SGTA4654 Celduc

S/GRA/SGTA4654/C/21/06/11 Page 1/5 UK THREE PHASE ANGLE SGTA4654 CONTROLLER Adapted to three phase star (without neutral) or delta connected loads (other wiring configurations on demand) Very low initial value regarding competition Small housing. Large mains frequency and voltage range. Fully opto-isolated full cycle three phase, phase angle controller (balanced currents, less harmonics, ) Proportional Analog Voltage Control Input Lot of possible options on demand (ramps, additional settings). 4-20mA 300->510VAC 50A AC-51 Mains Max AC-51 In / Out / Case Type of Dimensions Mains Voltage Control Input Weight Frequency Current Insulation connections (WxHxD) 100x73.5x39.5 50A 300 to 510VAC 40 to 65Hz 4-20mADC 4kV Round tabs 350g (with heatsink) (mm) Fig. 1 INTERNAL DIAGRAM Fig. 2 TYPICAL APPLICATION Fig. 3 PHASE ANGLE CONTROL DESCRIPTION LED status Power output status Remarks One or several mains OFF OFF phase missing Blinking OFF Standby mode Slow Blinking ON Phase angle control Fast ON ON Full power Proud to serve you celduc Data given at Tambient=25C and subject to modification without previous notice r e l a i s celduc S/GRA/SGTA4654/C/21/06/11 r e l a i s Page 2/5 UK INPUT CHARACTERISTICS CHARACTERISTIC LABEL VALUE INFO. Label Control Terminals +B1 & -A2/B2 Control current range Ic 4-20mADC Release and control threshold Icsmin 4mA Full power control threshold Icsmax 19.7mADC Max. current (direct & reverse) Icmax 32mADC Input impedance Re 250 Label Supply Terminals +A1 & -A2/B2 Operating voltage range Us Filtered 8-32VDC See fig. 6 Max. consumption Is 15mA OUTPUT CHARACTERISTICS CHARACTERISTIC LABEL VALUE INFO. Mains voltage range Ue 300 -> 510VAC Non-repetitive peak voltage Uep 1200V Overvoltage protection VDR Built-in 510V size 14 varistors Ithmax With heatsink Maximum nominal current 50A (See fig. 8) (AC51) Non-repetitive peak overload ITSM 550A See fig. 8 current (1 cycle of 10ms) Melting limit for choosing the It 1500As 10ms protective fuses Minimum load current Iemin 100mA Maximum leakage current Ielk 7mA 400VAC 50Hz Load power factor Pf 0.8->1 Mains frequency range F 40->65Hz Max. off-state voltage rise dv/dt 500V/s Protection against fast voltage Built-in RC network transients Max. current rise di/dt 50A/s On-state voltage drop Ud 0.9 x Vto x Ith + rt x Ith On-state resistance rt 125C 12m On-state voltage Vto 0.9V 125C Maximum junction temperature Tjmax 125C Total = 3 Junction/case thermal Rthjc 0.45K/W power resistance per power element elements Built-in heatsink thermal Rthra 4K/W Tra=60C resistance vertically mounted Heatsink thermal time constant Tthra 15min Tra=60C Inputs/case/power outputs Uimp 4kV insulation voltages Isolation resistance Rio 1G Isolation capacitance Cio <8pF Storage ambient temperature Tstg -40->+100C Operating ambient temperature Tamb -40->+90C See fig. 7 Max. case temperature Tc 100C SUPPLY ANALOG CONTROL POWER CIRCUIT INPUT INPUT