Cut Sheet

Page 9
SE-330HV Neutral-Grounding-Resistor Monitor Rev. 5-I-091115
1 1
4 4
2 2
3 3
5 5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
L1
L2/N
SPG
SPGA
R
SENSING
RESISTOR
G
S
1
5
5
A
1
A
E
F
C
T
C
6 6
7 7
10 10
8 8
11 11
9 9
12
13
14
15
16
17
18
19
20
21
UNIT
HEALTHY
K4
NC
24V
0V
RESET
PULSE ENABLE
ANALOG OUTPUT
27
28
29
22
23
24
25
26
K3
K2
GROUND
FAULT
RESISTOR
FAULT
K1
+
+
-
RETAINER SCREW
RETAINER
8.0
(0.31)
114.3
(4.50)
98.3
(3.87)
6.4
(0.25)
212.6
(8.37)
225.4
(8.87)
138.0
(5.43)
FRONT VIEW
SE-330-SMA
FRONT VIEW SIDE VIEW
25.4
(1.00)
63.5
(2.50)
5.0
(0.20)
(NOTE 2)
215.9
(8.50)
BEZEL OUTLINE
ADAPTER PANEL OUTLINE
MOUNTING DETAIL
NOTES:
1. DIMENSIONS IN MIILLIMETRES (INCHES).
2. MOUNTING SCREWS: M4 OR 8-32 PANHEAD.
MONITOR INSTALLATION
1. LOOSEN RETAINER SCREWS, MOVE RETAINERS
OUT WARD, AND TIGHTEN RETAINER SCREWS.
2. MATE MONITOR WITH ADAPTER PLUG-IN TERMINALS.
LOOSEN RETAINER SCREWS TO LET RETAINERS
SNAP OVER MONITOR BACKPLATE.
3. ENSURE THAT RETAINERS ARE AGAINST MONITOR
BODY AND TIGHTEN RETAINER SCREWS.
MONITOR REMOVAL
1. LOOSEN RETAINER SCREWS, SLIDE RETAINERS AWAY
FROM MONITOR BODY AND TIGHTEN RETAINER SCREWS.
2. PULL MONITOR FORWARD.
0.1
0.5
0.7
1.0
2.0
3.0
5.0
10. 0
4
10
8
20
40
60
680
100
MEM2
SE-330HVNEUTRAL-GROUNDING-RESISTOR
MONITOR
0.2
0.3
0.4
CAL
RESET
GF TRIP TIME (s)
GF TRIP LEVEL
(% CT RATING)
LITTELFUSE STARTCO
TRIP
GROUND
FAULT
POWER
RELAY K1
DIAGNOSTIC
CALIBRATED
TRIP
RESISTOR
FAULT
( S
300
850
650
100 0
1700
4000
500 6000
8500
10000100
(S5 200 K V x 2) N
100 K V x 1) N
V TRIP LEVEL N
(S5
Ω
Ω
FIGURE 5. SE-330HV Outline and Surface-Mounting Details.