1. Electricity - Electronics
  2. Switch and Relay
  3. Type 1 surge arrester
  4. Siemens Low-voltage – Power distribution

Type 1 surge arrester 5SD741 -1 series
remote signalingfor electrical installationselectronic equipment

type 1 surge arrester
type 1 surge arrester
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Characteristics

Type
type 1
Applications
remote signaling, for electrical installations, electronic equipment
Other characteristics
low-voltage, DIN rail
Voltage

240 V, 415 V, 690 V

Primary current

125 A, 315 A, 400 A

Description

• Protects low-voltage systems against overvoltage and high currents triggered by direct or indirect lightning strikes • Enclosed lightning arresters suitable for installation upstream of the meter • All design variants fitted with remote signaling contact • Suitable for installation in main distribution boards, upstream or downstream of the meter The more than one million lightning strikes in Germany every year pose a considerable risk for buildings and systems that can be damaged due to the unhindered effect of lightning currents, overvoltage and power surges. In many cases however, it is not apparent that such damage has been caused by lightning currents, overvoltage and power surges. Overvoltage results in considerable damage to electrical and electronic equipment. Even brief transients in power supply lines or between electrical lines and other conductive parts (e.g. grounded metallic parts, ground) are sufficient to cause such damage. The damage patterns of destroyed lines, circuit boards or switchgear demonstrate this. Such damage can be prevented employing suitable overvoltage protection means.

Catalogs

LV11
LV11
204 Pages

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.