The LUCA18B is a standard control unit for motor starters, providing overload and short-circuit protection with a thermal adjustment range of 4.5 to 18 A and a 24 V AC control circuit. It supports utilisation categories AC-41, AC-43, and AC-44, and protects against phase failure, phase imbalance, and earth faults with manual reset. The unit is plug-in mounted and conforms to IEC 60947-6-2 and UL 508 for Class 10 and Class 20 tripping. It operates at ambient temperatures from -25 to 70 °C, has an IP20 protection rating on front and wired terminals, and an impulse withstand voltage of 6 kV. The device weighs 0.135 kg and is compliant with RoHS and REACh. It meets certifications including UL, CSA, ATEX, and DNV, and is classified as a Green Premium product.
STD.CNTRL.UNIT-CL10-
| Newark, An Avnet Company | |
|---|---|
| Product Category | Electromechanical Relays |
| Product Number | 89H5231 |
| Product Name | Std.cntrl.unit-Cl10-3Ph 4.5-18A 24Vac Schneider Electric |
