Startco Engineering Ltd. Page 8
SE-325 Neutral-Grounding-Resistor Monitor Rev. 7
Pub. SE-325-M, May 6, 2008.
N
STARTCO
ENGINEERING LTD.
MADE IN SASKATOON, CANADA
VOLTAGE AT TERMINAL N RISES
TO LINE-TO-NEUTRAL VOLTAGE
WHEN A GROUND FAULT OCCURS
CAUTION
HIGH VOLTAGE
ER-15KV
SENSING RESISTOR
100 K
8400 VAC MAX
1MINUTEMAX
W
422.0
(16.61)
144.0
215.0
90.0
280.0
100.0
90.0
(5.67)
(8.46)
(3.53)
(11.00)
(3.94)
(3.53)
FRONT
MOUNTING DETAIL
SIDE
NOTES:
TOP
444.0
(17.50)
(14.37)(1.56) (1.56)
365.039.5 39.5
MINIMUM DISTANCE
TO ADJACENT OBJECTS
NOTE 3
1. DIMENSIONS IN MILLIMETRES
(INCHES).
2. TERMINAL-BLOCK SCREWS:
6-32 x 0.25.
3. MOUNTING SCREWS:
M6 OR 0.25-20.
4. USE LIQUID-TIGHT GLAND FOR
TERMINAL-BLOCK-ENCLOSURE
CABLE ENTRY.
132.0
(5.20)
RATINGS:
MAXIMUM VOLTAGE. . 8,400 Vac
MAXIMUM CURRENT . 84 mA
RESISTANCE .......100k
THERMAL ..........1MINUTE ON,
120 MINUTES
OFF
W
R
G
MINIMUM CLEARANCE FROM BASE
305.0 (12.00)
0.25-20 BINDING HEAD
20.5
(0.81)
NOTE 2
FIGURE 6. ER-15KV Sensing Resistor.
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