ICMHOAK SPACE AGE

Product Overview

A commercial-grade single-gang Hand-Off-Auto (HOA) supervisory control module belonging to a modular component family. Specifically engineered to grant authorized engineers secure manual command over fan controls, smoke control dampers, or air-handling equipment, this high-security interface combines a three-position maintained rotary switch with a master enabling key lock. The rotary selector remains electronically locked out until an operator inserts and turns the enabling key, preventing unauthorized occupants from tampering with building ventilation. Turning the rotary knob physically shifts two independent Form "C" (SPDT) dry contact blocks to route Hand (Manual Run), Off (Override Shutdown), or Auto (System Automatic Control) loop pathways. Built onto a rugged steel frame with a clear viewing faceplate for descriptive paper legend inserts, this module integrates into multi-gang layout panels to ensure reliable smoke control overrides.

Key Features

• Dual-Element Security Design: Pairs a three-position rotary selector knob with a master enabling key lock to prevent unauthorized operation.
• Maintained Rotary Action: Features a heavy-duty rotary knob that clicks firmly into Hand, Off, or Auto positions and holds its state mechanically.
• Dual Form "C" Contacts: Outfitted with two independent single-pole double-throw dry contact setups to accurately signal separate mode states to the panel.
• Asymmetrical Power Capacities: Engineered to safely handle low-voltage operational switching loads up to 1A on the rotary paths and 3A on the key circuit.
• Protected Display Face: Integrates a transparent viewing window over the front plate to protect custom system-use descriptive label sheets.
• Flexible Backbox Fitment: Designed to slip natively into a standard single-gang box or matching modular multi-gang enclosure layouts.