| Cod. | QIT20 |
| Power | 20 kWp |
| Three-phase inverters | 2 |
| Circuit breaker (main switchboard) | 4x63A |
| Release coil (tamping control) | 230V |
| Fuse holder 1P+N (for auxiliary circuit protection) | 10A fuse |
| 3P+N fuse holder (for protection of interface relay voltage) | 10A fuse |
| Fuse holder 3P+N (for overvoltage protection) | 32A fuses |
| Three-phase surge arrester | class II Imax 20kA |
| class II Imax 20kA | 40A - AC3 |
| Interface relay | Conforms to IEC-021 |
| Thermal-magnetic circuit breaker with differential lock (to protect the inverter) | n.2 4x20A 6 kA - 300 mA class A |
| Cable input/output terminal block | Numbered |
| Degree of protection | IP 65 class II |
| Declaration of conformity | CEI EN 61439-1/2 |
| Panel measures | 510 x 720 x 250 mm (WxHxD) |
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