Siemens two-pole arrester SPD 2P 40kA class 2 5SD74220
SIE 5SD74220
4001869340296
Siemens two-pole SPD overvoltage arrester, requirement class C, with the following characteristics:
- Operating voltage 230 Vac
- Impulsive discharge current 40kA
- 2 poles
- 2 modules
- Type 2
Siemens two-pole arrester SPD 2P 40kA class 2 5SD74220
€91.20
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The surge arrester is an instrument that can be mounted inside the electrical panel, therefore upstream of the home system. Its use allows you to put in protection the electrical system on which it is installed.
The surge arrester will protect the entire system from surges, surges and peaks of electricity that may come from the operator of the power line, or from atmospheric phenomena such as lightning. These power anomalies can cause serious damage to the devices connected to the outlets.
A power surge can cause the hardware of a PC to break, or short circuit the boards of smartphones, tablets and home appliances. In the event that the flow of energy suddenly increases dramatically, human life can even be at risk due to electrocution.
To prevent this from happening, it is therefore advisable to fit a surge protector.
Surge arresters are divided into three classes:
In class 1 we find devices to be used in areas where adverse weather phenomena such as thunderstorms and lightning usually insist (for example in the mountains). In this case the arrester is mounted in the electrical panel and can withstand several surges without being damaged. The discharge takes place in 350 microseconds, so that the excess energy does not reach the system.
In class 2 there are surge arresters that protect the system from surges and spikes that may be caused by maintenance work on the line by the operator.
In class 3, on the other hand, we find those devices that offer even greater protection: in this case, the surge arrester is installed directly at the electrical outlets present in the home.
Features:
- Siemens series
- Voltage of use 230 Vac
- Impulsive discharge current 40kA
- 2 poles
- 2 modules
- Type 2
- Type of fixing DIN rail NS 35
- Housing material PBT
- Pollution degree 2
- Degree of protection with connection of all terminals IP20
- Width 25.4 mm
- Height 90 mm
- Depth 71,5 mm
- Net weight 200 gr
- Electrical connection screw terminal
- Stripping length 16 mm
- Tightening torque 4,3 ... 4,7
- Installation altitude / for altitude above sea level / max. 2,000 m
- Impact acceleration 30 gn
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Data sheet
- Modules:
- 2
- Poles:
- 2P
- Maximum current:
- 40KA
- Version:
- 2
- Model:
- AC
- Circuit Protections:
- Surge protectors