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NEC 2026 Panel Level Rapid Shutdown Install Guide | SUNTREE
NEC 2026 maintains and refines the module‑level rapid shutdown requirement: conductors outside the array boundary must drop to 30 V or less within 30 seconds, while inside the boundary,
• Solar Panel
• Roof/Ground Mounting System
• DC/ACCombiner Box
• On Gridlnverter
• DC/AC Cables
• PV Installation Tools
| MODEL | QUANTITY | UNIIT | MPPT / INTERFACE | |||||||||||||
| Power | 15KW | 20KW | 25KW | 30KW | 15KW | 20KW | 25KW | 30KW | 15KW | 20KW | 25KW | 30KW | 15KW | 20KW | 25KW | 30KW |
| Component | Single crystal 415W | Single crystal 415W/545W | Single crystal 415W | 37 | 49 | 46/62 | 73 | piece | / | |||||||
| DC String box | 2 in 2 out (DC1000V) |
3 in 3 out (DC1000V) |
2 in 2 out / 4 in 4 out (DC1000V) |
4 in 4 out (DC1000V) |
1 | set | / | |||||||||
| On grid inverter | 15KW | 20KW | 25KW | 30KW | 1 | set | 2/2+1 | 2/2+2 | 3/2 2/2+3 |
3/2 | ||||||
| AC distribution box | / | 1 | set | / | ||||||||||||
| Connector | MC4 | 2 | 3 | 4 | 6 | set | / | |||||||||
| DC cable | PV1-F4 | / | meter | / | ||||||||||||
| AC cable | YJV22- | / | meter | / | ||||||||||||
| Mounting Brackets | / | 1 | set | / | ||||||||||||
| Installation tool | / | 1 | set | / | ||||||||||||
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