Yaskawa USN-B 50VA Control Power Transformer

Description:

The Yaskawa USN-B 50VA is a control power transformer used in industrial automation systems to step down and stabilize voltage for control circuits, commonly installed in Yaskawa drive systems, CNC machines, and control panels requiring low-power auxiliary voltage, and purchased by maintenance teams, OEMs, and integrators for replacement of failed transformers and restoration of control power reliability.

Applications:

The Yaskawa USN-B 50VA transformer is used in industrial electrical systems where stable low-voltage power is required for control circuits. It is commonly deployed inside control panels, servo drive systems, and PLC-based automation setups to supply auxiliary power to relays, logic circuits, and control electronics. Transformers in the USN-B series are designed to support consistent voltage conversion and isolation in industrial environments.

Technical Specifications:

• Manufacturer: Yaskawa Electric Corporation
• Model: USN-B 50VA
• Product Type: Control power transformer
• Power Rating: 50 VA
• Function: Voltage step-down / isolation for control circuits
• Application: Industrial control panels / servo systems
• Mounting: Panel-mounted (typical industrial configuration)
• Frequency: 50/60 Hz (typical transformer class)
• Input/Output: Multi-tap configurations depending on variant
• Cooling: Passive (natural convection)
• Construction: Industrial enclosed transformer design
• Country of Origin: Japan
• Status: Legacy / surplus market availability

Common Replacements:

• Yaskawa USN-B 75VA
• Yaskawa USN-B 100VA
• Generic 50VA industrial control transformer