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NGR1069 Datasheet(PDF) 5 Page - Littelfuse

Part # NGR1069
Description  NGR SERIES – CANADA , Neutral Grounding Resistor System
PDF  6 Pages
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Manufacturer  LITTELFUSE [Littelfuse]
Direct Link  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

NGR1069 Datasheet(HTML) 5 Page - Littelfuse

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Littelfuse.com
© 2019 Littelfuse, Inc.
Rev: 1-B-050420
5 of 6
Protection Relays & Controls
NGR SERIES – CANADA
Specifications: 480 V NGR Systems
Voltage
480 V line-to-line, 277 V line-to-neutral
Let-Through Current
2 A or 5 A
Resistance
138.5 Ω (2 A) or 55.4 Ω (5 A)
Tolerance
+/- 10 % resistance
Duty Cycle
Continuous rated
Current Transformer
ELCT5-31:
For use with SE-330 NGR Monitor
Turns Ratio: 100:1
Current Rating: 5:0.05 A
Primary Rating with SE-330: 5 A when
connected to terminals 8 and 11
GF Trip Range: 100 mA to 5 A
Window Diameter: 31 mm (1.22”)
Sensing Resistor
ER-600VC; Optional installation in NEMA 4
enclosure for outdoor applications
Insulation Level
11 KV BIL
Temperature Rise
385 °C (725 °F)
Resistor Type
Stainless steel wire wound
Dimensions
H 324 mm (12.75”); W 558 mm (22.00”);
D 558 mm (22.00”)
Weight
23 kg (50 lbs)
Altitude
0–2000 masl
Enclosure Style
NEMA 3R, galvanized steel
Finish
Powder coated
Color
ANSI 61 grey
Mounting
Floor mount
Siesmic Bracing
Included
Approvals
cULus
Warranty
12 months in service or 18 months from the
date of shipment whichever occurs first
Specifications: 600 V NGR Systems
Voltage
600 V line-to-line, 347 V line-to-neutral
Let-Through Current
2 A or 5 A
Resistance
174 Ω (2 A) or 69 Ω (5 A)
Tolerance
+/- 10 % resistance
Duty Cycle
Continuous rated
Frequency
50–60 Hz
Current Transformer
ELCT5-31:
For use with SE-330 NGR Monitor
Turns Ratio: 100:1
Current Rating: 5:0.05 A
Primary Rating with SE-330: 5 A when
connected to terminals 8 and 11
GF Trip Range: 100 mA to 5 A
Window Diameter: 31 mm (1.22”)
Sensing Resistor
ER-600VC; Optional installation in NEMA 4
enclosure for outdoor applications
Insulation Level
11 KV BIL
Temperature Rise
385 °C (725 °F)
Resistor Type
Stainless steel wire wound
Dimensions
H 324 mm (12.75”); W 558 mm (22.00”);
D 558 mm (22.00”)
Weight
23 kg (50 lbs)
Altitude
0–2000 masl
Enclosure Style
NEMA 3R, galvanized steel
Finish
Powder coated
Color
ANSI 61 grey
Mounting
Floor mount
Siesmic Bracing
Included
Approvals
cULus
Warranty
12 months in service or 18 months from the
date of shipment whichever occurs first



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