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circuit breaker Compact NSX630S DC - TM-DC - 600 A - 3P


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ComPact NSX 600S DC is a complete 3 poles fixed circuit breaker designed to optimize space and breaking capacity. It's an optimal choice for applications using DC voltages. The breaking capacity (Icu) is 100kA rms at 750VDC. The operational voltage is 750VDC. This product embeds a 600A rating thermal-magnetic trip unit (TM-DC). TM-DC trip unit provides an adjustable thermal overload protection and an adjustable magnetic protection. This 3 poles version (255mm x 140mm x 110mm) comes with a variety of optional functions and accessories. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications.


Product nameComPact NSX DC
Range of productComPact NSX400...630 DC
Device short nameNSX630S DC
Product or component typeCircuit breaker
Device applicationDistribution
Number of poles3P
Protected poles description3t
[In] rated current600 A at 40 °C
[Ue] rated operational voltage750 V DC
Network typeDC
Suitability for isolationYes conforming to EN/IEC 60947-2
Utilisation categoryCategory A
[Icu] rated ultimate short-circuit breaking capacity100 kA Icu at 250 V DC 1P conforming to IEC 60947-2
100 kA Icu at 500 V DC 2P conforming to IEC 60947-2
100 kA Icu at 750 V DC 3P conforming to IEC 60947-2
Performance levelS 100 kA 500 V DC
Trip unit nameTM-DC
Trip unit technologyThermal-magnetic
control typeToggle
Circuit breaker mounting modeFixed
[Ui] rated insulation voltage750 V DC conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2
[Ics] rated service short-circuit breaking capacity100 kA at 750 V DC conforming to IEC 60947-2
Mechanical durability5000 cycles
Electrical durability1000 cycles at 750 V In
2000 cycles at 750 V In/2
Mounting supportBackplate
upside connectionFront
Downside connectionFront
Connection pitch45 mm
Protection typeL : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Trip unit rating600 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)Adjustable
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Earth-leakage protectionWithout
Number of slots for electrical auxiliaries6 slot(s)
Width (W)140 mm
Height (H)255 mm
Depth (D)110 mm
Net weight6.2 kg
StandardsEN/IEC 60947
Product certificationsCCC
Overvoltage categoryClass II
Electrical shock protection classClass II
Pollution degree3 conforming to IEC 60664-1
IP degree of protectionIP40 conforming to IEC 60529
IK degree of protectionIK07 conforming to IEC 62262
Ambient air temperature for operation-25…70 °C
Ambient air temperature for storage-50…85 °C
Relative humidity0…95 %
Operating altitude0...2000 m without derating
2000 m...5000 m with derating
Packing Units
Unit Type of Package 1Db
Number of Units in Package 11
Package 1 Height14.7 cm
Package 1 Width20.0 cm
Package 1 Length29.1 cm
Package 1 Weight5.54 kg

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Green PremiumTM label is Schneider Electric’s commitment to delivering products with best-in-class environmental performance. Green Premium promises compliance with the latest regulations, transparency on environmental impacts, as well as circular and low-CO2 products.
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