Description

Main
rangeCompact

product nameCompact NSX

device short nameCompact NSX160B

product or component typeCircuit breaker

device applicationDistribution

poles description4P

protected poles description4t
3t + N/2
3t

neutral positionLeft

[In] rated current160 A at 40 °C

[Ue] rated operational voltage690 V AC 50/60 Hz

network typeAC

network frequency50/60 Hz

suitability for isolationYes conforming to EN 60947-2
Yes conforming to IEC 60947-2

utilisation categoryCategory A

[Icu] rated ultimate short-circuit breaking capacity15 kA Icu at 500 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
25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2

Performance levelB 25 kA 415 V AC

trip unit nameMicrologic 2.2

trip unit technologyElectronic

trip unit protection functionsLSoI

control typeToggle

Circuit breaker mounting modeFixed

Complementary
[Ui] rated insulation voltage800 V AC 50/60 Hz

[Uimp] rated impulse withstand voltage8 kV

[Ics] rated service short-circuit breaking capacity20 kA at 440 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
40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
15 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2

mechanical durability40000 cycles

electrical durability10000 cycles 440 V In/2 conforming to IEC 60947-2
15000 cycles 690 V In/2 conforming to IEC 60947-2
20000 cycles 440 V In conforming to IEC 60947-2
7500 cycles 690 V In conforming to IEC 60947-2

mounting supportBackplate

upside connectionFront

downside connectionFront

connection pitch35 mm

protection typeL : for overload protection (long time)
So : for short time short-circuit protection with fixed delay
I : for instantaneous short-circuit protection

trip unit rating160 A at 40 °C

Long-time pick-up adjustment type Ir (thermal protection)Adjustable 9 settings

[Ir] long-time protection pick-up adjustment range0.9...1 x Io

Long-time protection delay adjustment type trFixed

[tr] long-time protection delay adjustment range11 s at 7.2 x Ir
16 s at 6 x Ir
400 s at 1.5 x Ir

thermal memory20 minutes before and after tripping

Short-time protection pick-up adjustment type IsdAdjustable 9 settings

[Isd] Short-time protection pick-up adjustment range1.5...10 x Ir

Short-time protection delay adjustment type tsdFixed

Instantaneous protection pick-up adjustment type IiFixed

[Ii] instantaneous protection pick-up adjustment range2400 A

Neutral protection settings0.5 x Ir (3t + N/2)
1 x Ir (4t)
No protection (3t)

local signallingLED 105 % Ir
LED 90 % Ir
LED ready

Width (W)140 mm

Height (H)161 mm

Depth (D)86 mm

net weight2.6 kg

Environment
standardsEN/IEC 60947

product certificationsCCC
Marine
EAC

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-35…70 °C

ambient air temperature for storage-55…85 °C

Packing Units
Unit Type of Package 1PCE

Number of Units in Package 11

Package 1 Weight2.454 kg

Package 1 Height14.2 cm

Package 1 width15 cm

Package 1 Length19.2 cm

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