- Used as the main switch for ventilation equipment, air conditioning, and water systems, it can also directly control small capacity AC motors.
| Model | LW28-20 | LW28-25 | LW28-32 | LW28-63 | |
| Conventional Thermal Current Ith (A) | 20 | 25 | 32 | 63 | |
| Operating Voltage Ue (V) | 440 | 440 | 440 | 440 | |
| Rated Value Ie/kw | AC-21A (A) | 20 | 25 | 32 | 63 |
| AC-22A (A) | 20 | 25 | 32 | 63 | |
| AC-23A (A) | 15 | 22 | 30 | 57 | |
| Rated Power | AC-23A (KW) | 7.5 | 11 | 15 | 30 |
| Protection Class | IP66 | ||||
| Certification | CCC,CE | ||||
| Ambient Temperature | -25°C~+40°C | ||||
| Altitude | ≤2000 Meter | ||||
| Humidity | +40°C is not more than 50%, the wettest month is 90% | ||||
| Material | Plastic/Copper | ||||
| Item Type | Switches | ||||
| Is Smart Device | NO | ||||

| Model | Panel Specifications | Dimensions(mm) | Installation Size(mm) | ||||||
| A | C | L | H | E | F | D1 | D2 | ||
| LW28-20A | M1 | 48 | 43 | 42 | 33 | 36 | 36 | Φ8.5 | Φ4.5 |
| LW28-20A | M2 | 64 | 43 | 43 | 42 | 48 | 48 | Φ10 | Φ4.5 |
| LW28-25A | M1 | 48 | 45.2 | 50 | 33 | 36 | 36 | Φ8.5 | Φ4.5 |
| LW28-25A | M2 | 64 | 45.2 | 51 | 42 | 48 | 48 | Φ10 | Φ4.5 |
| LW28-32A | M1 | 64 | 58 | 55 | 42 | 48 | 48 | Φ10 | Φ4.5 |
| LW28-32A | M2 | 88 | 58 | 55 | 52 | 68 | 68 | Φ13 | Φ6 |
| LW28-63A | M1 | 64 | 66 | 72.5 | 42 | 48 | 48 | Φ10 | Φ4.5 |
| LW28-63A | M2 | 88 | 66 | 72.5 | 52 | 68 | 68 | Φ13 | Φ6 |