Block 타입 = Light Block 시리즈 = M22 Voltage Rating = 12 ??30V ac/dc Illumination 타입 = LED LED Included = Yes Eaton 22 mm Key Switch LED Elements. Professional range of Eaton key switch LED elements. The LED ??s are available in various colours. Each LED is IP20 rated and incorporates a spring clamp connection. Various colours available IP20 rated Spring clamp connection