Brief Product Description

PFVI101 YM110001-SP is a compact, high-reliability industrial switching power supply module manufactured by ABB, designed for dedicated automation and control rack systems. It accepts universal 110–220 VAC input voltage and converts unstable mains power into regulated, clean DC power for industrial controllers, I/O modules and field monitoring units. Built with robust surge suppression, over-temperature protection and industrial-grade EMC shielding, this long-lifespan power unit ensures stable 24/7 continuous operation in harsh factory and power plant cabinet environments. It serves as a critical auxiliary power source for legacy ABB automation systems and is widely used as a replacement spare part for aging industrial control racks.

Product ID: YM110001-SP

ABB model name: PFVI 101

Product description: PFVI 101 Power Supply

Technical information:

PFVI 101 Power Supply

Supply 110/220 V AC

Exchange No. EXCYM110001-SP

Core Product Functions

• Universal AC input range (110–220 VAC) adapting to global industrial power grid standards
• Precise AC‑to‑DC conversion providing stabilized constant voltage output for control system loads
• Built‑in over‑voltage, over‑current, short‑circuit and over‑temperature multi‑protection mechanism
• Effective electromagnetic interference suppression to guarantee noise‑free power output
• High power conversion efficiency, reducing heat generation during long‑term operation
• Automatic voltage regulation to compensate mains voltage fluctuation and avoid system reset
• Compact rack‑mount structure for seamless integration into standard industrial control cabinets
• Continuous self‑monitoring of operating status to prevent abnormal power output failure
• Support long‑term unattended operation for mission‑critical automation control systems

Application Scenarios

• Legacy ABB industrial automation control rack power supply backup systems
• Power plant turbine and generator auxiliary control cabinet power distribution units
• Oil & gas onshore and offshore platform process control system power modules
• Petrochemical and refinery DCS and safety instrumented system auxiliary power units
• Metallurgical, pulp & paper and water treatment industrial automation equipment
• Maintenance and spare part replacement for aging ABB automation installations

FAQ (Frequently Asked Questions)

• Q: No DC output after AC power input, module fails to start?
  A: Check input voltage range, damaged power fuse, internal over‑protection lockout, shorted rear‑stage load or aging internal circuit components.
• Q: Equipment frequently resets due to unstable power output?
  A: Inspect poor cabinet grounding, excessive load current, aging module capacitance or severe on‑site electromagnetic interference.
• Q: Can PFVI101 YM110001-SP support hot swap during system operation?
  A: Hot swap is not recommended. Replace the module after cutting off the input power to avoid instantaneous power interruption and system downtime.
• Q: Can this power supply be used for other brands of control systems?
  A: It is optimized for ABB legacy control racks; cross‑brand use requires load voltage, current and installation size verification.

• Q: Is PFVI101 YM110001-SP still in production for new projects?
  A: This industrial power supply has been officially discontinued. Only surplus, refurbished and tested spare modules are available for existing system maintenance.

YM110001-SP.pdf