MidNite Solar Surge Protection Device 300VDC

The MidNite Solar MNSPD-300-DC is a single-pole DC surge protection device built to protect solar power systems from transient overvoltage. Rated for 0 to 300 VDC nominal with a maximum operating voltage of 385 VDC, it is designed for off-grid PV combiners and charge controller inputs. Certified to UL1449 4th Ed. Type 1, it delivers 80kA of surge current per phase with an internal thermal disconnector for reliable protection.

Key Features:

• Voltage rating 300 VDC, nominal 0 to 300 VDC
• Maximum operating voltage 385 VDC
• Surge current per phase 80kA
• MCOV 470V L-N, SCCR 10kA
• VPR line to ground 1200V, VPR 600V/3kA 1200V
• 1 O, 3-wire (2 legs), 1 pole
• Internal fuse thermal disconnector
• Blue LED indicates voltage between L1 and L2
• UL1449 4th Ed. Type 1 certified
• 5 x 4 x 4 in, 1 lb, 5-year warranty

Ideal for off-grid PV combiners and charge controller inputs up to 300VDC, this device suits installers and system builders needing reliable transient protection. Its compact form factor and diagnostic LED make it easy to integrate and monitor within combiner boxes and DC disconnect assemblies. Order the MNSPD-300-DC (also listed as MNSPD300DC) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.