Siemens SENTRON 5SY8 Miniature Circuit Breaker, 4-Pole, 25 A, Type D, 400 V ac AC, 72 V DC, 30 kA Breaking Capacity

View all MCBs

Subtotal (1 unit)*

HK$1,733.40

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 23 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +HK$1,733.40

*price indicative

RS Stock No.:
610-357
Mfr. Part No.:
5SY8425-8BB08
Manufacturer:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Number of Poles

4

Product Type

Miniature Circuit Breaker

Current Rating

25 A

Tripping Characteristics

Type D

Rated AC Voltage

400 V ac

Rated DC Voltage

72 V

Breaking Capacity

30kA

Mount Type

DIN Rail

Range

SENTRON

Series

5SY8

Terminal Type

Screw

IP Rating

IP20

Standards/Approvals

IEC 60947-2

Depth

76mm

Height

90mm

Width

72 mm

Tripping Mechanism

Magnetic

COO (Country of Origin):
DE
The Siemens Miniature Circuit Breaker is designed for superior performance in various applications, operating at a voltage of 400 V. With its 4-pole configuration and magnetic tripping mechanism, it delivers reliable protection for electrical circuits. Engineered for demanding environments, this circuit breaker not only offers robust overvoltage and short-circuit protection but also features a high breaking capacity, making it ideal for both infrastructure and industrial settings. Its compact design ensures compatibility with standard DIN rail installations, while its versatility allows for operation in a range of ambient temperatures. The attention to detail in its design assures safety, efficiency, and longevity in usage, establishing it as a must-have component for modern electrical systems.

Equipped with a touch protection feature for enhanced safety

Composed of halogen-free materials ensuring fire safety

Designed to accommodate supplementary devices for expansion

Offers an impressive mechanical service life capable of enduring 10000 operating cycles

Versatile installation options with a mounting position that can be adjusted as required

Robust vibration resistance suitable for varying operational conditions

Compatible with a wide range of conductor cross-section sizes for flexible connectivity

Minimal power loss ensures efficiency during operation

Related links