S/ACC/ESO01000/C/23/07/09 Page 1/4 UK VOLTAGE PROTECTION FOR DC SOLID-STATE RELAYS ESO01000 Helps protecting solid-state relays against voltage transient due to the inductive effect of lines and loads. 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) Decoupling capacitor (C1), connection polarity free and non polarized (polyester) Non-repetitive peak equipped with a discharging resistor voltage SSR voltage clamping function (D1) not included therefore more adapted to SOM0 DC SSR range (SSR with built-in voltage protection D1) 200VDC Max operating permanent current Clamping voltage function for DC relays (D1) 80A No Operating voltage range Current range DC SSR clamping voltage function Isolations Connections Dimensions (LxHxD) Weight 0-130VDC 0-80A Non 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 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 INTERNAL DIAGRAM ® celduc r e l a i s celduc® r e l a i S/ACC/ESO01000/C/23/07/09 s Page 2/4 UK GENERAL CHARACTERISTICS CHARACTERISTIC LABEL VALUE Uemax 130VDC Uep 200V Max voltage rise dUe/dt 125V/µs Max nominal current Ie max 80A Power output/case insulation Uimp 4kV POWER CIRCUIT DC mains max voltage Non repetitive peak voltage INFO. Ue=Uep Isolation resistance Rio 1G 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 LINE CIRCUIT CHARACTERISTICS (C1 & Rd) LINE CIRCUIT CHARACTERISTIC LABEL VALUE C1 4.4µF ±20% Discharging resistor Rd 1M0.5 W Discharging time constant 2s Decoupling capacitor Technology INFO. Polyester LOAD CIRCUIT CHARACTERISTICS (D2) CHARACTERISTIC LABEL VALUE INFO. Voltage drop during fly wheel UD2 1.2V @Ie=80A see fig. 4 Instantaneous power dissipation PD2 ID2av 0.96 + 0.003 x Ie LOAD CIRCUIT Max nominal average current (VF) 80A (IFav) Max repetitive peak overload current ID2peak 500A Tpulse=25µs Max non repetitive peak overload current ID2peak 1000A Tpulse=25µs Max leakage current Recovering time Junction/case thermal resistance Housing thermal resistance vertically mounted Housing thermal time constant Maximum junction temperature (IFRM) (IFSM) -ID2 (IR) 0.1mA @ Tj=25°C 17mA @ Tj=Tjmax @Uep @Tjmax ID2=1A,di/dt=50A/µs, Tc=25°C trr 190ns Rthjc 0.35K/W Rthra 10K/W @Tra=75°C Tthra 10 minutes @Tra=60°C Tjmax 125°C celduc® r e l a i S/ACC/ESO01000/C/23/07/09 s Page 3/4 UK OUTPUT CHARACTERISTIC CURVES VOLTAGE DROP VS CURRENT (DIODE D2 DURING FLY WHEEL) Fig. 4 VD2 (V) 3,5 Tj = 150°C 3 Tj = 25°C 2,5 2 1,5 1 0,5 0 0 100 200 300 400 THERMAL IMPEDANCE (DIODE D2) Fig. 5 500 600 700 800 900 I (A) OVERLOAD PERMITTED DURING ON-STATE (DIODE D2 DURING FLY WHEEL) Fig. 6 Not available Fig. 7 1000 Not available 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 96 0.75K/W 0.55K/W 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 10K/W = No Heatsink / 1LD12020 2.1K/W = WF210000 0.75K/W = WF070000 20 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 celduc® r e l a i S/ACC/ESO01000/C/23/07/09 s Page 4/4 UK GENERAL INFORMATION GENERAL INFORMATION Mounting 2 screws (M4x12mm ; tightening = 1.2N.m) Screwdriver for connections See mounting sheet POZIDRIV2 tightening torque for connections 2 N.m Insulated crimp terminals (round tabs, eyelet type) M5 Display Green LED (load supplied) Housing UL94V0 Weight 80g STANDARDS STANDARDS Standards IEC60947-1 Protection level IP20 Protection against direct touch Yes CE marking Yes UL, cULUS and VDE approvals Pending DIMENSIONS AND ACCESSORIES Fig. 8 DIMENSIONS (mm) ACCESSORIES FLAT TAB CONNECTION ADAPTORS 1L587000 Please consult our website for other accessory references (Heatsinks, mounting adaptors, thermal grease…)