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Datasheet generated 2026-10-07
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Eaton NS2-160-NA

Eaton · Electrical Components · Moulded Case Circuit Breakers · Ireland · eaton.com
Part Number
NS2-160-NA  ·  HS 8536.20
Eaton NS2-160-NA

Technical Specifications

Manufacturer part number (MPN)NS2-160-NA
EAN / GTIN4015081025442
Sales unitpcs
Eaton catalogue number102684
Depth142 mm
Height185 mm
Width105 mm
Weight2.404 kg
CompliancesRoHS conform
CertificationsIEC 60947-2; CSA (File No. 22086); CSA certified; UL 489; Specially designed for North America; CSA-C22.2 No. 5-09; UL/CSA; CSA (Class No. 4652-06); UL (Category Control Number WJAZ); UL (File No. E148671); CE marking; IEC; UL listed
FunctionsDisconnectors/main switches
Amperage Rating160 A
ApplicationBranch circuits, feeder circuits
Circuit breaker frame typeN2
FeaturesProtection unit; Motor drive optional
Number of polesThree-pole
Special featuresIEC/EN 60947-2: circuit breakers without overcurrent (CBI-X) with main switch characteristics and isolating characteristics to IEC/EN 60204. Rated current = rated uninterrupted current: 160 A
TypeSwitch-disconnector
Ambient operating temperature - max70 °C
Ambient storage temperature - max70 °C
Ambient operating temperature - min-25 °C
Ambient storage temperature - min-40 °C
Equipment heat dissipation, current-dependent24.35 W
Rated operational current for specified heat dissipation (In)160 A
Current rating (Iu) (UL 489 csa 22.2 no. 5.1)250 A
Direction of incoming supplyAs required
Electrical connection type of main circuitScrew connection
Handle typeRocker lever
Instantaneous current setting (Ii) - max2500 A
Instantaneous current setting (Ii) - min2500 A
Lifespan, electrical10000 operations at 415 V AC-1; 7500 operations at 690 V AC-1; 10000 operations at 400 V AC-1; 6500 operations at 400 V AC-3; 5000 operations at 690 V AC-3; 6500 operations at 415 V AC-3
Number of operations per hour - max120
Overvoltage categoryIII
Pollution degree3
Rated current (Iu)250 A
Rated impulse withstand voltage (Uimp) at auxiliary contacts6000 V
Rated impulse withstand voltage (Uimp) at main contacts8000 V
Rated insulation voltage (Ui)1000 V AC
Rated operating voltage Ue (UL) - max600 Y / 347 V
Rated short-circuit making capacity Icm at 240 V
50/60 Hz330 kA
Rated short-circuit making capacity Icm at 400/415 V
Rated short-circuit making capacity Icm at 440 V
50/60 Hz286 kA
Rated short-circuit making capacity Icm at 525 V
50/60 Hz105 kA
Rated short-circuit making capacity Icm at 690 V
50/60 Hz53 kA
Short-circuit release non-delayed setting - max2500 A
Short-circuit release non-delayed setting - min2500 A
Short-circuit total breaktime< 10 ms
Voltage rating690 V - 690 V
Degree of protectionIn the area of the HMI devices: IP20 (basic protection type); IP20
Degree of protection (IP), front sideIP66 (with door coupling rotary handle); IP40 (with insulating surround)
Degree of protection (terminations)IP00 (terminations, phase insulator and band terminal); IP10 (tunnel terminal)
Lifespan, mechanical20000 operations
Mounting MethodFixed; DIN rail (top hat rail) mounting optional; Built-in device fixed built-in technique
Number of auxiliary contacts (change-over contacts)0
Number of auxiliary contacts (normally closed contacts)0
Number of auxiliary contacts (normally open contacts)0
Position of connection for main current circuitFront side
Switch positionsI, +, 0
Optional terminalsBox terminal. Connection on rear. Tunnel terminal
Standard terminalsScrew terminal
Terminal capacity (aluminum solid conductor/cable)10 mm² - 16 mm² (2x) direct at switch rear-side connection; 10 mm² - 16 mm² (1x) direct at switch rear-side connection; 16 mm² (1x) at tunnel terminal
Terminal capacity (aluminum stranded conductor/cable)25 mm² - 185 mm² (1x) at 1-hole tunnel terminal; 25 mm² - 35 mm² (2x) direct at switch rear-side connection; 25 mm² - 35 mm² (1x) direct at switch rear-side connection
Rated permanent current Iu160 A
With integrated under voltage releaseNo
Rated voltage690 V
Power loss24.3 W
Motor drive integratedNo
Type of electrical connection of main circuitScrew connection
Type of control elementRocker lever
With switched-off indicatorNo
Rated short-circuit breaking capacity Icu at 400 V, 50 Hz150 kA
Adjustment range undelayed short-circuit release2500 A
Suitable for DIN rail (top hat rail) mountingNo
Integrated earth fault protectionNo
Motor drive optionalYes
Device constructionBuilt-in device fixed built-in technique
DIN rail (top hat rail) mounting optionalYes
Complete device with protection unitYes
Country of originRomania

Properties

MOQ1

Cross-References

Attached Documents