MidNite Solar 40A 300VDC DIN Rail Breaker (1 Pole)

The MidNite Solar MNEPV40-300-1PP is a single-pole, hydraulic-magnetic circuit breaker rated at 40A and 300VDC for solar PV and DC system protection. Built on the YA frame with medium time-delay tripping and a 10 kA interrupting capacity, it delivers 100% rating capability independent of ambient temperature. DIN-rail mountable with box terminals, it suits installers needing dependable electrical isolation across a wide operating range.

Key Features:

• 40 A rating at 300 VDC, 1 pole
• Hydraulic-magnetic technology, medium delay curve
• Interrupting capacity 10 kA @ 300 VDC
• 100% rating, independent of ambient temperature
• DIN rail mounting, 13 mm module width
• Box terminals, 2.5-16 mm², 14-6 AWG
• Terminal torque 3.5 N.m (IEC) / 30 lbf.in (UL)
• Operating temperature -40°F to 185°F
• Certified UL 489A, CSA C22.2 No. 5-16, IEC 60947-2, CE
• Rated impulse withstand 4 kV, 5-year warranty

Ideal for solar PV DC circuit protection and electrical isolation, this polarised breaker (positive bottom) can be switched on immediately after tripping and provides clear ON/OFF indication. Its DIN-rail form factor integrates cleanly into combiner boxes and DC distribution panels. Order the MNEPV40-300-1PP (also listed as MNEPV403001PP) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.