| Number of Poles | 4 |
| Kilo Amps (Ka) | 100 Ka |
| Protection Limit Voltage (kV) | 1.5kV |
Siemens 5SD7444-1 TT and TN-S Inverter Contacts 4 Pole 100Ka/1.5Kv Inverter contactors are used for the control of motors where rotation direction is desired to be changed. Surge arresters are generally used in transformer entrances, secondary panels, main panels, renewable energy systems, led lighting systems, automation and communication lines and cctv, camera, fire alarm systems.
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