Siemens SENTRON 5SY4 MCB, 4P, 40A, Type A, 400V AC, 60V DC, 15 kA Breaking Capacity

View all MCBs

Subtotal (1 unit)*

£293.32

(exc. VAT)

£351.98

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 22 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£293.32

*price indicative

RS Stock No.:
610-501
Mfr. Part No.:
5SY4440-5
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Number of Poles

4

Current Rating

40A

Tripping Characteristics

Type A

Rated AC Voltage

400V

Rated DC Voltage

60V

Breaking Capacity at Maximum Voltage Rating

15 kA

Range

SENTRON

Series

5SY4

COO (Country of Origin):
DE
The Siemens Miniature Circuit Breaker delivers unparalleled protection and reliability in electrical systems. Designed to effortlessly handle up to 10kA of breaking capacity, it ensures robust safety for both industrial and infrastructural applications. This versatile 4-pole device is expertly engineered for AC voltages up to 400 V, making it an ideal solution for a variety of uses. With its high mechanical service life and tripping characteristics class A, it provides peace of mind and operational efficiency. This product is built to meet the rigorous standards of IEC, EN, and UL, evidencing its commitment to quality and excellence.

Offers touch protection for enhanced safety
Designed for combined terminal connections ensuring flexibility
Suitable for use in diverse operational environments
Halogen-free materials contribute to fire safety
Features a compact design that fits standard DIN rail installations
Complies with multiple industry standards for reliability
Provides efficient thermal management with minimal power loss

Related links