Tujuan penelitian ini dirancang untuk mengetahui kelayakan trainer kendali motor listrik dengan smart relay dan lembar eksperimen siswa yang digunakan sebagai media pembelajaran pada mata pelajaran instalasi motor listrik di SMK Negeri 1 Sidoarjo yang meliputi kevalidan, kepraktisan, dan keefektifan.

Penelitian ini merupakan penelitian pengembangan yang berdasar pada metode Research and Development (R&D) dalam bidang pendidikan dengan 7 tahap, meliputi: 1) Potensi dan masalah, 2) Pengumpulan data, 3 Desain produk, 4) Validasi desain, 5) Revisi desain, 6) Uji coba produk, 7) Revisi produk. Desain penelitian yang digunakan yaitu one group pretest-posttest. Uji coba trainer dan lembar eksperimen siswa dilakukan pada siswa Kelas XII TITL 2 SMK Negeri 1 Sidoarjo sebanyak 32 siswa. Instrumen yang digunakan yaitu lembar validasi media dan perangkat, angket kepraktisan trainer dan lembar eksperimen siswa, dan lembar penilaian siswa.

Hasil penelitian menunjukkan skor rerata dari validasi  trainer sebesar  94,10%, lembar eksperimen siswa sebesar  90,36%, butir soal sebesar  85,41%, materi ajar sebesar  89,24%, rencana pelaksanaan pembelajaran sebesar  82,25%, lembar penilaian ranah afektif sebesar 85,42%, lembar penilaian ranah kognitif sebesar 83,93%, dan lembar penilaian ranah psikomotor sebesar 84,72% sehingga dapat dikategorikan sangat valid. Untuk kepraktisan diperoleh rerata skor respon siswa sebesar 82,39% sehingga dapat dikategorikan sangat praktis. Untuk keefektifan pada hasil belajar ranah afektif siswa didapat rerata nilai 83,18, hasil belajar ranah kognitif siswa diperoleh rerata nilai 81,06 dan rerata gain score 0,76, hasil belajar psikomotor siswa didapat rerata nilai 80,49, serta hasil kemampuan pemecahan masalah siswa diperoleh rerata nilai 81,95 sehingga dapat dikategorikan  sangat efektif. Berdasarkan hasil tersebut, maka penelitian ini menghasilkan trainer dan lembar eksperimen siswa yang sangat layak meliputi kevalidan, kepraktisan, dan keefektifan.

Kata kunci: trainer, smart relay.

This research aims to measure the feasibility of  the electrical control motor trainer with smart relay and students’ experiment sheets which used as learning media in installation of electrical motors lesson at SMK Negeri 1 Sidoarjo, which includes validity, practicality, and effectiveness.

This research used the Research and Development Method (R&D) which consisted of 7 steps such as 1) Potential and problems, 2) Data collection, 3) Product design, 4) Design validation, 5) Design revision, 6) Test the product, 7) Product revision. This reseach used is the one group pretest-posttest design. The trainer of the media and students’ experiment sheets were conducted on 32 XII graders of TITL2 in SMK Negeri 1 Sidoarjo. Furthermore, this research used validation sheet of the media and device, practical questionnaire’s, also the students’ experiment assessment sheet as the instruments.

Moreover, the results showed the average score of trainer validation was 94,10%, the students’ experiment sheets was 90,36%, question item was 85,41%, 89,24% for teaching material, 82,25% for lesson plan, affective domain assessment sheet was 85,42%, cognitive domain assessment sheet was 83,93%, and psychomotor domain assessment sheet was 84,72% so it can be categorized very valid. Practically, the average of the students’ response score was 82,39% so it can be categorized very practical. For the effectiveness of affective domain of the students’ learning outcomes obtained 83,18, the students’ cognitive learning outcomes was 81,06, and average gain score was 0,76, while the students’ psychomotor learning outcomes showed 80,49, and the students’ problem solving skill outcomes was 81,95 so it can be categorized as effective. Based on these results, it can be concluded that this study were very able to produce trainer and appropriate students’ experiment sheets which included validity, practicality, and effectiveness.

Keywords  :  trainer, smart relay.