Description
Main
Range ComPacT
Product name ComPacT NSXm
Range of product ComPacT NSXm
Device short name NSXm 63B
Product or component type Circuit breaker
Device application Distribution
Poles description 4P
Protected poles description 4D
Neutral position Left
[In] rated current 63 A at 40 °C
[Ue] rated operational voltage 690 V AC 50/60 Hz
Network type AC
Network frequency 50/60 Hz
Suitability for isolation Yes conforming to IEC 60947-2
Utilisation category Category A
Breaking capacity 50 KA Icu at 220…240 V AC 50/60 Hz conforming to IEC 60947-2
25 KA Icu at 380…415 V AC 50/60 Hz conforming to IEC 60947-2
20 KA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
10 KA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
Breaking capacity code B 25 kA 415 V AC
Trip unit name TM-D
Trip unit technology Thermal-magnetic
Trip unit protection functions LI
Control type Toggle
Mounting mode Fixed
Complementary
[Ui] rated insulation voltage 800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage 8 KV
[Ics] rated service breaking capacity 50 KA at 220…240 V AC 50/60 Hz conforming to IEC 60947-2
25 KA at 380…415 V AC 50/60 Hz conforming to IEC 60947-2
20 KA at 440 V AC 50/60 Hz conforming to IEC 60947-2
10 KA at 500 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability 20000 Cycles
Electrical durability 20000 Cycles at 440 V In/2
10000 Cycles at 440 V In
10000 Cycles at 690 V In/2
5000 Cycles at 690 V In
Power dissipation per pole 5.7 W
Mounting support Backplate
Mounting position Horizontal and vertical
Flat on the back
Upside connection Front
Downside connection Front
Connections – terminals 1 Everlink lug wire size 2.5…95 mm2, rigid or stranded aluminium/copper
1 Everlink lug wire size 2.5…70 mm2, flexible copper
Connection pitch 35 Mm with spreaders
27 Mm without spreaders
9 mm pitches 12 module
Trip unit rating 63 A at 40 °C
Long time pick-up adjustment type Ir Adjustable
Long time pick-up adjustment range 0.7…1 x In
Long time delay adjustment type Fixed
Neutral protection setting 1 x Ir (4D)
Instantaneous pick-up adjustment type Ii Fixed
Instantaneous pick-up adjustment range 800 A
Earth-leakage protection Without
Number of slots 1 slot(s) for auxiliary switch OF
1 slot(s) for alarm switch SD
1 slot(s) for voltage release MN or MX
Local signalling Flag (green) for presence of auxiliary contacts
Width 108 Mm
Height 137 Mm
Depth 80 Mm
Net weight 1.42 Kg
Colour Grey (RAL 7016)
Environment
Standards EN/IEC 60947
Pollution degree 3 conforming to IEC 60664-1
IP degree of protection IP40 conforming to IEC 60529
IK degree of protection IK07 conforming to IEC 62262
Ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -50…85 °C
Relative humidity 0…95 %
Operating altitude 2000 m without derating
5000 m with derating





