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Siemens 5SJ4101-8HG42 — 1-Pole MCB (DIN Rail)

Siemens 5SJ4101-8HG42 SENTRON MCB, 1P, D-curve, 10kA

MPN5SJ4101-8HG42
Active

Siemens SENTRON 5SJ4 miniature circuit breaker, 1-pole, D tripping characteristic, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 400 V AC / 60 V DC, 18 mm wide, IP20/IP40.

$38.10 – $101.73Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

5SJ4101-8HG42 — Identification
ParameterValue
Product designationMiniature circuit breakers
Brand nameSENTRON
Number of poles1
Pole design1P
Application suitabilityMechanical engineering / industry
5SJ4101-8HG42 — Electrical & Protection
ParameterValue
Tripping characteristic classD
Overvoltage category3
5SJ4101-8HG42 — Mounting & Connection
ParameterValue
Mounting positionany
Fastening methodon standard mounting rail
Combined terminal, topYes
Combined terminal, bottomYes
Width18 mm
Height121 mm
Depth70 mm
Installation depth70 mm
Modular width units1
Torque, min.-40 °C
Torque, max.75 °C
SealableYes
5SJ4101-8HG42 — Environmental
ParameterValue
IP protection classIP20, with connected conductors, IP 40 in the handle range
Pollution degree3
Halogen-freeYes
Silicone-freeYes

Product details

It's rated for 10 kA breaking capacity per EN 60898 and 15 kA per IEC 60947-2 at 400 V AC, and 60 V DC.

At 18 mm wide (1 modular unit), it fits tightly in a crowded panel. The combined tunnel terminals top and bottom accept Cu conductors; tighten to 3.5 Nm.

Standards & approvals

The 5SJ4101-8HG42 carries breaking capacity ratings under both EN 60898 (10 kA) and IEC 60947-2 (15 kA). The insulation voltage (Ui) is 440 V AC. It's halogen-free and silicon-free, and sealable for tamper-proofing. Vibration resistance is specified at 50 m/s² over 25–150 Hz and 60 m/s² at 35 Hz for 4 seconds.

Frequently asked questions

What are the key ratings for this MCB?

Single-pole, D characteristic, 10 kA per EN 60898 and 15 kA per IEC 60947-2 at 400 V AC / 60 V DC. Width is 18 mm, depth 70 mm, height 121 mm.

What compliance documentation is available for this part?

The part is halogen-free and silicon-free. It meets EN 60898 and IEC 60947-2 standards. Specific RoHS/REACH/UL declarations are typically available from the manufacturer upon request.

MPN
5SJ4101-8HG42