WebRelay Users Manual
Appendix D: Specifications
Power Requirements
Input Voltage:
X-WR-1R12-1I-I: 9-28 VDC
X-WR-1R12-1I5-I: 9-28 VDC
X-WR-1R12-1I24-I: 9-28 VDC
X-WR-1R12-1I-E: Power Over Ethernet and/or 9-28VDC
48V injected into Ethernet Line as per 802.3af specification
POE Class 1 (0.44Watt to 3.84Watt range)
X-WR-1R12-1I5-E: Power Over Ethernet or 5VDC
48V injected into Ethernet Line as per 802.3af specification
POE Class 1 (0.44Watt to 3.84Watt range)
Current: See table below for typical values at 25°C.
Power Supply Relay OFF Relay ON
10 Mbps 100 Mbps 10 Mbps 100 Mbps
9 VDC 104 mA 183 mA 229 mA 313 mA
12 VDC 79 mA 141 mA 169 mA 233 mA
24 VDC 43 mA 73 mA 88 mA 119 mA
28 VDC 38 mA 64 mA 76 mA 103 mA
Relay Contacts
Load Type: General purpose
Contact Form: SPDT (form C)
Contact Material: Silver Nickel
Max Voltage: 277 VAC (general purpose)
30 VDC (NC contact, resistive)
Max Current: 12A
Electrical Life: 100K cycles, typical @ full-rated load (higher with smaller load)
Mechanical Life: 10M cycles, typical
Control Options: On/Off or Pulsed
Pulse Timer Duration: 100ms to 86400 Seconds (1-day)
Accuracy of pulse timer: 99.99%
Digital Input
Number of Inputs: 1
Minimum Pulse Time (high or low): 25mS
Isolation (Viso): 1,500 Vrms
Reverse voltage (Vr): 6V max
X-WR-1R12-1I-I and X-WR-1R12-1E
Input Current (Iin): 950uA @ 4V, 8.5mA @ 26V
Vin: 26V (max)
Vin Hi: 4V (min)
Vin Lo: 1.5V (max)
Xytronix Research & Design, Inc. Page 75
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