Output Channels: 6, 10 & 22 channels. Expandable to 255 channels using DCT1122 & DCT1110 channel expander boardsFuse: 3 A @ 250 VAC. Low voltage control circuitry is isolated from the line voltage for system safetyTemperature Limits: -40 to 140°F (-40 to 60°C)Storage Temperature Limits: -40 to 176°F (-40 to 80°C)On-time: 10 msec to 600 msec, 10 msec stepsOn-time Accuracy: ±10 msecOff-time: 1 second to 255 seconds, 1 second stepsOff-time Accuracy: ±1% of the value or ±50 msec, whichever is greaterSolenoid Supply: 3A maximum per channel