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Datasheet generated 2026-10-07
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Eaton INX40N3-40W-1

Eaton · Switchgear & Protection · Disconnect Switches · Ireland · eaton.com
Part Number
INX40N3-40W-1  ·  HS 8536.20
Eaton INX40N3-40W-1

Technical Specifications

Manufacturer part number (MPN)INX40N3-40W-1
EAN / GTIN4015081796106
Sales unitpcs
Eaton catalogue number184071
Depth584 mm
Height597 mm
Width521 mm
Weight69 kg
CompliancesIEC; IEC/EN 60947; RoHS conform
FunctionsVoltage release optional; Interlockable
Amperage Rating4000 A
FeaturesVersion as main switch; Motor drive optional; Version as maintenance-/service switch
FrameINX40
Number of polesThree-pole
Release systemWithout releases
Suitable forDistribution board installation; Ground mounting; Intermediate mounting
TypeAir circuit breakers/switch-disconnector Open switch-disconnector
Used withOpen switch-disconnector; Air circuit breakers/switch-disconnector
Ambient operating temperature - max70 °C
Ambient storage temperature - max70 °C
Ambient operating temperature - min-25 °C
Ambient operating temperature details-20 °C - 70 °C
Ambient storage temperature - min-40 °C
Equipment heat dissipation, current-dependent880 W
Rated operational current for specified heat dissipation (In)4000 A
Actuator typePush button
Closing delay via spring release35 ms
Direction of incoming supplyAs required
Electrical connection type of main circuitRail connection
Lifespan, electrical10000 operations (switching cycles ON/OFF, with maintenance); 5000 operations (switching capacity)
Number of standard mechanical operations per hour - max60
Overvoltage categoryIII
Pollution degree3
Power of withdrawable switch with cassette880 W
Rated conditional short-circuit current (Iq)187 kA
Rated impulse withstand voltage (Uimp)12 kV AC
Rated insulation voltage (Ui)1000 V
Rated operating voltage (Ue) - max690 V
Rated operating voltage (Ue) - min690 V
Rated operating voltage (Ue) at AC - max690 V
Rated permanent current at AC-23, 400 V4000 A
Rated short-circuit making capacity up to 440 V, 50/60 Hz187 kA
Rated short-circuit making capacity up to 690 V, 50/60 Hz166 kA
Rated short-time withstand current (Icw)85 kA
Rated short-time withstand current (t = 1 s)85 kA
Rated short-time withstand current at 50/60 Hz (t = 3 s)66 kA
Rated uninterrupted current (Iu)4000 A
Rated uninterrupted current (Iu) at 50°C4000 A
Rated uninterrupted current (Iu) at 60°C3650 A
Rated uninterrupted current (Iu) at 70°C3500 A
Utilization categoryB
Voltage rating at AC690 V AC
Actuator colorGreen
Degree of protectionIP55 with protective cover; IP31 with door seals; NEMA Other
Degree of protection (front side)IP31
Device constructionBuilt-in device slide-in technique (withdrawable)
Housing materialPlastic
Lifespan, mechanical10000 switching cycles (ON/OFF); 20000 operations (switching capacity, with maintenance)
Mounting MethodWithdrawable
Number of auxiliary contacts (change-over contacts)2
Number of auxiliary contacts (normally closed contacts)0
Number of auxiliary contacts (normally open contacts)0
Number of switches1
Position of connection for main current circuitBack side
ProtectionNone
Weight of cassette version (3-pole)29 kg
Weight of fixed withdrawable version (3-pole)66 kg
Terminal capacity (copper bar)10 mm x 100 mm (4x) for withdrawable units (black)
Country of originUnited States

Properties

MOQ1

Cross-References

Attached Documents