—
NPS
Modular outdoor switch disconnector
NPS is air insulated outdoor switch
disconnector, dedicated for
sectionalizing overhead medium
voltage distribution networks.
NPS Safety:
• up to 36 kV nominal voltage • Visible open break
• Current breaking capacity from 16 – 630A • Air insulation
• Manual or remote motor controlled • Padlocking in open or close position
• Ability to install additional pole equipment for • IEC type tested
different distribution network needs
Logistic and installation:
Main Features • Compact packaging reduces transportation
Reliable and flexible design: and storage costs
• Mechanically stable structure to suit different • Modular NPS design minimizes on site assembly
climatic conditions and installation time
• Flexible mounting and installation options • Adjustable phase distance
• Wide range of breaking current parameters
• Manual or motor operating mechanisms Environment:
• Wide range of control cabinets to allow installation • No oil or SF6 gas used in breaking chambers
of communication equipment • Recyclable materials
• Easy upgradable
• Designed to be fitted with a wide range of modu-
lar accessories:
-- Earthing switches from both sides of main
switch
-- Possible separate earthing switch solutions
-- Current transformers and surge arresters on
same supporting structure
Quality:
• Steel components hot dip galvanized or stainless
steel
• Silver coated copper current path
• Various insulation materials: porcelain, epoxy and
silicon
• High number of operation
Main parameters
Switch Switch Switch Switch Switch
Type Disconnector disconnector disconnector disconnector disconnector Disconnector disconnector
Rated voltage 24 kV 24 kV 24 kV 24 kV 25,8 kV 36 kV 36 kV
Rated current 630 A 630 A 630 A 630 A 630 A 630 A 630 A
Epoxy Epoxy Epoxy Epoxy Epoxy Porcelain Porcelain
(Porcelain) (Porcelain) [Silicon] (Porcelain) (Porcelain) (Silicon J2) (Silicon J2)
Insulators type [Silicon ] [Silicon ] [Silicon ] [Silicon J3 [Silicon J3]
125 kV 125 kV 125 kV 125 kV 125 kV 200 kV 200 kV
(150 kV) (150 kV) [150 kV] (150 kV) (150 kV) (200 kV) (200 kV)
BIL [150 KV] [150 KV] [150 KV] [200 kV] [200 kV]
755 mm 755 mm 755 mm 755 mm 755 mm 900 mm 900 mm
Creepage (620 mm) (620 mm) [760 mm] (620 mm) (620 mm) (1205 mm) (1205 mm)
distance [760 mm] [760 mm] [760 mm] [1365 mm] [1365 mm]
Rated short 16 kA / 1 s 16 kA / 1 s 16 kA / 1 s 16 kA 16 kA
circuit (20 kA / 1 s) (20 kA / 1 s) 16 kA / 1 s 16 kA / 1 s (20 kA / 1 s) (16 kA) (16 kA)
withstand [25 kA / 1 s [25 kA / 1 s] [25 kA / 1 s] (20 kA / 1 s) [25 kA / 1 s] [16 kA] [16 kA]
current
Rated peak 40 kA 40 kA 40 kA 40 kA 40 kA 40 kA 40 kA
withstand (50 kA) (50 kA) [62,5 kA] (50 kA) (50 kA) (40 kA) (40 kA)
current [62,5 kA] [62,5 kA] [62,5 kA] [40 kA] [40 kA]
Type of
breaking
device - NPAB1 NPAK1 NPAK4 NPAK5 - NPAB4
Rated breaking
current /
number of 400 A / 100 CO
cycles - 25A / 100CO 50 A / 30 CO 250 A / 100 CO 630 A / 10 CO - 16 A / 100 CO
Mechanical
endurance 2000 CO 2000 CO 2000 CO 2000 CO 2000 CO 2000 CO 2000 CO
Modularity – wide range of optional equipment could be added to the base disconnector.
Automatic
earthing switch
Additional supporting
insulators
Disconnector
Earthing
switches
25 A
50 A 250 A 630 A
Current measurement
— — —
01 One pole horizontal 01 02
installation (wooden pole)
—
02 One pole horizontal
installation (concrete
rectangular pole)
—
03 One pole horizontal
installation steel
pole structure
—
04 One pole vertical
installation (concrete
circular pole) —
05 Two pole horizontal
installation (wooden
pole)
—
06 UEMC50 motor
drive for NPS
— —
03 04
— —
05 06
—
ABB Contact Center
3AUA0000080942 REV A 18.5.2010 #14995
Phone: +48 22 22 37 777
e-mail: kontakt@pl.abb.com
ABB Sp. z o.o.
Branch in Przasnysz —
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