Magnasphere Corp MSS-320C-BLACK Recessed Contact Switch

Product Description

The MAGNASPHERE CORP MSS-320C-BLACK is a 1-inch recessed magnetic contact switch assembly designed for special application security and detection circuits. The unit includes two switches and two open-loop configurations in a single package, making it suitable for installations where redundant or dual-circuit monitoring is required. The black finish integrates discreetly into door frames, window frames, and other structural surfaces. Licensed security technicians and low-voltage electricians are the primary installers of this type of contact device.

This recessed contact switch is intended for special application contact installations where standard surface-mount or single-circuit switches are insufficient. Typical use cases include commercial door and window monitoring, access control integration, and alarm panel wiring where two independent open-loop circuits must be supervised simultaneously. The 1-inch recessed form factor fits standard bore holes drilled into door or frame stock.

Key Features

• 1-inch recessed housing for flush, concealed installation in door or frame stock
• Includes two switches for dual-circuit or redundant monitoring configurations
• Two open-loop outputs for compatibility with supervised alarm panel inputs
• Black finish for low-visibility integration into dark-colored frames and surfaces
• Sold individually as a single unit per package

Compatibility

Designed as an OEM-style special application recessed contact switch for low-voltage security and alarm control systems requiring dual open-loop switch outputs.

Installation Notes

Installation is typically performed by licensed low-voltage technicians or alarm system installers in accordance with NEC Article 725 for Class 2 and Class 3 remote-control and signaling circuits. De-energize and disarm the alarm panel before wiring any contact inputs. Use the appropriate drill bit size to bore a clean 1-inch hole for the recessed housing, and verify loop polarity and supervision requirements at the control panel before completing terminations.