Germany Siemens / Siemens 5SY4120-6

5SY4120-6 Introduction: Siemens MCB Miniature Circuit Breaker, 1 Pole, 20 A, Type B Trip Characteristics

Germany Siemens/Siemens 5SY4120-6 picture display

Model features introduced

Stratum400MCB
Siemens Professional Series 5SY4 Series Miniature Circuit Breaker. These circuit breakers have a Type C feature that provides short-circuit response and protection at 400V supply voltages. The disconnection capacity at short-circuit current is 10kA. The 5SY4 series circuit breakers are available in 1 or 3 pole and can be used in industrial applications. All models are highly reliable and of excellent quality.

Terminal capacity: 35mm square (solid and stranded - upper and lower terminals); 25mm square (finely stranded with terminal sleeve - upper and lower terminals) IP rating: IP20 (DIN40050 compliant); IP40 (when installed in a switchboard)
Standard Standards: EN60898; DINVDE0641； Part 11; IEC60898

Standard EN60898; DINVDE0641

art11;IEC60898

SiemensRCD、RCBO、RCCB和MCB
The Type B feature provides an instantaneous short-circuit response level of 3-5 times the normal rated current, making it suitable for circuits with moderate inrush currents, such as incandescent lamps, heated loads, and most residential/small building protection applications. The Type C feature provides a short-circuit response of 5-10 times the normal rated current, making it suitable for higher inrush current circuits, such as motor control and fluorescent lamp installations in factories where noise-induced tripping may occur if a faster type is used. The D-type feature is designed for high inrush current loads. Magnetic trip point - 10 to 20 times rated. Thermal trigger point - 1.13 to 1.45 rated protector. The AC type feature ensures disconnection when a sinusoidal, direct current is applied quickly or slowly increased.

Model parameters are introduced

attribute	numeric value
range	Sentron
series	5SY4
Number of poles	1
Current rating	20A
Trip characteristics	Type B
Rated AC voltage	400V
Breaking capacity	10kA
length	89.8mm
width	17.6mm
depth	76.4mm

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Germany Siemens / Siemens 5SY4120-6

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