Mitsubishi UN-ML21 Description Description Mitsubishi Mechanical interlock. For S(D)-N18 up to 65 Related products Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-48ET-ESS/UL MITSUBISHI FR-A540-15K-EC MITSUBISHI Q02HCPU Mitsubishi FX2N-48ER-ES/UL MITSUBISHI FR-A540-0.75K-EC