Legrand PS20-MBW Power Supply

Product Description

The LEGRAND PS20-MBW is a power supply unit designed for use in low-voltage electrical and control systems. Power supplies in this class regulate and convert incoming line voltage to a stable output suitable for downstream devices, controllers, and access-control or building-automation components. Licensed electricians and low-voltage integration technicians are the primary installers. At 0.79 pounds, this is a compact, field-serviceable unit suited for panel or enclosure mounting in both new construction and retrofit applications.

The PS20-MBW is appropriate for commercial and residential installations where a reliable, regulated power source is required to feed low-voltage control hardware. It is commonly specified in access control panels, structured wiring enclosures, and building automation cabinets. Installers working within NEC guidelines for low-voltage and Class 2 circuit applications will find this unit a straightforward replacement or new-install option.

Key Features

• Compact form factor at 0.79 pounds for panel or enclosure mounting
• Designed for low-voltage control and access-control system applications
• OEM part from LEGRAND, ensuring compatibility with LEGRAND system architectures
• Field-serviceable unit suitable for new construction and retrofit installs

Compatibility

Designed as an OEM-style replacement or new-install power supply for LEGRAND low-voltage control and access systems. Consult LEGRAND documentation to confirm fitment with your specific panel or enclosure model.

Installation Notes

Installation should be performed by a licensed electrician or qualified low-voltage technician in accordance with NEC requirements for the applicable circuit class. De-energize all circuits and confirm zero voltage with a meter before servicing or replacing the unit. Secure the unit within the enclosure using the appropriate mounting hardware before making any wiring connections. Verify output voltage at the terminals after installation before reconnecting downstream devices.

Technical Specifications

• Weight: 0.79 pounds
• UPC: 78500730801

Standard Information

• Brand: LEGRAND
• Manufacturer Part Number: PS20-MBW