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STU 800/24 BLOCK Control Transformers
STU 800/24
BLOCK
Control Transformers
Control Transformers STU 800/24
Control- and safety isolating transformer
transformers
Brand new product in its original packaging covered by the warranties and certifications provided by BLOCK
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▲The control transformers of the STU series are designed for universal voltage adjustment and 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. The robust metal base plate with elongated holes ensures easy and secure mounting.
›Control and safety isolating transformer according to EN (IEC) 61558-2-2 and EN (IEC) 61558-2-6
›Very good inrush behavior due to reduced inrush currents
›High power density through a compact design concept
›Touch-protected connection terminals according to UVV BGV A3
| Product | Control- and safety isolating transformer |
| Order number | STU 800/24 |
| Series | STU |
| Power | 800 VA |
| UL Derating | 630.00 VA |
| Input | 230 V / 400 V / 460 V / 520 V ± 20 V |
| Output | 24 V • 33.3 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 9.1 W |
| No-Load Losses | 20.4 W |
| Short-Term Power / instantaneous output | 2,000 VA |
| Short circuit voltage uk | 2.1 % |
| EN Insulation class | B (130°C) |
| UL Insulation class | class 105 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 96.4 % |
General
| Short circuit proof | not short-circuit proof |
| Switching group | Ii0 |
| 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 | 2 |
Electrical Connections
| Input terminal | Screw terminal |
| Output terminal | Screw terminal |
| Terminal PE | Flat plug connection |
Size and Weight
| Width | 150 mm / 5.91 in |
| Height | 150 mm / 5.91 in |
| Depth | 139 mm / 5.47 in |
| Weight | 10.3 kg / 22.708 lbs |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOGUE BLOCK EN.pdf | 62 Mbytes |
|
| STU 800/24 STU 800/24 EN_STU 800_24.pdf | 68 Kbytes |
|
| Download general catalog |
|
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