Sepam - HV/MV Protection and control units (ENG) - Trinet

General characteristicsCharacteristicsphase current inputs for 1 A or 5 A CTconnection of 1 or 5 A CTswire cross-sectioninput impedancepower consumptionby 4 mm eye lugs, to CCA 660 or CCA 650 connector(connector with incorporated CTs) disconnectable on line6 mm 2 max.< 0.001 Ω< 0.001 VA for 1 A< 0.025 VA for 5 A3 In80 Inup to 24 Insteady state thermal withstand1-second overloadoperating rangeCCA 660 or CCA 650 dielectric insulation 2 kV rms 1 min. (1) - IEC 60255-5phase current inputs for CSP sensorconnection of CSP sensorsto BNC inlets by 5.5 m CCA 601 connection cablesteady state thermal withstand3 In1-second overload80 Inoperating rangeup to 24 Ininsulationinput not insulated from earthinput for earth current measurement with CSH 120 or CSH 200 core balance CTconnectionby 0.93 to 2.5 mm 2 wire to CCA 606 screw terminal padinput impedance2 A rating: 10 Ω30 A rating: 0.7 Ωpower consumption< 0.01 VAsteady state thermal withstand 10 x rating (2)1-second overload 20 kA (2)operating rangeup to 10 x ratinginsulationinput not insulated from earthchoice of rating2 A or 30 A, according to the terminalused on the CCA 606 screw terminal padinput for earth current measurement with 1 A or 5 A CT (CT + CSH 30)connectionby 0.6 to 2.5 mm 2 wire, to CCA 606 screw terminal padinput impedance< 4 Ωpower consumption< 0.1 VAsteady state thermal withstand 10 x core balance CT rating (4)1-second overload 500 x core balance CT rating (4)operating range 10 x core balance CT rating (4)insulation input not insulated from earth (3)input for earth current measurement with core balance CT other than CSH (core balance CT + ACE 990)connectioninput impedancepower consumptionby 0.6 to 2.5 mm 2 wire, to CCA 606 screw terminal padon terminals A2-A4: < 10 Ωon terminals A1-A4: < 4 Ωon terminals A3-A4: < 0.7 Ωon terminals A2-A4: < 0.1 VAon terminals A1-A4: < 0.4 VAon terminals A3-A4: between 2 and 10 VA (5)steady state thermal withstand 10 x core balance CT rating (4)1-second overload 20 kA on core balance CT primary (4)operating range 10 x core balance CT rating (4)insulation input not insulated from earth (3)(1)this refers to insulation provided by the CCA 660 or CCA 650 CT connector.The Sepam input on the sub D connector is not insulated from earth.(2)current in primary circuit of CSH core balance CT, expressed in amps.(3)this refers to the Sepam 2000 input. The CSH 30 primary circuit is insulated from earth.(4)expressed as CT primary current (CT or core balance CT).(5)the consumption is given for an ACE 990 interface primary wiring resistance of less than 200 mΩ.Refer to Installation: use and connection of the ACE 990 interface.3/2 Installation - Use - General characteristics - Testing