| Specification Category | Specification Detail |
| Brand Profile | Anchor by Panasonic |
| Model Number | 17921 |
| Product Series | Industrial Switchgear / Penta Series |
| Product Category / Type | Four Pole Manual Changeover Switch (Transfer Switch) |
| Rated Current Capacity | 32 Amp |
| Rated Operating Voltage | 415 V AC |
| Operating Frequency | 50 Hz |
| Number of Poles | Four Pole (4P - Three Phases + Neutral) |
| Switching Mechanism | Break-Before-Make (Position I - Center Off - Position II) |
| Contact / Terminal Material | Heavy-Gauge High-Conductivity Electrolytic Copper / Brass |
| Enclosure / Construction | Arc-Resistant Flame-Retardant Industrial Housing |
| Mounting / Placement | Panel Mount / Distribution Board Enclosure / Surface Wall Mount |
| Ideal Applications | Commercial Outlets, Residential Sub-Mains, Small Workshops, Motor Starter Control Panels, Generator Distribution Boards |
| Best Used For | 32A Three-Phase Mains-to-Generator Power Transfer & Complete Circuit Isolation across Nepal |
Reliable 32A Four-Pole Switching: Built to continuously handle balanced 3-phase plus neutral electrical loads up to 32 Amps across residential buildings, workshops, and commercial outlets.
Break-Before-Make Safety Mechanism: Features a dedicated Center-Off position to ensure complete physical separation between utility grid mains and backup generator power, preventing accidental back-feeding.
High-Conductivity Copper Contacts: Heavy-gauge electrolytic copper contact blades and spring-tensioned jaws maintain low electrical resistance and prevent terminal overheating under continuous load.
Arc-Resistant Insulating Enclosure: High-grade dielectric internal barriers prevent phase-to-phase flashovers and ensure reliable containment during source switching operations.
Positive Mechanical Detent Handle: Front-facing manual operating lever provides firm, unambiguous tactile feedback for Position I (Mains), Center-Off (Isolation), and Position II (Generator).