Skip to main content
Log in
Schneider Electric C4042D250 — Miniature Circuit Breakers (MCB)

Schneider C4042D250 MicroLogic 2.3 trip unit, 250 A, 4-pole (discontinued)

MPNC4042D250
Active

Schneider C4042D250 Compact Nsx, New Generation — now discontinued, supplied from remaining surplus and broker stock.

$360.83 – $582.14Ref. price · indicative, final on quote
Schneider Electric C4042D250 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

C4042D250 — Identification
ParameterValue
Product rangeComPacT
Product range (series)ComPacT NSX400...630
Product/component typeTrip unit
Device applicationDistribution
C4042D250 — Ratings
ParameterValue
Poles configuration4P
Rated operational voltage (Ue)690 V AC 50/60 Hz
Network type (AC/DC)AC
Network frequency50/60 Hz
C4042D250 — Protection
ParameterValue
Trip unit technologyElectronic
Earth-leakage protectionWithout
C4042D250 — Mechanical
ParameterValue
Local signalling/indicationFlashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload
C4042D250 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-50...85 °C
IP degree of protectionIP40 conforming to IEC 60529
Pollution degree3 conforming to IEC 60947-1
C4042D250 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C4042D250 — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range70...250 A
Trip unit protection functionsLSoI

Product details

Overview

The C4042D250 is a MicroLogic 2.3 electronic trip unit for the Schneider ComPacT NSX400 and NSX630 circuit breaker frames, rated 250 A at 40 °C with 4 poles (4d) and LSoI protection — long-time, short-time, and instantaneous. It is a fixed-mount, Class II device compliant with EN/IEC 60947-2.

Schneider discontinued the C4042D250 on 2024-12-01. Send an RFQ to confirm quantity and lead time for line-down or last-time-buy needs.

MPN
C4042D250