01880 abb outdoor apparatus cataloge 18-01-11 v28 aw (low res)

Outdoor three-phase air switches
NPS modular outdoor switch disconnectors
−−Modular and flexible design adapts to various pole types for
mounting
−−Robust, light weight makes installation easier and safer
−−Wide range of accessories for various applications
−−Easy to upgrade from manual switch to remote controlled/
automated switch
−−Simple design provides reliable operation
Technical data
Rated maximum voltage kV 24 24 24 36 36
Rated frequency Hz 50/60 50/60 50/60 50/60 50/60
Rated continuous current A 630 630 630 630 630
Rated short time withstand current (1 sec) kA 16 16 20 21 21
Rated short time withstand current (3 sec) kA 10 10 16 16 16
Rated peak withstand current kA 40 40 50 52 52
Rated short circuit making current kA 5 5 5 7.5 7.5
with standard whip (at 12/24/36kV) A 25 1 25 1 25 1 16 16
Mainly active load
breaking current
with chamber K4 fitted (at 24kV) A 250 – – – –
with chamber K5 fitted (at 24 kv) A 630 630 630 – –
Rated lightning impulse withstand (BIL) kV 125 125 125 200 200
Rated power frequency across the isolating distance kV 75 75 75 88 88
withstand voltage, wet to earth and between phases kV 55 55 55 80 80
Insulators Epoxy Silicon Silicon Silicon Silicon
Creepage distance to earth mm (inch) 740 (29.10) 2 715 (28.15) 3 760 (29.90) 3 1205 (47.41) 3 1365 (53.70) 3
Arcing distance mm (inch) 200 (7.90) 255 (10.00) 260 (10.20) 380 (14.95) 385 (15.15)
Ambient temperature limits C -50…+40 -40…+40 -40…+40 -40…+40 -40…+40
Control voltage for motor drive (if fitted) V 24, 48, 110, 220 VDC 110, 230 VAC
Standard type of control unit used in motor drives REC523 or REC501 4
Standard tested to: IEC 60694 , 60129, 60265-1.
1)
40 A for 12 kV.
2)
Epoxy insulators version.
3)
Silicon insulators version.
4)
For the details about REC523 control unit used in motor drives see page 17.
1 NPS cabinet | 2 GridGuard TM cabinet (page 15)
1 2
14 Outdoor three-phase air switches | ABB Medium Voltage Products