| Parameter / Engineering Feature | Technical Specification Details |
| Official Brand / Manufacturer | AISIKAI Electric |
| Model Designation Code | SKT1-125 / SKT1-125A (Standard Shell Frame) |
| ATS Equipment Classification | PC Class (Molded one-piece load-side switching core) |
| Utilization Load Category | AC-33A / AC-33B (Highest frequent load-switching level) |
| Agreed Thermal Current ($I_{th}$) | 125 A |
| Rated Operational Current ($I_e$) | 125 A (Note: Standard frame internal parameters match up to 160A limit) |
| Pole Configurations ($P$) | Available in 2-Pole (1-Phase), 3-Pole, or 4-Pole (3-Phase) |
| Rated Insulation Voltage ($U_i$) | 1000 V (Enhanced industrial dialectic barrier) |
| Rated Impulse Withstand ($U_{imp}$) | 12 kV (High surge transient threshold protection) |
| Rated Operational Voltage ($U_e$) | AC 400 V / AC 440 V (Sensing handles 180V–270V) |
| Rated Conditional Short-Circuit ($I_q$) | 100 kA |
| Rated Short-Time Withstand ($I_w$) | 14 kA (1-Second safety constraint threshold) |
| Transfer Transition Delay Time | $\approx 0.45 \text{ to } 0.6 \text{ Seconds}$ ($I \to II$ or $II \to I$) |
| Control Motor Operating Voltages | AC 220 V standard (Alternative options: AC 110V / DC 24V) |
| Mechanical / Electrical Lifespan | $\ge 8,000$ cycles under full load condition |