Properties
| Version | TERMOPTO, Solid-state relay, Rated control voltage: 24 V AC ±20% , Rated switching voltage: 5...48 V DC, Continuous current: 0.5 A, Screw connection |
| Order No. | 8951020000 |
| Type | TOS 24VAC/48VDC 0,5A |
| GTIN (EAN) | 4032248741786 |
| Qty. | 10 items |
| Depth | 55 mm |
| Depth (inches) | 2.165 inch |
| Height | 74.4 mm |
| Height (inches) | 2.929 inch |
| Width | 6.1 mm |
| Width (inches) | 0.24 inch |
| Net weight | 20.8 g |
| Storage temperature | -40 °C...80 °C |
| Operating temperature | -20 °C...60 °C |
| Humidity | 5-95% relative humidity, Tu = 40°C, without condensation |
| MTTF | 2,500 a |
| RoHS Compliance Status | Compliant with exemption |
| RoHS Exemption (if applicable/known) | 7a, 7cI |
| REACH SVHC | Lead 7439-92-1 |
| SCIP | 9e2cbc49-76d9-4611-b8ec-5b4f549a0aa9 |
| Rated control voltage | 24 V AC ±20% |
| Nominal control current | 7.4 mA AC |
| Power rating | <0.18 VA |
| Status indicator | Green LED |
| Protective circuit |
Varistor
Rectifier |
| Input frequency | 10 Hz |
| Rated switching voltage | 5...48 V DC |
| Continuous current | 0.5 A (DC1) |
| Rated switching current | 500 mA |
| Load category | DC1 |
| Max. switching voltage, DC | 48 V |
| Switch-on delay | <12 ms |
| Switch-off delay | <14 ms |
| Voltage drop at max. load | <1 V |
| Leakage current | <10 µA |
| Short-circuit-proof | No |
| Protective circuit, load side | Free-wheeling diode |
| Contact type | 1 NO contact (Transistor) |
| max. switching frequency (AC control voltage) | 10 Hz |
| Rail | TS 35 |
| Test button available | No |
| Colour | black |
| UL94 flammability rating component |
|
| Rated voltage | 300 V |
| Pollution severity | 2 |
| Surge voltage category | III |
| Clearance and creepage distances for control side - load side | > 3 mm |
| Dielectric strength for control side - load side | 1.2 kVeff / 1 min. |
| Impulse withstand voltage | 4 kV (1.2/50 µs) |
| Protection degree | IP20 |
| Certificate no. (cULus) | E223474 |
| Wire connection method | Screw connection |
| Stripping length, rated connection | 9 mm |
| Tightening torque, min. | 0.4 Nm |
| Tightening torque, max. | 0.6 Nm |
| Clamping range, rated connection | 2.5 mm² |
| Clamping range, min. | 0.5 mm² |
| Clamping range, max. | 4 mm² |
| Wire connection cross section AWG, min. | AWG 20 |
| Wire connection cross section AWG, max. | AWG 12 |
| Wire cross-section, solid, min. | 0.5 mm² |
| Wire cross-section, solid, max. | 4 mm² |
| Wire connection cross section, finely stranded, min. | 0.5 mm² |
| Wire connection cross section, finely stranded, max. | 2.5 mm² |
| Wire cross-section, finely stranded, min. (AWG) | AWG 20 |
| Wire cross-section, finely stranded, max. (AWG) | AWG 12 |
| Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, min. | 0.5 mm² |
| Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, max. | 1.5 mm² |
| Conductor cross-section, flexible, AEH (DIN 46228-1), min. | 0.5 mm² |
| Conductor cross-section, flexible, AEH (DIN 46228-1), max. | 1.5 mm² |
| Blade size | 0.6 x 3.5 mm |
| Approval/Certificate/Document of Conformity | [EU Konformitätserklärung / EU Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_35359) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_45877) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.8951020000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=8951020000) |
| WSCAD Universe | [WSCAD data](https://wscaduniverse.com/part-detail?manufacturerId=88&type=0&partNumber=8951020000&norm=0) |
| User Documentation | [Beipackzettel / Package Insert – multilingual](https://mdcop.weidmueller.com/mediadelivery/asset/900_35362) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| ETIM 6.0 | EC001504 |
| ETIM 7.0 | EC001504 |
| ETIM 8.0 | EC001504 |
| ETIM 9.0 | EC001504 |
| ECLASS 9.0 | 27-37-16-04 |
| ECLASS 9.1 | 27-37-16-04 |
| ECLASS 10.0 | 27-37-16-04 |
| ECLASS 11.0 | 27-37-16-04 |
| ECLASS 12.0 | 27-37-16-04 |
| ECLASS 13.0 | 27-37-16-04 |
| ECLASS 14.0 | 27-37-16-04 |
| Approvals |   |
| ROHS | Conform |
| UL File Number Search | [UL Website](LINK/UL_search.html) |
| Certificate no. (cULus) | E223474 |