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Block 250 VA Chassis Mount Transformer 690 V Primary, 230 V Secondary, UL 506, ENEC 10 (VDE), C-UL-US, CSA ST 250/69/23
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Block |
| Model | ST 250/69/23 |
| Gross Weight | 3.9kg |
| Series | ST 250/69/23* |
| Maximum Operating Temperature | 40°C |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 731-5191Brand: BlockManufacturers Part No.: ST 250/69/23 |
| Primary Voltage | 690 V |
| Secondary Voltage | 230 V |
| Minimum Operating Frequency | 50Hz |
| Maximum Operating Frequency | 60Hz |
Key Features
- Compact chassis mount design for easy installation.
- Low inrush current feature enhances electrical safety.
- Equipped with screw type terminals and mounting brackets for secure connections.
- ±20 V tap settings on primary winding for voltage adjustment.
- Rated for operation up to 40°C ambient temperature.
- Complies with UL 506, ENEC 10 (VDE), C-UL-US, CSA 22.2, DIN EN 61558-2-2, and IEC safety standards.
- Manufactured using laminated core construction for efficient magnetic performance.
- Designed for primary voltage of 690 V AC and secondary voltage of 230 V AC.
Product Description
Block ST 250/69/23 Chassis Mount Transformer is a high-quality power transformer designed for industrial and commercial applications, delivering 250 VA with a 690 V primary voltage and 230 V secondary voltage. It is engineered to meet rigorous safety and performance standards including UL 506, ENEC 10 (VDE), C-UL-US, CSA 22.2, and DIN EN 61558-2-2, ensuring safe and reliable operation in diverse control panel and electrical equipment environments.
This transformer features a low inrush current design to protect sensitive electrical devices from sudden current spikes during start-up. The screw-type terminals and mounting brackets facilitate secure and robust installation on chassis surfaces. Its compact and laminated construction supports enhanced magnetic efficiency and reduces operational noise.
Equipped with ±20 Volt tapping options on the primary winding, it allows voltage adjustments to compensate for supply variations. The device is rated for operation up to 40 degrees Celsius ambient temperature, making it suitable for moderate industrial environments.
Applications include industrial automation systems, control panels, power supply isolation, and general-purpose equipment requiring stable voltage transformation with safety approvals. Its German manufacturing origin is a mark of quality assurance and adherence to international standards.
Compact chassis mount design for space-saving installation. Low inrush current protects downstream circuits. Screw-type terminals ensure reliable electrical connections. Adjustable primary voltage taps with ±20 V variation.
Rated for 40°C maximum ambient temperature. Conforms to multiple international safety standards. Laminated core provides efficient magnetic performance. Designed for 690 V primary and 230 V secondary voltages. Excellent for use in control panels and industrial equipment.
Manufactured in Germany with high-quality standards. Explore other Transformers in the Block range and related electrical components at EnvMart for comprehensive industrial solutions.
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Frequently Asked Questions
The primary voltage rating of this transformer is 690 V AC.
The secondary voltage of this model is 230 V AC.
This transformer is rated for operation up to a maximum ambient temperature of 40°C.
The minimum operating frequency is 50 Hz, and the maximum operating frequency is 60 Hz.
Yes, it features ±20 V tap settings on the primary winding for voltage adjustment.
It is equipped with screw-type terminals for secure electrical connections.
The gross weight of this transformer is 3.9 kg.
It complies with UL 506, ENEC 10 (VDE), C-UL-US, CSA 22.2, and DIN EN 61558-2-2 safety standards.
It is manufactured using laminated core construction for efficient magnetic performance.
This transformer is suitable for industrial automation systems, control panels, power supply isolation, and general-purpose equipment.
The Block ST 250/69/23 is manufactured in Germany.
It comes with mounting brackets for secure installation on chassis surfaces.
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