Siemens SENTRON 5SY4 Miniature Circuit Breaker, 2-Pole, 40 A, Type A, 230 V ac AC, 60 V DC, 10 kA Breaking Capacity

Subtotal (1 unit)*

HK$1,206.70

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$1,206.70

*price indicative

RS Stock No.:
610-585
Mfr. Part No.:
5SY4540-5
Manufacturer:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Number of Poles

2

Product Type

Miniature Circuit Breaker

Current Rating

40 A

Tripping Characteristics

Type A

Rated AC Voltage

230 V ac

Rated DC Voltage

60 V

Breaking Capacity

10kA

Mount Type

DIN Rail

Range

SENTRON

Series

5SY4

Terminal Type

Screw

IP Rating

IP20

Width

36 mm

Depth

76mm

Standards/Approvals

IEC/EN 60947-2/UL1077, IEC/EN 60898-1

Height

90mm

COO (Country of Origin):
DE
The Siemens Miniature Circuit Breaker is designed for reliable protection in domestic and industrial applications. This robust device ensures safety by effectively interrupting electrical faults with a breaking capacity of up to 10 kA, making it suitable for diverse environments. Equipped with a 1P+N pole design and tripping characteristic class A, it accommodates various operational needs, allowing smooth performance at a rated current of 40 A. The compact design, measuring just 90 mm in height and 76 mm in depth, ensures seamless integration into existing systems while maintaining high standards of reliability. Furthermore, with a mechanical service life of 10,000 cycles, this breaker promises durability alongside noteworthy operational efficiency.

Designed to meet the highest standards for safety and reliability

Compact size allows for easy installation in tight spaces

Halogen-free and silicon-free components ensure environmental safety

Offers excellent vibration resistance for demanding applications

IP20 rating guarantees protection against dust and foreign bodies

Compliant with IEC / EN standards ensuring quality assurance

Versatile mounting options provide flexibility during installation

Supports supplementary device installation for enhanced functionality

Related links