Technical specifications 5
Technical specifications
For UL compliant installation notes, refer to “UL” on page 20.
Operating temperature
range
-31 F (-35 C) to +150 F (+66 C)
Relative humidity 5% to 95% (non-condensing)
Physical dimensions
(HxWxD)
3.1" (78.74 mm) x 2.5" (63.50 mm) x 0.644"
(16.35 mm)
Index of protection IP00
Input voltage range 9 to 16 VDC
Power consumption 40 mA @ 12 VDC (no reader attached)
Cable specifications
*
* GE recommends using shielded cable for all installations.
Belden 8725 or equivalent, 20 AWG minimum
Maximum cabling distance
WIU-4 to micro:
**
WIU-4 to reader:
***
** WIU-4 to micro: The maximum cabling distance of 1,000 ft (304.8 meters) is
influenced by wire gauge, reader power requirements, and the 12 VDC level from
the microcontroller.
*** WIU-4 to reader: The maximum cabling distance of 250 ft (76.20 meters) is
influenced by wire gauge, reader power requirements, minimum input voltage at
the reader when using the 12 VDC from the WIU-4 (originally from the micro), and
the cabling between the WIU-4 and micro.
1000 ft (304.8 m) @ 12 VDC with 20 AWG cable
250 ft (76.2 m) @ 12 VDC with 20 AWG cable
Door strike relay
****
**** The life of the relay decreases as the current switched by the contacts is
increased. Use low current door strikes for high traffic doors to maximize the
relay life. Use an external relay for high current applications.
8.0 A @ 30 VDC maximum
Agency approvals FCC Class A part 15
CE
UL 294
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