Omron Industrial Automation M2BJ-BH24D-D Buzzer Unit provides continuous audible signaling at 3 kHz with an output level of 70–95 dB. It operates on a 12–24 V DC supply and draws 50 mA. This unit is designed for industrial automation applications requiring audible signaling in control panels and equipment. The M2BJ-BH24D-D designation specifies this Omron buzzer unit within the M2BJ family.
