power modules, LED lighting unit, LED lighting apparatus, and, LED lighting system

摘要

PROBLEM TO BE SOLVED: To provide a power supply module for LED lighting apparatuses suitable for arrangement, as well as an LED lighting unit, an LED lighting apparatus, and an LED illumination system using the same.SOLUTION: Power supply modules (Z1-1 to i, Z2-1 to j, and Zm-1 to k) each include a first contact Z11 which is supplied with AC power from outside the module, a second contact Z12 which is used to convey the AC power supplied to the first contact Z11 to outside the module directly as is, and a power supply circuit Z13 which converts the AC power supplied to the first contact Z11 into DC power before being supplied to an LED module (not shown).