| Specification Category | Specification Detail |
| Brand Profile | Anchor |
| Model Code Matrix | Roma Series |
| Product Code | 66103S |
| Product Category / Type | Bell Push Switch (Momentary Push Button) |
| Rated Current Capacity | 10 A |
| Operating Voltage & Frequency | 240 V AC, 50 Hz |
| Contact Operation | Momentary Single Pole (Normally Open) |
| Module Space Footprint | 1 Module (1M) |
| Physical Dimensions (L x B x H) | 2.0 x 3.0 x 4.0 cm |
| Product Weight | 0.200 kg |
| Housing Construction | High-Grade Flame-Retardant Polycarbonate |
| Installation Alignment | Front-Loading Snap-Fit into Modular Frame Plates |
| Ideal Applications | Main Entryways, Apartment Doors, Office Reception Desks, Hotel Calling Chimes |
| Best Used For | Doorbell, Chime, and Momentary Signal Activation across Nepal |
Responsive Momentary Contact: Precision spring-loaded mechanism provides immediate circuit connection when pressed and cleanly disengages upon release.
Reliable 10A Current Handling: Designed to manage standard 240V, 50Hz electrical chimes, ding-dong bells, and buzzer circuits without arcing.
Standard 1-Module Modular Fit: Snaps cleanly into any standard Anchor Roma grid plate, flush metal backbox, or surface enclosure.
Self-Extinguishing Polycarbonate Body: Molded from heavy-duty, flame-retardant plastic to guard against electrical shorts, UV yellowing, and impact damage.
Silver-Alloy Internal Contacts: Heavy-gauge brass terminals and silver-alloy points ensure minimal electrical resistance and high mechanical endurance over thousands of presses.