Startco Engineering Ltd. Page 13
SE-325 Neutral-Grounding-Resistor Monitor Rev. 1
Pub. SE-325-M, May 6, 2008.
Resistor-Fault Circuit:
Neutral-To-Ground
Trip Voltage (V
N
) ................. 20 to 2,000 Vac Adjustable
NGR Trip Resistance, V
N
= 0
ER-600VC or ER-5KV..... 2 kΩ
ER-15KV or ER-25KV .... 6 kΩ,
50 kΩ with Option S
Neutral-To-Ground
DC-Voltage Rejection:
ER-600VC or ER-5KV ..1.2 V
ER-15KV or ER-25KV .. 0.7 V, 4 V with Option S
Trip-Resistance Accuracy .... +5, -2% of Sensing
Resistor Resistance
Trip Time .............................. 5 ± 0.5 s,
20 ± 3 s with Option S
Operating Mode.................... Latching,
Non-latching with
Option N
Output Relay:
CSA/ULContact Rating........ 1 mA to 4 A Resistive,
240 Vac or 28 Vdc
Supplemental Contact Ratings:
Make/carry 0.2 s.............. 10 A
Carry continuous............. 4 A
Break:
dc................................ 20 W resistive,
10 W inductive
(L/R = 0.04 s)
ac................................ 960 VA resistive,
700 VA inductive
(PF = 0.4)
Subject to maximums of 4 A and 240 V (ac or dc)
Contact Configuration .......... N.O. (Form A)
Fuse Rating (F1) ................... 4.0 A, 250 Vac,
Time Delay
Fuse Part Number ................. Bussman MSL-4 or
Littelfuse 313.004
Operating Mode ...................UV (Fail-Safe) or
SH (Non-Fail-Safe)
Remote Indication:
+............................................. 12 Vdc
GI/RI .....................................Current Sink,
560 Ω Internal
Optional RK-13 Module:
Contact Ratings ..................100 mA, 120 Vac
Contact Configuration........N.O. (Form A)
Reset Input .........................24 to 120 V (ac or dc),
Isolated
PWB Conformal Coating......... MIL-1-46058 qualified,
UL QMJU2 recognized
4.2 S
ENSING RESISTORS
ER-600VC:
Maximum Voltage .......... 600 Vac
Maximum Current........... 30 mA
Resistance ....................... 20 kΩ
Thermal:
420 Vac ...........................Continuous
600 Vac ...........................6 minutes on,
60 minutes off
Shipping Weight ................300 g (0.7 lb)
ER-5KV:
Maximum Voltage .......... 2,500 Vac
Maximum Current........... 125 mA
Resistance ....................... 20 kΩ
Thermal ..............................Continuous
Shipping Weight ................5.0 kg (11 lbs)
ER-15KV:
Maximum Voltage .......... 8,400 Vac
Maximum Current........... 84 mA
Resistance ....................... 100 kΩ
Thermal ..............................1 minute on,
120 minutes off
Shipping Weight ................5.0 kg (11 lbs)
ER-25KV:
Maximum Voltage .......... 14,400 Vac
Maximum Current........... 144 mA
Resistance ....................... 100 kΩ
Thermal ..............................1 minute on,
120 minutes off
Shipping Weight ................20 kg (44 lbs)
4.3 C
URRENT TRANSORMER
CT200:
Current Ratio................... 200:5 A
Insulation ........................ 600-V Class
Window Diameter........... 56 mm (2.2”)
Shipping Weight ............. 1 kg (2.2 lbs)
Certification ........................ CSA, Canada and USA
LR 53428
USC
R
Australia
Commonwealth of Pennsylvania
SE-325 ........ BOTE 1767-99
SE-325P...... BOTE 1797-00
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