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ST 800/4/24 BLOCK Control Transformers ST 800/4/24
ST 800/4/24
BLOCK
Control Transformers ST 800/4/24
Control- and safety isolating transformer
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Brand new product in its original packaging covered by the warranties and certifications provided by BLOCK
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▲The transformers of the ST 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. 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
›Primary side ±5% taps for voltage adjustment
›Touch-protected connection terminals according to UVV BGV A3
| Product | Control- and safety isolating transformer |
| Order number | ST 800/4/24 |
| Series | ST |
| Power | 800 VA |
| Input | 380 V / 400 V / 420 V |
| Output | 24 V • 33.3 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 35.6 W |
| No-Load Losses | 22.9 W |
| Short-Term Power / instantaneous output | 2,280 VA |
| Short circuit voltage uk | 3.4 % |
| EN Insulation class | B (130°C) |
| UL Insulation class | class 130 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 93.2 % |
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 | 148 mm / 5.83 in |
| Depth | 128 mm / 5.04 in |
| Weight | 10.1 kg / 22.267 lbs |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOGUE BLOCK EN.pdf | 62 Mbytes |
|
| ST 800/4/24 ST 800/4/24 EN_ST 800_4_24.pdf | 413 Kbytes |
|
| Download general catalog |
|
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