

| Parameter | Value |
|---|---|
| Depth | 300 mm |
| Width | 800 mm |
| Design | DC fire department switch |
| Height | 600 mm |
| EN type | T1 |
| Power supply | 230 V AC |
| Product type | String combiner box (SCB) |
| MPP voltage UN | max. 1000 V DC |
| Material Housing | Polyester fiberglass reinforced |
| Protection class | I |
| Connection method | Push-in connection |
| Cable cross section | 4 mm² ... 6 mm² |
| Material Cover/door | Polyester fiberglass reinforced |
| Protection level Up | ≤ 3.6 kV |
| Type of cable entry | Cable gland |
| Degree of protection | IP65 |
| Non-load voltage UOC | max. 1100 V DC |
| Standard designation | Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies |
| Number of outputs: ± | 2 (per MPP tracker) |
| Current per string Imax | max. 20 A |
| External cable diameter | 5 mm ... 7 mm |
| IEC test classification | T1 |
| Standards/specifications | EN 61439-2 |
| Number of inputs: Strings | 2 (per MPP tracker) |
| Total current MPP tracker | max. 40 A |
| Number of outputs: MPP tracker | 2 |
| Rated operating current DC-21B | 40 A |
| Rated operating current DC-PV1 | 40 A |
| Ambient temperature (operation) | -20 °C ... 50 °C |
| Number of supported MPP trackers | 12 |
| Short-circuit current rating ISCPV | 40 A |
| Signal level Remote indication contact | 24 V DC (floating) |
| Total discharge current Itotal(8/20) µs | 40 kA |
| Total discharge current Itotal(10/350) µs | 5 kA |
Technical specifications and performance data
Installation and operation guide