Description
Detail
The Siemens 5SY supplementary protectors are thermal/magnetic overcurrent protected devices that are intended for general industrial use.
- · Thermal magnetic protection
- · High interrupting rating/rated switching capacity of up to 14,000A
- · For general industrial use
Specification
Rated short-circuit breaking capacity Icu IEC 60947-2 at 400 V : 15 kA
Rated insulation voltage Ui : 440 V
Additional equipment possible : Yes
Concurrently switching N-neutral : No
Suitable for flush-mounted installation : No
Connectable conductor cross section solid-core : 0.75 – 35.0 mm²
Ambient temperature during operating : -25 – 55 °C
Frequency : 50 – 50 Hz
Connectable conductor cross section multi-wired : 0.75 – 35.0 mm²
Built-in depth : 70 mm
Rated voltage : 400 V
Rated impulse withstand voltage Uimp : 4 kV
Degree of protection (IP) : IP20
Rated short-circuit breaking capacity Icu IEC 60947-2 at 230 V : 15 kA
Rated short-circuit breaking capacity Icn EN 60898 at 230 V : 6 kA
Rated short-circuit breaking capacity Icn EN 60898 at 400 V : 6 kA
Rated current : 20 A
Current limiting class : 3
Number of poles (total) : 1
Width in number of modular spacings : 1
Over voltage category : 3
Pollution degree : 3
Voltage type : AC
Release characteristic : C