Electronics type Staircase time switch 1) Type: ALC18 2) Time range: ... , 5, 10, 15, 20min 3) Contact capacity: 16A 250V AC Electronics type Staircase time switchFeatures:1) Type: ALC182) Time range: 0 ... setting unit: 0.5 minute8) Operating temperature: -40 - +50°C Electronics Staircase time switch