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Functions and characteristics
Control and disconnection
Compact NS630bNA to NS1600NA
switch-disconnectors
Installation standards require upstream protection.
PB104837
Compact NS800NA.
(1)
Suitable for 480 V NEMA.
Compact switch-disconnectors
Number of poles
Control
manual
toggle
direct or extended rotary handle
electric
Connections
fixed
front connection
rear connection
withdrawable (on chassis)
front connection
rear connection
Electrical characteristics as per IEC 60947-3 and EN 60947-3
Conventional thermal current (A)
Ith
60 °C
Rated insulation voltage (V)
Ui
Rated impulse withstand voltage (kV)
Uimp
Rated operational voltage (V)
Ue
AC 50/60 Hz
Rated operational current
le
AC 50/60 Hz
220/240 V
380/415 V
440/480 V
(1)
500/525 V
660/690 V
Short-circuit making capacity
lcm
(kA peak)
Short-time withstand current
lcw
(A rms)
0.5 s
20 s
Suitability for isolation
Durability (C-O cycles)
mechanical
electrical
AC
440 V
AC23A/In
Positive contact indication
Pollution degree
Protection
Add-on earth-leakage protection
combination with Vigirex relay
Additional indication and control auxiliaries
Indication contacts
Voltage releases
MX shunt release
MN undervoltage release
Remote communication by bus
Device status indications (communicating auxiliary contacts)
Device remote operation (communicating motor mechanism)
Installation
Accessories
terminal extensions and spreaders
terminal shields and interphase barriers
escutcheons
Dimensions (mm)
fixed
3P
W x H x D
4P
Weight (kg)
fixed
3P
4P
Source-changeover system (see section "on source-changeover systems")
Manual source-changeover systems, remote-operated and automatic