The TX-6-ND Low Voltage monitor provides automatic fan control to help maintain acceptable levels of NO2 in parking garages, warehouses and other and controller and as an analog transducer for use with Macurco control panels and other systems  ETL Listed

Features:

• 12-24VAC or 12-32VDC input
• 5A SPDT Fan control relay
• 0.5A N.O. or N.C. Alarm Relay
• Selectable Fan and Alarm Relay Actuation Settings
• Digital Display (0-20ppm of NO2), Internal Buzzer
• Coverage Area: 5000 sq. ft.
• 4-20mA current loop

The HUS-7A is a single button, latching hold-up switch designed to provide a rapid signal to alarm systems. It is activated by pressing down the single button switch.
A status window indicates the condition of the switch: RED (alarmed), BLUE (armed).
A U-shaped key is supplied to reset the HUS-7A.
The hold-up switch sends a signal to a dedicated 24 hour hold-up circuit of a burglar control panel.

Features:

• Form C contact
• U-shaped key reset
• Status window indicator