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STEU 320/48 BLOCK Control Transformers
STEU 320/48
BLOCK
Control Transformers
Control Transformers STEU 320/48
Control- and isolating transformer
transformers
Brand new product in its original packaging covered by the warranties and certifications provided by BLOCK
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▲The transformers of the STEU series ensure safe galvanic isolation of the primary circuit from the secondary circuit. The unique BLOCK IMPEX vacuum impregnation process provides excellent protection against external influences while reducing noise levels. Installation is simple and quick thanks to the innovative push-in terminal technology.
›Control and isolating transformer according to EN (IEC) 61558-2-2 and EN (IEC) 61558-2-4
›Dual input voltage 230 and 400 Vac
›Very good inrush behavior due to reduced inrush currents
›High power density through a compact design concept
›Primary side ±15 V taps for voltage adjustment
›Touch-protected connection terminals according to UVV BGV A3
| Product | Control- and isolating transformer |
| Order number | STEU 320/48 |
| Series | STEU |
| Power | 320 VA |
| Input | 230 V / 400 V ± 15 V |
| Output | 2 x 24 V • 6.67 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 24.26 W |
| No-Load Losses | 10.07 W |
| Short-Term Power / instantaneous output | 1,120 VA |
| Short circuit voltage uk | 5.01 % |
| EN Insulation class | B (130°C) |
| UL Insulation class | class 130 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 90.3 % |
General
| Short circuit proof | not short-circuit proof |
| Switching group | Iii0 |
| Cooling type | AN |
Environment
| Ambient temperature | -20 °C to 40 °C / -4 °F to 104 °F |
| Max. installation height | 2,000 m / 6,562 ft |
Protection and Safety
| Protection type | IP00 |
| Protection class (prepared) | I |
| Overvoltage category | III |
| Degree of contamination | 1 |
Electrical Connections
| Input terminal | Push-in terminal |
| Output terminal | Push-in terminal |
| Terminal PE | Flat plug connection |
Size and Weight
| Width | 120 mm / 4.72 in |
| Height | 124 mm / 4.88 in |
| Depth | 111 mm / 4.37 in |
| Weight | 4.3 kg / 9.48 lbs |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOGUE BLOCK EN.pdf | 62 Mbytes |
|
| STEU 320/48 STEU 320/48 FR_STEU 320_48.pdf | 401 Kbytes |
|
| Download general catalog |
|
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