Product Model
857-728
Selling Points
- 1The WAGO 857-728 measures 6 mm in width, making it ideal for DIN-35 rail mounting.
- 2Equipped with a solid-state relay, ensuring reliable switching with a turn-on time of ≤4.5 ms and turn-off time of ≤10 ms.
- 3Compatible with both AC and DC inputs up to 230V, providing flexibility in various applications.
- 4Delivers an output voltage range of 0-30V DC with a limiting continuous current of 3A.
- 5Features a 2-wire connection and a yellow status indicator for easy monitoring and setup.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Note | Optocouplers and solid state relays are designed for use in signal processing networks that are not supplied directly by the low-voltage power supply network. | Rated voltage | 300V |
Overvoltage category | III | Pollution degree | 2 |
Dielectric strength (control/load circuit) (AC, 1?min) | 3.51?kVrms | Insulation type (control/load circuit) | Basic insulation |
Insulation type (between adjacent devices of the same type) | Reinforced insulation (safe isolation) | Insulation type (to adjacent devices of different types) | Basic insulation |
Protection type | IP20 | Connection technology | Push-in CAGE CLAMP? |
Solid conductor | 0.34 … 2.5?mm2?/ 22 … 14?AWG | Fine-stranded conductor | 0.34 … 2.5?mm2?/ 22 … 14?AWG |
Fine-stranded conductor; with insulated ferrule | 0.34 … 1.5?mm2?/ 22 … 16?AWG | Strip length | 9 … 10?mm?/ 0.35 … 0.39?inches |
Width | 6?mm?/ 0.236?inches | Height | 94?mm?/ 3.701?inches |
Depth from upper-edge of DIN-rail | 81?mm?/ 3.189?inches | Mounting type | DIN-35 rail |
Mounting position | horizontal (standing/lying); vertical | Note (material data) | Information on material specifications can be found here |
Color | gray | Insulation material (main housing) | Polyamide (PA66) |
Material group | I | Flammability class per UL94 | V0 |
Fire load | 0.64MJ | Weight | 31g |
Ambient temperature (operation at U<sub>N</sub>) | -20 … +70 °C | Ambient temperature (storage) | -40 … +70 °C |
Processing temperature | -25 … +50?°C | Temperature range of connection cable | ≥ (Tambient+ 30 K) |
Relative humidity | 5 … 85?% (no condensation permissible) | Operating altitude (max.) | 2000m |
Standards/specifications | EN 61000-6-2 | WAGO Basic Relay | 857-162 |
Product Group | 6 (INTERFACE ELECTRONIC) | eCl@ss 10.0 | 27-26-15-03 |
eCl@ss 9.0 | 27-26-15-03 | ETIM 9.0 | EC001504 |
ETIM 8.0 | EC001504 | ECCN | NO US CLASSIFICATION |
PU (SPU) | 25?(1)?pcs | Packaging type | Box |
Country of origin | DE | GTIN | 4045454835484 |
Customs tariff number | 8536509065 | CAS-No. | 7439-92-1 |
REACH Candidate List Substance | 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol | RoHS Compliance Status | Compliant,With Exemption |
RoHS Exemption | 7(a) | SCIP notification number (Bulgaria) | a11ddb13-73a2-402f-8c62-084e7ef393df |
SCIP notification number (Czech Republic) | f2e0ce4a-21ae-46f0-98e1-8a5e410776af | Nominal input voltage U<sub>N</sub> | AC/DC?230?V |
Input voltage range (low level) | AC/DC?0 … 60?V | Input voltage range (high level) | AC/DC?200 … 253?V |
Nominal input current at U<sub>N</sub> | 4?mA | Circuit type | 2-wire connection |
Limiting continuous current | 3?A | Inrush current (resistive) max. | (AC) 15?A?/ 0.01?s |
Nominal output voltage | DC?24?V | Output voltage range | DC 0 … 30?V |
Voltage drop | ≤ 0.12?VDC | Leakage current at rated voltage | ≤?1?μA |
Switching current (min.) | 50?μA | Turn-on time | ≤?4.5?ms |
Turn-off time | ≤?10?ms | Switching frequency | ≤?20?Hz |
Status indicator | Yellow LED |
Specifications may be subject to change without notice