The LB1LB03P06 is a 3-pole thermal-magnetic protection module from Schneider Electric's Integral 18 series, rated for a 690 V operational voltage. It provides phase imbalance protection with a thermal overload rating of Class 10 and a magnetic tripping current of 15 A ±20%, with thermal protection adjustable between 0.1 and 12 A under standard conditions. Suitable for motor circuits across a range of voltages from 220–240 V up to 600–690 V AC, it is intended for use within control panels for motor protection under utilization category AC-43.
| Part Number | LB1LB03P06 |
| Product Type | Thermal-Magnetic Protection Module |
| Series | Integral 18 |
| Device Short Name | LB1LB |
| Poles Description | 3P |
| Number of Protected Poles | 3 |
| Rated Operational Voltage (Ue) | 690 V |
| Utilization Category | AC-43 |
| Motor Power |
0.18 kW at 220–240 V AC 50/60 Hz 0.25 kW at 220–240 V AC 50/60 Hz 0.37 kW at 400–415 V AC 50/60 Hz 0.55 kW at 400–415 V AC 50/60 Hz 0.55 kW at 440 V AC 50/60 Hz 0.75 kW at 480–525 V AC 50/60 Hz 1.1 kW at 600–690 V AC 50/60 Hz |
| Breaking Capacity |
≥130 kA at 220–240 V AC ≥130 kA at 400–415 V AC ≥130 kA at 440 V AC ≥130 kA at 480–525 V AC ≥130 kA at 600–690 V AC |
| Protection Type | Phase Imbalance |
| Magnetic Tripping Current | 15 A ±20% (conforming to IEC 60947-1-2, IEC 60947-2-2, IEC 60947-4-2, IEC 60947-6-2) |
| Thermal Protection Adjustment Range |
0.1–12 A minimum at -20 to 60°C without derating 0.16–18 A maximum at -20 to 70°C with derating |
| Thermal Overload Class | Class 10 |
| Product Weight | 0.25 kg |
| Standards | IEC 60947-6-1, IEC 60947-6-2 |
| Warranty Period | 18 Months |