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Siemens SENTRON 5SY6 MCB, 3P+N, 40A Curve C, 400V AC, 72V DC | INDSLT

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SIEMENS
Low Voltage Distribution
Miniature Circuit Breaker
5SY6640-8CV

5SY6640-8CV

SIEMENSMiniature Circuit Breaker

5SY6640-8CV

Reliable 3P+N miniature circuit breaker with 40A current rating, suitable for 400V AC and 72V DC applications.

Product Model5SY6640-8CV

Product ID100282

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh breaking capacity of 6 kA for safe operation.
2
FeatureCompact design with dimensions of 72mm x 76mm x 90mm.
3
FeatureEasy DIN rail mounting for quick installation.
4
FeatureSuitable for both AC and DC voltage applications.
5
FeatureHigh-quality construction for extended product life.