Dimensions are 72 mm wide (4 modular units), 76 mm deep, and 90 mm high, with IP20 protection (with connected conductors). The breaker is halogen-free, silicon-free, and sealable, suited for environments requiring low outgassing.
Siemens 5SY4440-5 SENTRON MCB, 4P 40A Type A, 10kA
MPN5SY4440-5
Active
Siemens SENTRON 5SY4440-5, 4P 40A miniature circuit breaker, type A trip characteristic, 10 kA breaking capacity (EN 60898), 15 kA (IEC 60947-2).
$341.71Ref. 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 | III |
| Parameter | Value |
|---|---|
| Width | 72 mm |
| Height | 90 mm |
| Depth | 76 mm |
Product details
Frequently asked questions
What is the depth and width of the 5SY4440-5?
Depth is 76 mm, width is 72 mm (4 modular units).
MPN
5SY4440-5