AR-OH
Installation Instructions
25-0071
Page 1 of 2
SCHWEITZER ENGINEERING LABORATORIES, INC.
2350 NE Hopkins Court • Pullman, WA 99163-5603 U.S.A.
Phone: +1.509.332.1890 • Fax: +1.509.332.7990
selinc.com • [email protected]
Note:
The AutoRANGER
®
(AR) must detect a minimum voltage field for normal operation. Therefore, install AR units at least 2 ft
from other line or pole hardware when applying these units on phase-to-phase system voltages of 7.2 kV or less. Additionally, AR
units should not be installed in such a way that would allow the product surface to reduce the insulating air gap sufficiently to
initiate a flash over.
Install the Phase Sensor(s)
CAUTION
Do not extend the spring
beyond parallel with the
housing, as shown. Over-
extension of the spring
may cause a loss of
clamping force.
Use a hot stick to grasp the
molded hookeye on the face of
the phase sensor.
Position the spring clamp
against the conductor and
retaining bar, as shown.
Position the indicator with the
conductor against the retaining
bar. Release the hot stick.
To ensure optimum FCI function, it is best to follow the FCI distance-to-pole recommendations shown in
Figure 1
.
Figure 1
Reference A: Maximum recommended distance from pole of 6 feet.
Reference B: Minimum distance from pole of 3 feet.
Reference C: Minimum distance from energized hardware of 2 feet.
7.0 in
(17.8 cm)
3.8 in
(9.7 cm)
6.1 in
(15.5 cm)
Before installation, read and understand all instructions in their
entirety. For assistance, please contact Customer Service at
1-847-362-8304 or by email at [email protected].
CAUTION
Install in accordance with normal safe operating practices. These instruc-
tions are not intended to replace or supersede existing safety or operating
requirements. Only trained qualified personnel should install or operate
fault indicators and sensors.
Spring
Clamp
Conductor
Retaining
Bar
FCIs
A
B
Note: Not drawn to scale.
C
