The Hochiki HCVR-SDU-6SM-R is a remote annunciator that provides detailed status information for the HCVR-3 panel.  The LEDs indicate system events such as Released, Auto/Manual operation, and Abort. An LED display clearly indicates the pre-discharge countdown time.  

STANDARD FEATURES
• Compatible with all versions of the HCVR-3
• UL864 Listed and FM Approved   
• Surface-mount enclosure
• Up to 7 HCVR-SDU may be used with one HCVR-3 control panel (if no HCVR-AB are used)
• Built-in Mode Select switch
• Terminals accept 22 - 18 AWG wire
• Abort input for external abort switch
• Requires 24VDC and RS485 from the HCVR-3 control panel
• Current requirements - 83mA standby, 94mA maximum
• Color - Red