Mars Air Systems 99-124-TD, Aluminum Magnetic Industrial Reed Switch w/ Time Delay, Floor-Mounted

Model Specifics: Time delay.

Features:

• Ideal applications: Used with roll-up doors where there is forklift traffic
• UR (UL Recognized) and rated for NEMA 1 (field installed by others)
• An optional motor control panel or controller is required when a wired magnetic door reed switch is used.
• Wired switches have single pole terminal (1P) normally closed (NC) and normally opened (NO) contact.
• Turns the air curtain on when the door opens and off when the door closes
• Used when automatic control of an air curtain(s) is required
• Easy to install and switches are lightweight
• Requires less than 1/8" distance between magnets to energize and de‐energize the air curtain

Notes: Heating mode ·E, except as noted - With non·E main units, requires relay, relay with time delay, ·or· control panel. DO NOT GROUND the COM terminal. This is the common terminal and not ground or neutral. Please see the wiring instructions for the switches.