NXAIR HAir Insulated Medium Voltage Switchgear

Technical Features• Factory assembled, Type tested switchgear according

to IEC 62271-200

• All operations only with high voltage door closed

• Use of maintenance free circuit-breaker mounted on withdrawable truck

• Safe easy truck movement behind closed cubical door

• Earthed metal partitions and shutters

• Hollow triangular busbars

• Access to cable terminals from rear

• Individually padlockable shutters for bus and cable side

• Independent pressure relief vents for all HT compartments

Your benefits• Saves lives • Saves Money • Ensures peace of mind • Increases Productivity • Preserves the environment

Classification as per IEC 62271 – 200

Partition Class

Loss of Service Continuity Category

Degree of protection

Accessibility of Compartments

Internal Arc Classification

PM

LSC 2B

IP4X (External enclosure) IP2X (Internal partitions)

> Busbar compartment: Tool-based> Switching device compartment: Interlock-based> Cable compartment: Tool-based> Low voltage compartment: Tool-Based

IAC A FLR 26.3kA 0.1sec and 31.5kA 1.0sec

Type-tested according to IEC 62271-200

Dimensions (Standard)

Voltage

Frequency

Power-frequency withstand voltage

Lightning impulse withstand voltage

Short-time withstand current, max.

Duration of short-circuit, max.

Peak withstand current, max.

Internal arc duration

Normal current of busbar, max.

Normal current of feeders, max.

Width

Height

Depth

kV

Hz

kV

kV

kA

s

kA (50Hz)kA (60Hz)

s

A

A

mm

mm

mm

24 / 36

50 / 60

70

170

26.3 / 31.5

3

63 / 78.7565 / 82

3315 for 1.0s2550 for 0.1s considering LT Chamber Height: 850mm

2320 mm (26.3kA ,0.1s)2620mm (26.3kA, 1s & 31.5kA, 1s)

0.1 / 1.0

2900

2900

1000

Basic panel design Typical: 26.3kA, 0.1s

Product range overview• Circuit-breaker panel• Disconnecting panel• Metering panel• Bus sectionalizer

24

00

mm

17

00

mm

22

50

mm

1000mm

70

0m

m

2320mm