Product Details
The Schneider Electric LUCB05BL, also cataloged as the LUCB Advanced Control Unit, operates as a dedicated hardware component for 3-phase motor protection and thermal overload execution within TeSys Ultra power bases.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | LUCB05BL |
| Brand | Schneider Electric |
| Origin | France |
| Weight | 113 g (0.113 kg) |
| Dimensions | 45 mm x 66 mm x 60 mm (W x H x D) |
| Operating Temp | -25 to +70 deg C |
| Power Consumption | Heat dissipation: 2 W (with LUB12), 3 W (with LUB32/LUB38) |
| Rated Operational Voltage [Ue] | 690 V AC (40 to 60 Hz) |
| Control Circuit Voltage [Uc] | 24 V DC (Limits: 20 to 27 V DC operational, 14.5 V DC drop-out) |
| Motor Current Adjustment Range | 1.25 to 5 A |
| Thermal Overload Class | Class 10 (40 to 60 Hz, -25 to 70 deg C) |
| Tripping Threshold | 14.2 x Ir +/- 20 % |
| Motor Power Rating | 1.5 kW at 400-440 V AC, 2.2 kW at 500 V AC, 3 kW at 690 V AC |
| Control Current Consumption | Closing: 130 mA (LUB12), 220 mA (LUB32/38); Sealed: 60 mA (LUB12), 80 mA (LUB32/38) |
| Insulation Voltage [Ui] | 690 V (IEC 60947-6-2), 600 V (UL 60947-4-1 / CSA C22.2 No 60947-4-1) |
| Ingress Protection | IP20 (front panel and wired terminals), IP40 (front panel outside connection zone) |
Industrial Control & Bus Communication Characteristics
The LUCB05BL advanced control unit attaches directly via front-face plug-in mounting to LUB power bases and LU2B reversing contactor breakers. Internal current-sensing transformers provide phase failure sensitivity, phase imbalance protection, earth fault detection, and manual reset functions. Communication interface capabilities support real-time motor diagnostic transmission across Profinet and EtherNet/IP deterministic networks, maintaining backplane bus communication velocity and firmware flash compatibility across integrated starter configurations.
Frequently Asked Questions
Q: What are the control coil voltage operational thresholds for the LUCB05BL unit?
A: The rated control circuit voltage is 24 V DC, operating within strict limits of 20 to 27 V DC during active state execution and dropping out at 14.5 V DC.
Q: Which power bases and contactors are physically compatible with this control module?
A: The LUCB05BL plug-in module interfaces directly with LUB12, LUB32, LUB38, LUB120, LUB320, and LUB380 power bases, as well as LU2B12BL, LU2B32BL, and LU2B38BL reversing contactor breakers.
Q: What opening and closing times occur when the control unit acts on a power base?
A: Operating response times are rated at 35 ms for circuit opening and 70 ms for circuit closing across LUB12, LUB32, and LUB38 assemblies.
Field Installation Guidelines
- Plug-In Mounting: Align the LUCB05BL unit with the front-face connector slot of the unpowered LUB or LU2B base unit and push firmly until the locking mechanism fully seats.
- Control Circuit Wiring: Connect 24 V DC control supply leads to the designated control terminals. Ensure control circuit voltage remains between 20 V DC and 27 V DC during peak inrush (up to 220 mA) to prevent contact chatter.
- Thermal Current Setting: Adjust the front dial to match the exact full-load current (FLA) of the connected 3-phase motor within the 1.25 A to 5 A scaling range before applying main line voltage up to 690 V AC.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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