Siemens SENTRON 5SY8 Miniature Circuit Breaker, 4-Pole, 40 A, Type D, 400 V ac AC, 72 V DC, 25 kA Breaking Capacity

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HK$2,116.60

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RS Stock No.:
610-359
Mfr. Part No.:
5SY8440-8BB08
Manufacturer:
Siemens
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Brand

Siemens

Number of Poles

4

Product Type

Miniature Circuit Breaker

Current Rating

40 A

Tripping Characteristics

Type D

Rated AC Voltage

400 V ac

Rated DC Voltage

72 V

Breaking Capacity

25kA

Mount Type

DIN Rail

Range

SENTRON

Series

5SY8

Terminal Type

Screw

IP Rating

IP20

Width

72 mm

Depth

76mm

Standards/Approvals

UL 1077, IEC 60947-2, EN 60204-1, CSA C22.2 No.235

Height

90mm

Tripping Mechanism

Magnetic

COO (Country of Origin):
DE
The Siemens Miniature Circuit Breaker is an essential component designed for reliable protection in electrical systems. Suitable for infrastructure and industrial applications, this device stands out with its only magnetic tripping operation, ensuring swift disconnection in case of fault conditions. With a compact design that integrates effortlessly into electrical panels, it features a robust build quality that guarantees a long mechanical service life. Furthermore, it operates efficiently at a voltage of up to 400 V and is engineered to handle high short-circuit currents of up to 25 kA. Its advanced technical specifications combine safety, functionality, and ease of installation to meet diverse electrical needs. Designed to resist environmental challenges, it ensures continued performance in demanding conditions, making it a trustworthy choice for professionals in the field.

Compact size facilitates easy integration into tight spaces

Designed for a mechanical service life of up to 10000 cycles

Rated for use in overvoltage category III applications

Environmentally friendly construction featuring halogen-free and silicon-free materials

Compatible with both solid and stranded conductors enhancing installation versatility

Offers touch protection for enhanced user safety

Tested for vibration resistance ensuring durability in challenging environments

Allows installation of supplementary devices enhancing functionality

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