RB-MD-1011 MIRCOM

Product Overview

The RB-MD-1011 is the Replacement Main Power Supply Board specifically designed for Mircom’s FX-3500 and MR-2350 series intelligent fire alarm control panels. This board serves as the primary power management system for the panel, converting 120VAC or 240VAC input into regulated 24VDC power for the SLC loop, notification circuits, and auxiliary outputs. It is a critical service part used to repair panels experiencing power failure, battery charging issues, or ground faults.

Key Features

• Universal Voltage Support: Compatible with 120VAC (60Hz) or 240VAC (50Hz) primary power inputs.
• 12-Amp Power Capacity: Provides a total of 12 Amps of filtered, regulated power for system use and battery charging.
• Integrated Battery Charger: Includes a supervised, high-efficiency battery charger capable of charging up to 65AH batteries.
• Ground Fault Detection: Features built-in supervision logic to identify and report impedance to ground on field wiring.
• NAC Power Management: Provides the power distribution for the four onboard Notification Appliance Circuits (NACs).
• Direct Fit Replacement: Engineered to mount directly into the FX-3500/MR-2350 chassis using existing standoffs and wiring harnesses.