Sigma Surge Protection Devices are sensitive electrical protection tools that protect the devices connected to the network, the network and the installation against lightning-induced impacts (impacts penetrated into the network) and sudden impacts occurring within the facility. Sigma Surge Protection Devices are produced in accordance with TS EN 61643-11 standard with their ability to absorb overcurrents up to 100kA and overvoltages up to 1.4kV.
•1, 2, 3, and 4 pole options
•Wide range of products for all risk levels with the following technologies:
Class I (Type 1, Class B) graphite
Class II (Type 2, Class C) Gas Discharge Tube (GDT), Metal Oxide Varistor (MOV)
Class I+II (Type 1+Type 2, Class B+C) Gas Discharge Tube (GDT), Metal Oxide Varistor (MOV)
Class III (Type 3, Class D) Gas Discharge Tube (GDT), Metal Oxide Varistor (MOV)
•Short circuit breaking capacities of 3kA (Data Protection Surge Protection), 5kA, 40kA, and 100kA
•Flag indicator showing whether the device is operational or out of service
•Alarm contact shipped with the product
•Comprehensive protection with very fast and sensitive response time
