SIT865390

S/TRI/SIT865390/A/13/01/2003 celpac page 1 / 3 GB SIT865390 Three Phase Solid State Relays 24-520 VAC - 3 x 50A (AC-51 : 3 x 22 ARMS) Solid State Relay for all type of loads with integrated heatsink (AC-53 : 3 x 12 ARMS) DIN rail or panel mounting 2 Back to back thyristors with TMS technology 2 2 50A Thyristors size with I t >1500A s (*) 8,5-30 VDCor 10-30VAC control voltage with input status LED RC+ Overvoltage protection by integrated VDR IP20 Designed in conformity with UL, EN60950 and IEC60947-4-3 2 2 2 (*) : on request : model with I t 5000A s up to 20000A s Equivalent circuit : L1/R Adaptateur / Adapter U LED L2/S A1 Adaptateur = / Adapter A2 V L3/T Adaptateur / Adapter W Caractristiques de commande ( 20C) / Control characteristics (at 20C) AC-DC Paramtre / Parameter Symbol Min Nom Max Unit fig. 1 :Caractristique d entre / Tension de commande / Control voltage : DC Uc 8,5 24 30 VDC Control characteristic Tension de commande / Control voltage : AC Uc 10 24 30 VAC 70 Courant de commande / Control current ( Uc ) Ic 15 50 65 mA 60 Tension de relachement/Release voltage Uc off 4 V 50 Rsistance interne / Input internal resistor fig.1 Rc 410 40 Tension inverse / Reverse voltage Urv polarity free V 30 Caractristiques d entre-sortie ( 20C) / Input-output characteristics (at 20C) 20 Isolement entre-sortie/Input-output isolation 500m Ui 4000 VRMS 10 Isolement sortie-semelle/Output-case isolation 500m Ui 3300 VRMS 00 00 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Tension assigne isolement/ Rated impulse voltage Uimp 4000 V Uc(V) General characteristics Parameter Conditions Symbol Typ. Unit Poids/Weight 1000 g Storage temperature range -40 / +100 C Operating temperature range -40 / +80 C Proud to serve you celduc All technical caracteristics are subject to change without previous notice. Caractristiques sujettes modifications sans pravis. r e l a i s Ic(mA)S/TRI/SIT865390/A/13/01/2003 page 2 / 3 GB Output characteristics (at 20C) Parameter Conditions Symbol Value Unit Load voltage Ue 400 V rms Minimum Operating range Uemin 24 V rms Maximum Operating range ( 480Vrms + 10% ) Uemax 520 (*) V rms Peak voltage Up 1200 (*) V (*) Clamping voltage by VDR Uclamp 850 V Synchronizing level Usync 12 V Latching voltage Ie nom Ua 10 V AC-51 no permanent nominal current ( see Fig. 2 ) Ie AC-51 3x50 A rms AC-51 nominal current ( see Fig. 2 ) Ie AC-51 3x22 A rms AC-53 nominal current Ie AC-53 3x12 A rms Non repetitive overload current tp=10ms (Fig. 3) Itsm 550 (typ 720) A On state voltage drop Ie nom Vd 1,4 V Off state leakage current Ue, 50Hz Ilk 1 mA Minimum load current Ie min 5 mA Turn on time Uc nom DC ,f=50Hz ton max 30 ms Turn off time Uc nom DC ,f=50Hz toff max 30 ms Operating frequency range f 10-400 Hz Off state dv/dt dv/dt 500 V/ s Maximum di/dt non repetitive di/dt 50 A/ s I2t (<10ms) I2t 1500 (typ 2600) A2s Conducted immunity level in conformity with IEC 1000-4-4 (burst) IEC 1000-4-4 (burst) 2kV criterion B Conducted immunity level in conformity with IEC 1000-4-5(schocks) IEC 1000-4-5(schocks) 2kV criterion A 50 thermal curves : 45 curve 1 : 40 with ventilation in the heatsink ( > 1m/s) 35 30 curve 2 : working in normal conditions with a small 25 ventilation in the cabinet 20 15 curve 3 : according with IEC60947-4-2 10 in a closed cabinet without any ventilation. 5 00 00 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Tambient (C) Fig.3 : Overload current curves Surge current Itsm (A peak) = f(t) for models with Itsm =550A 600 1 -No repetitive Itsm is given without voltage No repetitive Itsm (Apeak)=f(t) without voltage reapplied 400 reapplied for the determination of the protection. 2 -Repetitive Itsm is given for inrush current with 200 Repetitive Itsm (Apeak)=f(t) initial Tj = 70C. The repetition of the surge cur- with voltage reapplied for initial Tj =70C rent decrease the lifetime SSR s . 00 0,01 0,1 t (s) 11 10 Cautions : * Semiconductor relays don t provide any galvanic insulation between the load and the mains. Proud to serve you celduc All technical caracteristics are subject to change without previous notice. Caractristiques sujettes modifications sans pravis. r e l a i s Itsm (Apeak) I(A)