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Siemens 5SY4504-8CC11 — Miniature Circuit Breakers (MCB)

Siemens 5SY4504-8CC11 MCB, D-curve 4 A, 230 V, 10 kA, railwa

MPN5SY4504-8CC11

Siemens 5SY4504-8CC11, miniature circuit breaker, 1+N-pole, D-curve, 4 A, 230 V, 10 kA, for railway applications.

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

Product details

Integration note

Snap-on mounting to standard DIN rail. The 1+N-pole format (switched phase plus switched neutral) is common in single-phase railway sub-distribution where both poles need overcurrent protection. The D-curve and 4 A rating pair with loads that have a high start-up surge but low running current — think control transformers, contactor coils, or signal lamps in a locomotive or carriage panel.

Frequently asked questions

What is the 5SY4504-8CC11 used for?

It is a D-curve miniature circuit breaker rated 4 A at 230 V with 10 kA breaking capacity, designed for railway applications — typically protecting inductive loads in rail vehicle or trackside panels.

Where can I buy the 5SY4504-8CC11?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

MPN
5SY4504-8CC11