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Siemens 5SJ4311-8HG42 — 3-Pole MCB (DIN Rail)

Siemens 5SJ4311-8HG42 MCB, 3P D-Curve, 10kA

MPN5SJ4311-8HG42
Active

Siemens SENTRON 5SJ4311-8HG42, 3-pole D-curve miniature circuit breaker, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 400 V AC.

$137.16 – $354.46Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5SJ4311-8HG42 — Identification
ParameterValue
Brand nameSENTRON
Number of poles3
Pole configuration3P
Suitability for operationMechanical engineering / industry
5SJ4311-8HG42 — Protection
ParameterValue
Tripping characteristic (curve)D
Breaking capacity per EN 6089810 kA
Breaking capacity per IEC 60947-215 kA
Overvoltage category3
IP protection classIP20, with connected conductors, IP 40 in the handle range
Pollution degree3
5SJ4311-8HG42 — Electrical
ParameterValue
Supply frequency range50/60 Hz
Power loss per pole at rated current (AC, hot)2.5 W
Mechanical service life (operating cycles, typ.)10 000
Neutral conductor switchingNo
5SJ4311-8HG42 — Mechanical
ParameterValue
Modular width units3
Mounting positionany
Width54 mm
Height121 mm
Depth70 mm
Installation depth70 mm
Terminal tightening torque, max.75 °C
Terminal tightening torque, min.-40 °C
Combined terminal, topYes
Combined terminal, bottomYes
Fastening methodon standard mounting rail
SealableYes
Accepts supplementary devicesYes
5SJ4311-8HG42 — Environmental
ParameterValue
Halogen-freeYes
Silicone-freeYes
Vibration resistance (IEC 60068-2-6)±1 mm at 5 to 25 Hz; 50 m/s² at 25 to 150 Hz

Product details

Breaker type and core ratings

The 5SJ4311-8HG42: Rated AC voltage 400 V, DC 60 V. Operating frequency 50 Hz. Halogen-free and silicon-free construction. Sealable for lockout/tagout compliance.

Installation depth 70 mm. Mounting position any. Ambient range -40 to +75 °C with 95% humidity tolerance. Vibration rated at 50 m/s² 25–150 Hz and 60 m/s² at 35 Hz for 4 seconds.

MPN
5SJ4311-8HG42