Nippon Hakuyo Electronics NHE-Oki FS-4000 Manual Alarm Switch The Nippon Hakuyo Electronics NHE-Oki FS-4000Z is a conventional manual alarm switch, connected to fire alarm unit FF-3061C. FS-4000Z manual call point gives an alarm by pressing the plexiglass. FS-4000Z contact capacity DC30V 0.3A
