MR 550B, White siren with Blue LED, 12V

Device Description — MR 550B 12V

MR 550B 12V is an outdoor siren with an integrated flash, designed for security systems powered by twelve volts. It combines a loud acoustic alarm with a visual light indicator, ensuring better alert visibility in environments.

Main Features

• Supply voltage: 12 volts DC
• Sound level: approximately 110 decibels at one meter
• Current consumption: around 200–300 milliamperes (flash included)
• Flash: built-in strobe light (typically red)
• Intended use: outdoor installations
• Housing: plastic enclosure, usually white
• Mounting method: surface-mounted
• Dimensions: compact, suitable for wall installation

Notes

• The integrated flash helps provide a clear alarm indication in noisy or spacious areas.
• A stable twelve-volt DC power source is required to ensure proper acoustic and visual performance.
• Can be installed near the control panel or in visible locations where a clear alarm signal is required.