celduc® r e l a i S/ACC/ESO02000/B/22/09/08 s PRELIMINARY Page 1/5 UK VOLTAGE PROTECTION FOR DC SOLID-STATE RELAYS ESO02000 u Helps protecting solid-state relays against voltage transient due to the inductive effect of lines and loads. u Clamping function (D1) to limit voltage transients across the power element of the DC solid state relay without built-in voltage clamp (SCM) u Fly wheel diode (D2), with fast response, low on-state voltage drop and connection polarity free, mounted on the metal base plate to be cooled by a heatsink for high switching frequency applications (PWM) Non-repetitive peak 75VDC voltage u Decoupling capacitor (C1), connection polarity free and non polarized Max operating (polyester) equipped with a discharging resistor 80A permanent current Clamping voltage function for DC relays (D1) u Led indicating voltage presence across the load Yes Operating voltage range Current range DC SSR clamping voltage function Isolations Connections Dimensions (LxHxD) Weight 0-130VDC 0-80A Yes 4kV Screw terminals 45 x 58.5 x 30 80g Fig. 1 HIGH SIDE WIRING DIAGRAM (Load connected to “-“) LOW SIDE WIRING DIAGRAM (Load connected to “+”) Fig. 2 Red wires must be as short as possible Fig. 3 Proud to serve you Data given at Tambient=25°C and subject to modification without previous notice Red wires must be as short as possible INTERNAL DIAGRAM celduc ® r e l a i s celduc® r e l a i S/ACC/ESO02000/B/22/09/08 s PRELIMINARY Page 2/5 UK GENERAL CHARACTERISTICS POWER CIRCUIT CHARACTERISTIC LABEL VALUE Uemax 40VDC Uep 75V Max voltage rise dUe/dt 125V/µs Max nominal current Ie max 80A Uimp 4kV DC mains max voltage Non repetitive peak voltage Power output/case insulation Isolation resistance Rio 1GΩ Isolation capacitance Cio <8pF Storage ambient temperature Tstg -40°C -> +100°C Tamb -40°C -> +90°C Tc 100°C Operating ambient temperature Max. case temperature INFO. Ue=Uep LINE CIRCUIT CHARACTERISTICS (C1 & Rd) LINE CIRCUIT CHARACTERISTIC Decoupling capacitor LABEL VALUE C1 4.4µF ±20% Rd 1MΩ / 0.5 W τ 1s Polyester Technology Discharging resistor Discharging time constant INFO. LOAD CIRCUIT CHARACTERISTICS (D2) CHARACTERISTIC LABEL VALUE INFO. Voltage drop during fly wheel UD2 1.2V @Ie=80A see fig. 6 Instantaneous power dissipation PD2 ID2av LOAD CIRCUIT Max nominal average current (VF) (IFav) Max repetitive peak overload current ID2peak Max non repetitive peak overload current ID2peak Max leakage current Recovering time Junction/case thermal resistance Housing thermal resistance vertically mounted Housing thermal time constant Maximum junction temperature (IFRM) (IFSM) -ID2 0.96 + 0.003 x Ie 80A 500A Tpulse=25µs 1000A Tpulse=25µs = current in the ouput LED See fig. 7 trr 190ns ID2=1A,di/dt=50A/µs, Tc=25°C Rthjc 0.35K/W Rthra 10K/W @∆Tra=75°C Tthra 10 minutes @∆Tra=60°C Tjmax 125°C (IR) celduc® r e l a i S/ACC/ESO02000/B/22/09/08 s PRELIMINARY Page 3/5 UK CHARACTERISTICS OF THE BUILT-IN VOLTAGE PROTECTION (D1) LEAKAGE CURRENT (Ielk) VS DC OUTPUT SSR SWITCH VOLTAGE (Ut) Fig. 4 OVERVOLTAGE DURATION AND FREQUENCY ABSOLUTE LIMITS Fig. 5 Uto < Utp Ielk / Ie 1 0,8 t max = 0,6 0,4 P ( protection ) = 2W max (Uto − Ut max) × Ie × t ⇒ ≤2 T 0,2 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Ut (V) U t max ( = U e max) 2.5 (Uto − Ut max) × Ie Utp Ielk : Leakage current of the relay Ie : User load nominal current Utp : Relay max. non repetitive peak voltage Utmax : Max. nominal voltage of the relay Uto : Possible overvoltage above Utmax Utn = Ue : User DC power supply voltage t : Overvoltage duration T: Time between 2 overvoltage OUTPUT CHARACTERISTIC CURVES VOLTAGE DROP VS CURRENT (DIODE D2 DURING FLY WHEEL) Fig. 6 Fig. 7 OUTPUT LED (D3) CURRENT VS LOAD VOLTAGE 30 3,5 VD2 (V) 3 ID2 (mA) Tj = 150°C 25 Tj = 25°C 2,5 20 2 15 1,5 10 1 5 0,5 VD2 (V) I (A) 0 0 0 Fig. 8 100 200 300 400 500 600 700 800 THERMAL IMPEDANCE (DIODE D2) Not available 900 1000 0 Fig. 9 10 20 30 40 50 60 70 OVERLOAD PERMITTED DURING ON-STATE (DIODE D2 DURING FLY WHEEL) Not available celduc® r e l a i S/ACC/ESO02000/B/22/09/08 s PRELIMINARY Page 4/5 UK OUTPUT CHARACTERISTIC CURVES (cont.) Fig. 10 POWER DISSIPATION AND AVERAGE CURRENT VS AMBIENT TEMPERATURE Average current Ie (ARMS) Power dissipation Pd (W) Please refer to the installation notice for precautions about mounting the device on a heatsink. 80 0.75K/W 0.55K/W 96 0.3K/W 70 82 60 68 50 55 40 43 30 31 20 20 10 10 10K/W 4K/W 2.2K/W 2.1K/W 1.2K/W 1.1K/W 0 0 0 10 20 10K/W = No Heatsink / 1LD12020 2.1K/W = WF210000 0.75K/W = WF070000 30 40 50 60 4K/W = 150x150x3mm aluminium sheet 1.2K/W = WF121000 0.55K/W = WF050000 70 80 90 100 110 Ambient temperature (°C) 2.2K/W = WF262100 / WF151200 1.1K/W = WF131100 0.3K/W = WF031100 GENERAL INFORMATION GENERAL INFORMATION Mounting Screwdriver for connections tightening torque for connections Insulated crimp terminals (round tabs, eyelet type) 2 screws (M4x12mm ; tightening = 1.2N.m) POZIDRIV2 2 N.m M5 Display Green LED (load supplied) Housing UL94V0 Weight See mounting sheet 80g STANDARDS STANDARDS Standards IEC60947-1 Protection level IP20 Protection against direct touch Yes CE marking Yes UL, cULUS and VDE approvals Pending celduc® r e l a i S/ACC/ESO02000/B/22/09/08 s PRELIMINARY Page 5/5 UK DIMENSIONS ET ACCESSORIES Fig. 11 DIMENSIONS (mm) ACCESSORIES FLAT TAB CONNECTION ADAPTORS 1L587000 Please consult our website for other accessory references (Heatsinks, mounting adaptors, thermal grease…) celduc® r e l a i s www.celduc.com 5, rue Ampère B.P. 30004 42290 SORBIERS - France Phone : 33 (0) 4 77 53 90 21 Fax : 33 (0) 4 77 53 85 51 Email : [email protected]