Siemens Betagard Miniature Circuit Breaker (MCB), 2-Pole
– 5SP4280-7RC
The Siemens 5SP4280-7RC is a Betagard SENTRON
series miniature circuit breaker (MCB) designed for reliable protection of low-voltage
electrical distribution systems against overload and short-circuit
faults. It is widely used in industrial panels, commercial buildings,
infrastructure projects, and OEM electrical systems where dependable
circuit protection and high breaking capacity are required.
This MCB comes in a 2-pole configuration and is
suitable for single-phase or phase-neutral protection circuits. It
features a C-curve tripping characteristic, making it ideal for circuits
with moderate inrush currents such as lighting, socket outlets, and small motor
loads. With a rated current of 80A and a breaking capacity of up to
10kA at 400V AC, it provides strong protection in demanding electrical
environments.
Key Features
|
Parameter |
Specification |
|
Product Model |
5SP4280-7RC |
|
Brand |
Siemens |
|
Series |
Betagard / SENTRON 5SP4 |
|
Type |
Miniature Circuit Breaker (MCB) |
|
Number of Poles |
2 Pole |
|
Rated Current |
80 A |
|
Tripping Characteristic |
C Curve |
|
Rated Voltage |
400 V AC |
|
Breaking Capacity |
10 kA |
|
Frequency |
50/60 Hz |
|
Mounting Type |
DIN Rail |
|
Protection Type |
Thermal magnetic |
|
Standards |
IEC 60898 |
|
Mechanical Life |
~10,000 operating cycles |
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