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Schneider Electric C40W35E400 — Miniature Circuit Breakers (MCB)

C40W35E400 ComPacT NSX 400A, 100kA 690V AC, MicroLogic 5.3 E

MPNC40W35E400
Active

Schneider Electric ComPacT NSX series, C40W35E400, NSX400HB2, 400 A rated current, 100 kA Icu at 690 V AC, MicroLogic 5.3 E electronic trip unit, 3P, IP40.

$20.00Ref. price · indicative, final on quote
Schneider Electric C40W35E400 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

C40W35E400 — Identification
ParameterValue
Product nameComPacT NSX
Product rangeComPacT
Product/component typeCircuit breaker
Device applicationDistribution
C40W35E400 — Ratings
ParameterValue
Rated current (In)400 A at 40 °C
Poles configuration3P
Breaking capacity100 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Rated service breaking capacity (Ics)100 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Rated operational voltage (Ue)690 V AC 50/60 Hz
Rated insulation voltage (Ui)800 V AC 50/60 Hz
Rated impulse withstand voltage (Uimp)8 kV
Network type (AC/DC)AC
Network frequency50/60 Hz
Utilisation categoryCategory A
Overvoltage categoryIII
C40W35E400 — Protection
ParameterValue
Trip unit technologyElectronic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to EN/IEC 60947-2
Electrical durability (cycles)12000 cycles at 440 V In/2 6000 cycles at 440 V In 6000 cycles at 690 V In/2 3000 cycles at 690 V In
Mechanical durability (cycles)15000 cycles
C40W35E400 — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
Local signalling/indicationFlashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload
C40W35E400 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-40...85 °C
IP degree of protectionIP40 conforming to IEC 60529
Pollution degree3 conforming to IEC 60664-1
Relative humidity0...95 %
C40W35E400 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C40W35E400 — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range160...400 A
Trip unit protection functionsLSI

Product details

The C40W35E400 is a Schneider Electric ComPacT NSX400HB2 molded case circuit breaker (MCCB) with a MicroLogic 5.3 E electronic trip unit, rated 400 A at 40 °C. The 'E' trip unit provides energy-metering functions — demand current and power, time-stamped event logs, power quality data — alongside the standard L (long-time overload), S (short-time short-circuit), and I (instantaneous) protection profiles. Breaking capacity is 100 kA Icu at 500 V, 525 V, and 660/690 V AC 50/60 Hz per IEC 60947-2, making it suitable for high-fault distribution panels where fault currents can exceed 50 kA.

The 140 mm width, 255 mm height, and 110 mm depth fit standard MCCB cutouts; 45 mm connection pitch matches common bus-bar spacing. IK07 impact resistance handles incidental tool contact during commissioning.

Frequently asked questions

What is the breaking capacity of C40W35E400?

100 kA Icu at 500 V, 525 V, and 660/690 V AC 50/60 Hz per IEC 60947-2.

What protection functions does the MicroLogic 5.3 E trip unit provide?

L (long-time overload), S (short-time short-circuit), and I (instantaneous) protection, plus energy metering including demand current/power, time-stamped events, and power quality data.

Where can I buy C40W35E400 and get current pricing?

This part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at the time of quotation.

MPN
C40W35E400