its ultra-compact 13 mm module width mounts on DIN rail with box-type main terminals, making it ideal for installers building combiner boxes and DC disconnects that demand reliable, temperature-independent 100% rating performance.

Key Features:

• 50A rating, 300 VDC polarised (Positive Bottom, B03)
• Hydraulic-magnetic technology, medium delay curve
• Interrupting capacity 300 VDC at 10 kA
• Single-pole, ultra-compact 13 mm module width
• Current range 0.5 A to 50 A
• DIN rail mount, box-type main terminals
• Operating temperature -40°F to 185°F
• Suitable for electrical isolation, on/off indication
• UL 489A, CSA C22.2 No. 5-16, IEC 60947-2
• RoHS compliant, 5-year warranty

Suited to solar PV combiner boxes, DC disconnects, and battery systems requiring compact, code-compliant overcurrent protection. Its 13 mm frame and DIN rail mounting integrate with MidNite Solar enclosures and other DC balance-of-system components, accepting 14-6 AWG wire and delivering 100% rating independent of ambient temperature. Order the MNEPV50-300-1PP (also listed as MNEPV503001PP) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.