Siemens SENTRON 5SJ4303-8HG42 miniature circuit breaker, 3-pole, D-characteristic, 3 A, DIN-rail mount.
Siemens 5SJ4303-8HG42 SENTRON MCB, 3-Pole D 3A
MPN5SJ4303-8HG42
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Siemens SENTRON 5SJ4303-8HG42 miniature circuit breaker, 3-pole, D-characteristic, 3 A, DIN-rail mount.
$137.16 – $349.84Ref. 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
| Parameter | Value |
|---|---|
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Width | 54 mm |
| Height | 121 mm |
| Depth | 70 mm |
Product details
Frequently asked questions
Will the 5SJ4303-8HG42 drop into a panel specified for the 5SJ4360-7HG41?
No — the 5SJ4360-7HG41 is a 60 A device (different current rating) and is not a functional second-source for a 3 A requirement.
What are the key mechanical dimensions of the 5SJ4303-8HG42?
Depth 70 mm, width 54 mm, height 121 mm.
MPN
5SJ4303-8HG42