Combined with a measuring toroid and a circuit breaker, they can be used on low-voltage TT, IT and TNS networks to perform the following functions: Protection against direct contact Additional protection against indirect contacts Limitation of leakage current Protection against. Combined with a measuring toroid and a circuit breaker, they can be used on low-voltage TT, IT and TNS networks to perform the following functions: Protection against direct contact Additional protection against indirect contacts Limitation of leakage current Protection against. ELRv20-30 SFERE Differential Relays are type A earth leakage current limiting relays. Associated with a measure earth leakage transformer and circuit breaker they allow to perform on low voltage networks of the type TT, IT, TNS the following functions: Their reinforced immunity. ANALOG CONVERTER WITH SAFETY RELAY SFERE 1 DC input: mA or V Supply for 2-wire transmitter 1 analog output 4-20mA active or passive 1 relay output with positive safety (combination of the contacts of 2 relays) SIL3 safety output 1 logic input for initialisation of the alarm and the SIL failure 1. Motor Relay WDH-31-533 controller 16 types motor protection WDH-31-533 intelligent motor control and management system is a brand new design motor controller for the open-door type and drawer type Motor Control Center (MCC Cabinet). The motor controller combines the protection and control function. Schneider Electric support forum about Protection Relays, Substation Controllers & RTUs, Arc Flash Devices & Systems in Medium Voltage and Low Voltage. Dear Forum members, Welcome in Protection & Control.
