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STEU 250 Series
250VA isolating and control transformers for voltage regulation
The STEU 250 series from Block Transformatoren-Elektronik GmbH is a versatile range of 250VA isolating and control transformers designed for precise voltage regulation in various industrial and commercial applications. These transformers are commonly found in systems requiring clean, isolated power supplies for sensitive electronics, such as PLCs, control panels, and signal conditioning circuits.
One key aspect of these transformers is their isolation feature, which helps in protecting downstream equipment from ground loops and electrical noise. Engineers tend to reach for this when they need to ensure reliable operation of electronic devices in environments prone to electrical interference. Another practical benefit is their ability to regulate voltage effectively, making them suitable for applications where fluctuating input voltages could otherwise cause performance issues.
If you're working on projects involving automated machinery, process control systems, or any setup that relies heavily on stable power, the STEU 250 series can be a valuable asset. They are particularly useful in scenarios where maintaining consistent power quality is crucial for the reliability and longevity of your equipment. Given their compact design and robust performance, these transformers are often chosen for space-constrained installations or when high reliability is a priority.
Series Images (3)
Frequently Asked Questions
STEU 250 - Part List
5 parts in total| Mfr Part # | Quantity Available | Price | Category | Power - Rated | Width | Length | Frequency - Operating | Mounting Type | Size / Dimension | Maximum Temperature Limit | Frequency - Max | Number of Outputs | Voltage - Primary | Voltage - Secondary (Full Load) | Depth | Weight | Secondary Winding(s) | Height | Primary Material | Material - Insulation | Temperature | Frequency - Min | Voltage - Secondary | Voltage - Supply (Vcc/Vdd) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 113 | 1: ¥515.1884 | - | 250VA | 102mm | 96mm | 50Hz | DIN Rail Mount, Panel Mount | 96 x 102 x 104mm | +40°C | 60Hz | 2 | 230 V ac, 400 V ac | 12 V ac | 104mm | 3.6kg | - | - | - | - | - | - | - | - | |
| 143 | 1: ¥407.8096 | - | 250VA | 102mm | 96mm | 50Hz | DIN Rail Mount, Panel Mount | 96 x 102 x 104mm | +40°C | 60Hz | 2 | 230 V ac, 400 V ac | 115 V ac | 104mm | 3.6kg | - | - | - | - | - | - | - | - | |
STEU 250/23 Control Transformer, 250 VA, 230/400Vi, 115/230VAC out Control transformer 250 VA, STEU 250/23, Block Block USA | 0 | - | 250 | 102 | 96 | - | - | - | - | - | - | - | - | - | - | 2 x 115 VAC | 104 | 230 VAC or 400 VAC, 50...60 Hz | VDE = B, UL = 130 | max.+40 °C | - | - | - | |
STEU 250/24 Control Transformer, 250 VA, 230/400Vi, 12/24VAC out Control transformer 250 VA, STEU 250/24, Block Block USA | 0 | - | 250 | 102 | 96 | - | - | - | - | - | - | - | - | - | - | 2 x 12 VAC | 104 | 230 VAC or 400 VAC, 50...60 Hz | VDE = B, UL = 130 | max.+40 °C | - | - | - | |
STEU 250/48 Control Transformer, 250 VA, 230/400Vi, 24/48VAC out Block 250VA 隔离变压器, 初级:230/400V ac 次级:2 x 24V ac Block USA | 10 | 1: ¥485.00 | - | 250VA | - | - | 60Hz | DIN 导轨 | 96 x 125 x 105mm | +40°C | - | - | - | - | - | - | - | - | - | - | - | 50Hz | 2 x 24V 交流 | 230/400V 交流 |


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