Area: Sentron
Series: 5SY
Number of Poles: 1
Rated Current: 4 A
Tripping Characteristic: Type C
AC Rated Voltage: 230 V, 400 V
Switching Capacity: 6 kA
Length: 89.8 mm
Width: 17.6 mm
Depth: 76.4 mm

The Sentron Series 5SY miniature overload switch from Siemens offers the highest quality and reliability. With the excellent technical features of the devices, you are always on the safe side. Additionally, you benefit from innovative mounting options that allow for quick and easy installation. The miniature overload switches can be combined as needed with a variety of additional components, such as control current switches, fault signal contacts, shunt releases, undervoltage releases, and remote control mechanisms, or with RCD units for protection of persons and against fire.

Features and Benefits:

• Housing: IP20 device
• Automatic shutdown
• 1-, 2-, 3-, and 4-pole
• DIN rail mounting
• Suitable for use in industry and in functional as well as residential construction
• Supports quick and easy removal from the assembly

Standards:
IEC 60898 – Relates to low-voltage circuit breakers for use in households and similar installations. Traditionally known in the UK as miniature circuit breakers.

Question: What are the differences in the tripping characteristics B, C, and D?
Answer:

• Characteristic B: Tripping: 3 to 5 times the rated current. Applications: Protection of generators, persons, very long cables.
• Characteristic C: Tripping: 5 to 10 times the rated current. Applications: Protection of circuits and general applications.
• Characteristic D: Tripping: 10 to 14 times the rated current. Applications: Protection of high-voltage circuits, welders, transformers, and motors.