PROBLEM TO BE SOLVED: To provide a solar cell unit for field electrical apparatus and a field electric actuator, which can take an installation mode according to the situation of the field and allow a solar cell panel to receive light satisfactorily.SOLUTION: According to the present invention, there is provided a solar cell unit 14, which is a device that supplies electric power to a field electrical apparatus, such as a field electric actuator 10. The solar cell unit comprises a solar cell panel 90, a holding body 92 for holding the solar cell panel, and a support column 94 provided on a holding body. The solar cell unit is detachably and rotatably attached to a main body 12 of the field electrical apparatus.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】圃場の状況に応じた設置態様をとることが可能であり、太陽電池パネルが良好に受光できる、圃場電装装置用太陽電池ユニットおよび圃場用電動アクチュエータを提供すること。【解決手段】太陽電池ユニット14は、圃場用電動アクチュエータ10等の圃場電装装置に電力を供給する装置である。太陽電池ユニットは、太陽電池パネル90と、太陽電池パネルを保持する保持体92と、保持体に設けられる支柱94とを含み、圃場電装装置の本体12に対して着脱可能かつ回転可能に取り付けられる。【選択図】図3