Thermal Overload Relays: LR1-F are manufactured and exported by the Controls & Switchgear Group. All plants of the Controls & Switchgear Group are approved and accredited to ISO 9001 [2000] & 9002. Thermal Overload Relays LR1-F are 3 Pole, manual reset type, providing protection against overload, single phasing & unbalance voltages. They are primarily direct mounting on compatible F Range contactors. The Thermal Overload Relays LR1-F are available in relay setting range from 66 to 1000A, CT operated, in 11 options of relay range to fully protect the electric drives. They fully meet the requirements of IEC 947-4-1 & IS 13947-4-1. Thermal Overload Relays: LR1-F is ISO 9001:2000 certified and are designed to meet or exceed IEC, UL, CSA, VDE, BS & BIS standards
