Phoenix Contact
DC Surge Protective Device Type 2 Phoenix Contact 1466772 VAL-SPP-T2-1000DC-PV-2+V-UT
DC Surge Protective Device Type 2 Phoenix Contact 1466772 VAL-SPP-T2-1000DC-PV-2+V-UT
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DC Surge Protective Device Type 2 Phoenix Contact 1466772 VAL-SPP-T2-1000DC-PV-2+V-UT
The Phoenix Contact VAL-SPP-T2-1000DC-PV-2+V-UT (article number 1466772) is a Type 2 (class II) surge protective device from the Safe Protection Plus family, intended for the direct current side of photovoltaic systems with a continuous operating voltage of up to 1200 V DC. It is mounted on a 35 mm DIN rail in the DC combiner box, between the strings and the inverter, and limits the surges of indirect atmospheric and switching origin that travel along the string cables.
The device is built in a Y configuration (2+V), with three protection paths — DC+ / DC−, DC+ / PE and DC− / PE — obtained on a three-position base with three pluggable, thermally monitored protection elements. Each cartridge has optical fault indication, so the operator can identify the element to be replaced at a glance. The UT suffix indicates the base with universal screw terminals, which accept solid conductors up to 25 mm², while the IP20C rating guarantees protection against contact with the test finger once the device is installed.
Key features
Type 2 protection up to 1200 V DCThe Ucpv of 1200 V DC covers photovoltaic generators with a 1000 V DC system voltage, with a wide safety margin.
High discharge capacityIn of 20 kA and Imax of 40 kA (8/20 µs wave), with a protection level Up ≤ 4.2 kV.
Three-path Y configurationThe DC+/DC−, DC+/PE and DC−/PE paths with a series spark gap rule out the leakage current to earth in normal service.
Thermally monitored pluggable cartridgesThe three protection elements are plug-in replaceable, each with optical fault indication, without touching the wiring.
UT universal terminalsM5 screw terminals for flexible conductors from 1.5 to 16 mm² and solid conductors from 1.5 to 25 mm².
Sturdy constructionIP20C rating with the device installed and an extended temperature range from −40 °C to +85 °C.
Technical specifications
| Feature | Value |
|---|---|
| Product code | 1466772 |
| Product type | Surge protective device (SPD) for photovoltaic systems |
| System side | Direct current (DC), between the PV strings and the inverter |
| Brand and model | Phoenix Contact VAL-SPP-T2-1000DC-PV-2+V-UT — item no. 1466772 |
| Surge protective device (type) | Type 2 / class II (EN 61643-31) |
| Maximum continuous operating voltage Ucpv | 1200 V DC |
| Nominal discharge current In (8/20 µs) | 20 kA |
| Maximum discharge current Imax (8/20 µs) | 40 kA |
| Protection level Up | ≤ 4,2 kV |
| Protection modes | 3 (DC+ / DC−, DC+ / PE, DC− / PE) — Y "2+V" configuration |
| Protective devices | 3 thermally monitored pluggable cartridges, with optical fault indication |
| Remote signalling | No (-R variant, item no. 1466773, for the version with remote contact) |
| Mounting | 35 mm DIN rail (3-position base) |
| Connection cross-section | Flexible from 1.5 to 16 mm²; rigid from 1.5 to 25 mm² (M5 screw terminals) |
| Protection rating | IP20C (with the device installed) |
| Operating temperature | From −40 °C to +85 °C |
| Dimensions | 71.50 × 96.60 × 53.40 mm |
| Weight | 0.299 kg |
| Standards | EN 61643-31 / IEC 61643-31 |
Documentation
PDFDatasheet 1466772Official manufacturer documentInstallation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.