The Koino KH-403 is a series of compact, low-power industrial electric buzzers from Koino (Kun Hung Electric), used for signaling in control panels and machinery, available in various voltage ratings (like 24VAC/DC, 110V, 220VAC) and mounting types (flush or surface), producing loud, clear sounds (85dB+) in either continuous (Direct) or flashing (Flicker) modes for machine status, safety alerts, and process notifications.
Type: Panel-mount electric buzzer/sounder.
Manufacturer: Koino / Kun Hung Electric Co., Ltd. (Korea).
Sound: Loud (85dB+) continuous or flashing.
Mounting: Flush (KH-403D/CD) or Surface (KH-403CD).
Body Material: ABS Plastic.
Power Consumption: Low (e.g., 6.3VA for 24VAC, 8VA for 110V).
Operation Modes: Direct (D) for continuous sound, Flicker (F) for flashing sound.
Applications: Industrial automation, control panels, machinery alerts, safety systems.