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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