Audioblock STEU 400/24 Control and Safety Transformer 63 VA 230/400V to 24V

The Audioblock STEU 400/24 is a high-quality control and safety transformer designed for industrial and commercial applications. It provides reliable voltage conversion from 230V AC or 400V AC to 24V AC, with a power rating of 63 VA. This transformer meets stringent safety standards and is ideal for use in control circuits, safety systems, and signal applications.

Advantages

Robust construction with varnish impregnation for enhanced durability and protection against environmental factors. Compact chassis mount design allows for easy installation in control cabinets. Complies with VDE 0570 / EN 61558-2-2 and EN 61558-2-6 standards, ensuring high safety and performance. Dielectric strength of 4 kV between primary and secondary windings provides excellent isolation.

Suitable for

• Industrial control panels
• Safety systems requiring 24V AC
• Signal transformers in automation
• Lighting and small power applications

Key specifications

• Transformer Type: Control and Safety Transformer
• Series: STEU
• Power Rating: 63 VA
• Input Voltage: 230V AC / 400V AC
• Output Voltage: 24V AC
• Frequency: 50/60 Hz
• Number of Phases: Single-phase
• Insulation Class: B
• Protection Class: IP00
• Ambient Temperature Range: -20°C to +40°C
• Mounting Type: Chassis mount (screw mounting)
• Connection Type: Screw terminals
• Standards: VDE 0570 / EN 61558-2-2, EN 61558-2-6
• Dielectric Strength: 4 kV
• Winding Type: Separated windings
• Short-circuit Protection: Requires external protection
• Construction: Open type, varnish impregnated

Recommendations

For optimal performance, ensure proper external short-circuit protection is installed. Suitable for indoor use only due to IP00 rating. Always follow local electrical codes and regulations during installation.