Description
Block AT3 45-69-4 — Autotransformer. New original part, traceable to the manufacturer. Availability and price on request.
Technical Specifications
| Manufacturer | Block |
|---|---|
| Article No. (MPN) | AT3 45-69-4 |
| Product Category | Transformers & Reactors |
| Series | AT3 |
| Power | 45,000 VA |
| Input | 3 x 600 V / 690 V |
| Output | 3 x 400 V • 65 Aac |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 364 W |
| No-Load Losses | 276 W |
| EN Insulation class | F (155°C) |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 98.6 % |
| Short circuit proof | not short-circuit proof |
| Switching group | YNa0 |
| Cooling type | AN |
| Ambient temperature | -20 °C to 40 °C / -4 °F to 104 °F |
| Max. installation height | 2,000 m / 6,562 ft |
| Protection type | IP00 |
| Input terminal | Screw terminal |
| Output terminal | Screw terminal |
| Terminal PE | Screw terminal |
| Width | 550 mm / 21.65 in |
| Condition | New & original |
| Availability | On request |
Download official Block datasheet (PDF)
Independent distributor — not an authorised Block dealer. All parameters are taken from the official manufacturer documentation.
