DC FAN CONTROLLER 24V OC ALARM; Accessory Type:DC Fan Speed Controller; For Use With:EBM Pabst 2 and 3 Wire DC Fans; Product Range:-; SVHC:No SVHC (12-Jan-2017); Contact Configuration:1NC; External Depth:72.4mm; External Length / Height:19.6mm; External Width:71.1mm; Fixing Centres LxW:61 x 60.3mm; Operating Temperature Min:+20°C; Output:Alarm; Output Current Max:1A; Output Type:Open Drain; Output Voltage Max:50V; Supply Voltage:24VDC; Supply Voltage Max:25.2VDC; Supply Voltage Min:22.8VDC; Thermocouple Type:NTC