Roller Ball Door Switch

The Edwards #44 Rolling Ball Door Switch is a rugged, insulated contactor designed for reliable performance in demanding environments, including emergency vehicle door jambs like those found on McCoy-Miller ambulances. This low-voltage, push-to-open device features a sensitive rolling ball mechanism that operates effectively with pressure from any direction, ensuring consistent connectivity for alarm, signaling, or lighting systems.

Features & Technical Specifications

• SKU/MPN: ADI 44 (Edwards Signaling Cat. No. 44)
• Switch Type: Rolling Ball Contact (Normally Closed)
• Operation: Push-to-Open (Circuit opens when ball is depressed)
• Voltage Compatibility: 12/24/48 Volt AC/DC
• Contact Ratings: 2A at 12V AC/DC, 2A at 24V AC, 1A at 24V DC, 1A at 48V AC, 0.5A at 48V DC
• Installation: Quick, easy installation; no mortise required
• Dimensions: Fits 13/16" diameter hole; 1-1/8" depth
• Applications: Emergency vehicle door jambs, security alarm systems, machinery, windows, and transoms