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- Schneider Electric LUCA38BL TeSys U Standard Control Unit 9.5-38 A 24 V DC Motor Starter Module Schneider Electric LUCA38BL TeSys U Standard Control Unit 9.5-38 A 24 V DC Motor Starter Module
Schneider Electric LUCA38BL TeSys U Standard Control Unit 9.5-38 A 24 V DC Motor Starter Module
Schneider Electric LUCA38BL TeSys U Standard Control Unit 9.5-38 A 24 V DC Motor Starter Module
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- Description
The Schneider Electric LUCA38BL is a TeSys U standard control unit providing adjustable thermal-magnetic motor protection from 9.5 to 38 A. Plugged into a LUB38 power base, it forms a complete starter-controller with Class 10 overload tripping, phase-failure sensing, and earth-fault detection for 3-phase motors up to 18.5 kW at 400 V, controlled from a 24 V DC supply.
Technical Specifications
| Reference | LUCA38BL |
| Brand | Schneider Electric |
| Range | TeSys U |
| Product or Component Type | Standard control unit |
| Device Application | Motor control, motor protection |
| Rated Motor Current Adjustment Range | 9.5-38 A |
| Thermal Overload Class | Class 10 |
| Tripping Threshold | 14.2 x Ir +/- 20% |
| Phase Failure Sensitivity | Yes |
| Max Motor Power | 18.5 kW at 400 V, 18.5 kW at 500 V, 22 kW at 690 V |
| Control Circuit Voltage (Uc) | 24 V DC |
| Rated Operational Voltage (Ue) | 690 V AC |
| Utilisation Category | AC-43 |
| Rated Insulation Voltage (Ui) | 690 V |
| Fixing Mode | Plug-in (front face) |
| Dimensions (W x H x D) | 45 x 66 x 60 mm |
| Net Weight | 0.135 kg |
| IP Degree of Protection | IP20 (terminals), IP40 (outside connection zone) |
| Compatible Power Bases | LUB38, LUB380 |
Certifications & Standards
- CE
- UL
- CSA
- IEC 60947-6-2
- UL 60947-4-1
- CSA C22.2 No 60947-4-1
Selection Notes
The LUCA38BL is the only control unit covering 32-38 A, so it fits exclusively on the LUB38 power base rather than the LUB12/LUB32. Remember that the LUB38 base itself carries a lower 25 kA breaking capacity at 440 V than the smaller bases, so the extra current headroom comes with reduced short-circuit margin. It currently ships only with a 24 V DC coil; no 24 V AC or 110-240 V equivalent is listed.