Phoenix Contact ST 4-TWIN is a single-level spring-clamp terminal block for DIN top-hat rail (35 mm) with three clamp positions and a 6.2 mm grid pitch. It accepts aluminium or copper conductors from 0.08–6 mm² solid or 0.08–4 mm² multi-wired, rated 32 A at 800 V, over a −60 to 110 °C operating range and Ex e certified. Supplied in grey with internally connected stages; a closing plate is required at the assembly end. Country of origin is Germany and the item ships in packs of 50.
| Manufacturer part number (MPN) | ST 4-TWIN |
| EAN / GTIN | 4017918186869 |
| Sales unit | pcs |
| Package quantity | 50 pcs |
| Suitable for conductor material | Aluminium/copper |
| Connectable conductor cross section solid-core | 0.08–6 mm² |
| Connectable conductor cross section multi-wired | 0.08–4 mm² |
| Rated current In | 32 A |
| Rated voltage | 800 V |
| Type of electrical connection 1 | Spring clamp connection |
| Type of electrical connection 2 | Spring clamp connection |
| Number of levels | 1 |
| Number of clamp positions per level | 3 |
| Mounting method | DIN rail (top hat rail) 35 mm |
| Operating temperature | -60–110 °C |
| Width | 6.2 mm |
| Width/grid dimension | 6.2 mm |
| Height | 71.5 mm |
| Depth | 36.5 mm |
| Length | 71.5 mm |
| Explosion-tested version 'Ex e' | Yes |
| Closing plate required | Yes |
| Colour | Grey |
| Internally connected stages | Yes |
| Country of origin | Germany |
| MOQ | 1 |