Skip to main content
Siemens 5SJ4118-8HG41 — 1-Pole MCB (DIN Rail)

Siemens 5SJ4118-8HG41 SENTRON MCB, 1P 15A, 18mm wide

MPN5SJ4118-8HG41
Active

Siemens SENTRON 5SJ4 series, miniature circuit breaker, 1-pole, 15 A AC rated, 18 mm width, 70 mm depth, DIN-rail mount, current lifecycle.

$34.29Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

5SJ4118-8HG41 — Identification
ParameterValue
Product designationMiniature circuit breakers
Brand nameSENTRON
Number of poles1
Pole design1P
Application suitabilityMechanical engineering / industry
5SJ4118-8HG41 — Electrical & Protection
ParameterValue
Tripping characteristic classD
Overvoltage category3
5SJ4118-8HG41 — Mounting & Connection
ParameterValue
Mounting positionany
Fastening methodon standard mounting rail
Combined terminal, topYes
Combined terminal, bottomYes
Width18 mm
Height110 mm
Depth70 mm
Installation depth70 mm
Modular width units1
Torque, min.-40 °C
Torque, max.75 °C
SealableYes
5SJ4118-8HG41 — Environmental
ParameterValue
IP protection classIP20, with connected conductors, IP 40 in the handle range
Pollution degree3
Halogen-freeYes
Silicone-freeYes

Product details

The Siemens 5SJ4118-8HG41 is a SENTRON 5SJ4 miniature circuit breaker, single-pole, rated 15 A at AC (cites:). The 70 mm installation depth (cites:,) fits standard distribution boards without gland-plate clearance issues.

Current derating and temperature range

Above 40 °C it derates: 14.6 A at 45 °C, 14.1 A at 50 °C, 13.6 A at 55 °C, and 13.2 A at 60 °C (cites:,). The DC rating maxes at 60 V (cites:).

Frequently asked questions

Where can I buy 5SJ4118-8HG41?

Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

What is the closest functional second-source to 5SJ4118-8HG41?

The 5SY4113-7CV is a similar SENTRON miniature circuit breaker but with a different current rating and trip characteristic. It shares the same 1-pole, 18 mm wide DIN-rail form factor, so it can drop into the same panel footprint, but verify the rating and curve match your application before substituting.

What compliance documentation does 5SJ4118-8HG41 carry?

The part is halogen-free and silicon-free (cites:,). It is designed to EN 61346-2 and IEC 81346-2 function codes (cites:,). For specific RoHS, REACH, UL, or IEC certificates, request the manufacturer's declaration at quote time.

MPN
5SJ4118-8HG41