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Siemens 5SY4405-7 — Miniature Circuit Breakers (MCB)

Siemens 5SY4405-7 SENTRON MCB, 0.5A 4P C-curve

MPN5SY4405-7
Active

Siemens SENTRON 5SY4405-7, miniature circuit breaker, 4-pole, C-curve, 0.5 A, 400 V AC, interrupting 35 kA IEC 60947-2, 10 kA EN 60898, 15 kA DC, width 72 mm.

$338.66Ref. price · indicative, final on quote
Siemens 5SY4405-7 datasheet (PDF)
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

5SY4405-7 — Ratings
ParameterValue
Overvoltage categoryIII
5SY4405-7 — Mechanical
ParameterValue
Width72 mm
Height90 mm
Depth76 mm

Product details

Miniature Circuit Breaker for 400 V AC Control Circuits

Mountable in any position, with an IP20 rating when conductors are connected.

Sourcing: this part is available via RFQ for delivery against your BOM line. Confirm physical fit by comparing the 76 mm depth and 72 mm width against your panel layout.

MPN
5SY4405-7