Ratings And Specifications; Electrical Data (Control); Voltage And Current Ratings - Eaton Cooper Power NR Series Maintenance Instructions Manual

Ratings and specifications

Table 1. Electrical Data (Control)
Description
Nominal operating voltage (Vac) (50/60 Hz only)
Operating voltage range (Vac)
Closing-motor current (amp)
Switch response time, opening (sec)
Switch response time, closing (sec)
Table 2. Voltage and Current Ratings
Description
Maximum Design Voltage, kV
Nominal Operating Voltage, kV
Basic Insulation Level (BIL), kV
60 Hertz Withstand Voltage, kV
Dry, One Minute
Wet, Ten seconds
Continuous Current Rating, Amps
Load Interrupting Ability (Inductive), Symmetric Amps
75-100% power factor
50-75% power factor
< 50% power factor
Maximum Capacitive Current, Amps (parallel bank-max)
High Frequency Transient Current, Amps
Transient Frequency, Hz
High Frequency Damping Factor
Momentary Rating, Amps asym.
Short Time Current Amps
1/2 second,sym.
1 second, sym.
Close and Latch Rating, Amps asym.
*The 125 kV BIL switch and the 22.0 kV switch are rated for single bank switching only.
2 TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS MN230001EN February 2016
Rating
120 240
95 – 130 190 – 260
1.9 .7
4.0 4.0
0.5 0.5
15 kV with
Standard 17" Creepage
15.0 15.0
2.4-14.4 2.4-14.4
95 95
35 35
30 30
200 200
200 200
100 100
50 50
200 200
12000 12000
6000 6000
.40-.55 .40-.55
9000 9000
6000 6000
4500 4500
9000 9000
15 kV with
125 kV BIL 22 kV
15.0 22.0
2.4-14.4 20.0
125 125
42 60
36 50
200 60
200 60
100 60
50 60
200* 60*
12000 12000
6000 6000
.40-.55 .40-.55
9000 9000
6000 6000
4500 4500
9000 9000