Phoenix Contact ST 35 BU is a blue spring-clamp feed-through terminal block for aluminium and copper conductors from 2.5 to 35 mm², rated 125 A at 1000 V. It mounts on 35 mm DIN top-hat rail with two clamp positions across a single level, and is certified for Ex e explosion-protected applications. The housing measures 16 mm wide, 100 mm high and 59 mm deep with an operating range of -60 to 110 °C; supplied in packs of 10.
| Manufacturer part number (MPN) | ST 35 BU |
| EAN / GTIN | 4017918821050 |
| Sales unit | pcs |
| Package quantity | 10 pcs |
| Suitable for conductor material | Aluminium/copper |
| Connectable conductor cross section solid-core | 2.5–35 mm² |
| Connectable conductor cross section multi-wired | 2.5–35 mm² |
| Rated current In | 125 A |
| Rated voltage | 1000 V |
| Type of electrical connection 1 | Spring clamp connection |
| Type of electrical connection 2 | Spring clamp connection |
| Connection position | Atop |
| Number of levels | 1 |
| Number of clamp positions per level | 2 |
| Mounting method | DIN rail (top hat rail) 35 mm |
| Operating temperature | -60–110 °C |
| Width | 16 mm |
| Width/grid dimension | 16 mm |
| Height | 100 mm |
| Depth | 59 mm |
| Length | 100 mm |
| Explosion-tested version 'Ex e' | Yes |
| Closing plate required | No |
| Colour | Blue |
| Internally connected stages | Yes |
| Country of origin | Poland |
| MOQ | 1 |