No products
Product successfully added to your shopping cart
View larger
STEU 250/48 BLOCK Control Transformers
STEU 250/48
BLOCK
Control Transformers
Control Transformers STEU 250/48
Control- and isolating transformer
transformers
Brand new product in its original packaging covered by the warranties and certifications provided by BLOCK
Related products
▲Best sellers
▲More info
▲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
›With combination base plate for screw and rail mounting
| Product | Control- and isolating transformer |
| Order number | STEU 250/48 |
| Series | STEU |
| Power | 250 VA |
| Input | 230 V / 400 V ± 15 V |
| Output | 2 x 24 V • 5.21 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 20.91 W |
| No-Load Losses | 10.09 W |
| Short-Term Power / instantaneous output | 850 VA |
| Short circuit voltage uk | 5.43 % |
| EN Insulation class | B (130°C) |
| UL Insulation class | class 130 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 89 % |
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 | 96 mm / 3.78 in |
| Height | 107 mm / 4.21 in |
| Depth | 129 mm / 5.08 in |
| Weight | 3.6 kg / 7.937 lbs |
General
| TS35 rail mounting possible | Ja |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOGUE BLOCK EN.pdf | 62 Mbytes |
|
| STEU 250/48 STEU 250/48 EN_STEU 250_48.pdf | 430 Kbytes |
|
| Download general catalog |
|
Reviews (0) ▲
No customer reviews for the moment.
| Rating: |
|
| Name: | |
| Email: | |
| Subject: | |
| Text: | |
| Do you recommend this product to buy? | |
|
|
|
| Add review | |
All ratings we receive from the items we offer are real and verified. A small gesture, but a lot of value. That's why we thank you for that minute you invest in leaving us your opinion and qualification about the products, because it helps us to continue improving and to offer you a service of even higher quality.