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Mechanical alarm bells and electric bells for audible warning, school scheduling and factory signaling. Confirm voltage, size and operating limits for each model.
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Alarm & Electric Bells
UC4 Electric Bells for Schools and Factories
UC4 electric reminder bells with chrome-plated iron gongs, plastic bases and nominal sizes from 2 to 12 inches. The catalogue lists AC 220V versions and warns that standard ringing should stay within 20 seconds per activation.
UC4-55mm / 75mm / 100mm / 150mm / 200mm / 250mm / 300mm2 / 3 / 4 / 6 / 8 / 10 / 12 inches55 / 75 / 100 / 150 / 200 / 250 / 300mmAC 220V; customized voltage on request
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Alarm & Electric Bells
Custom-Voltage Mechanical Alarm Bells
Red mechanical alarm bells with iron gongs, 6-, 8- and 10-inch options, and plastic or aluminum bases. The source lists DC 6V, 12V, 24V and AC 220V; confirm the exact model and voltage combination.
Electrically powered mechanical alarm bell6 / 8 / 10 inchesDC 6V / DC 12V / DC 24V / AC 220VIron gong with red painted finish
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Alarm & Electric Bells
Electric Alarm Bell with Optional Rain Cover
Electric alarm bells in 4-, 6-, 8- and 10-inch sizes, with AC or DC supply options and plastic or aluminum bases. An aluminum rain cover is listed for outdoor configurations; its inclusion and protection rating require confirmation.
4 / 6 / 8 / 10 inchesDC 6V / DC 12V / DC 24VAC 110V / AC 230V / AC 240VIron with sprayed coating