microWIU™ - Alstom

General Description1.6. SPECIFICATIONSThe microWIU meets or exceeds the environmental parameters as set forth in AREMAManual Part 11.5.1 for Class C equipment.• Power Supply: 10 VDC to 16.5 VDC @ 1 amp• Operating Temperature: –40 °C to +70 °C (–40 °F to +158 °F)• Storage Temperature: –55 °C to +85° C (–67 °F to +185 °F)• Humidity: 0 to 95% non-condensing• Vital Isolation (input-to-input and input-to-earth): 3000 VAC• Weight: 3.5 lbs• Vital Inputs: ON State: 8 VDC to 16.5 VDC; OFF State: 0 VDC to 3 VDC,Maximum Withstand: 18 VDC• Non-vital Outputs: 12 VDC nominal, 100 Ω to 2000 Ω loadP2525, Rev. 3, Sep/12 1–8 Alstom Signaling Inc.