... relay 1.contact with GMC-50,60,75,85 2.Direct mounting structure 3.safety cover and ... additional bracket (applied model: GTH-22, 40, 85).2. Safety cover: The finger proof safety cover ... electrical conductor (applied model: GTH-22, 40, 85)3. Separation of power part and operation part: ... operation part is commonly used in GTH-22, 40, 85.4. Easy operationCurrent Setting: rotating the knob by using ...