Earth Leakage Sensors (Toroids)

Information

• A wide range of Toroids are in stock which are all compatible 

• • Various inner diameter available ranging from 50mm to 300mm

• Current rating: up to 3200 A (depending on sensor)

• There are three different toroid types available:         – Closed Toroid – widest range         – Split (Open) Toroid – install without disconnecting existing cable         – Rectangular sensors – for large bus bars & high currents 

• Sensitivities ranges from 30 mA to 30 A (with time delay range from 0 to 4.5 s)

• Applications with frequencies up to 400 Hz

• Operation guaranteed in less than 40 ms 

• Immunisation with respect to false zero-sequence currents