Product Model
857-420

Selling Points
- 1Safely transmits analog signals with 3-way electrical isolation up to 2.5 kV.
- 2Offers calibrated measurement range switching and configurable current and voltage outputs.
- 3Provides power to SMART transmitters, ensuring continuous operation.
- 4Measuring 3.70 in H x 0.23 in W x 3.85 in D, it fits seamlessly on DIN-35 rail mounts.
- 5Operates from -25°C to 70°C, suitable for various industrial environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Protection type | IP20 | Connection technology | Push-in CAGE CLAMP? |
Solid conductor | 0.08 … 2.5?mm2?/ 28 … 14?AWG | Fine-stranded conductor | 0.34 … 2.5?mm2?/ 22 … 14?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 | 97.8?mm?/ 3.85?inches |
Mounting type | DIN-35 rail | Insulation material (main housing) | Polyamide (PA66) |
Flammability class per UL94 | V0 | Fire load | 0.543MJ |
Weight | 37g | Ambient temperature (operation) | -25 … +70 °C |
Ambient temperature (storage) | -40 … +85 °C | Relative humidity | 5 … 95?% (no condensation permissible) |
Operating altitude (max.) | 2000m | Conformity marking | CE |
Standards/specifications | DNV | Product Group | 6 (INTERFACE ELECTRONIC) |
eCl@ss 10.0 | 27-21-01-20 | eCl@ss 9.0 | 27-21-01-20 |
ETIM 9.0 | EC002653 | ETIM 8.0 | EC002653 |
ECCN | NO US CLASSIFICATION | PU (SPU) | 1?pcs |
Packaging type | bag | Country of origin | DE |
GTIN | 4045454471330 | Customs tariff number | 8543704500 |
CAS-No. | 1303-86-2 | REACH Candidate List Substance | Diboron trioxide |
RoHS Compliance Status | Compliant,With Exemption | RoHS Exemption | 6(c) |
SCIP notification number (Austria) | 47593164-c4bd-4ccc-a4b1-02255ba1b769 | SCIP notification number (Belgium) | 45855355-0f1b-4c01-b8f3-b149d72a420f |
SCIP notification number (Bulgaria) | d43a9b05-a8b7-4ef7-80dd-e2efca7e95c1 | SCIP notification number (Czech Republic) | 425b7eca-3492-436c-95af-5799c6c41572 |
SCIP notification number (Denmark) | 8de4bab4-8162-41ba-8861-d43ecc914994 | SCIP notification number (Finland) | 8f7a5e13-6852-41de-863e-78c9a289130f |
SCIP notification number (France) | bda94e16-8a03-4402-aa8e-d55ee9091c70 | SCIP notification number (Germany) | b822bbec-8555-4354-a97a-7f2f11cfcfda |
SCIP notification number (Hungary) | 41bf7e6b-f8ec-412f-9d54-28407803d56e | SCIP notification number (Italy) | b9660c43-5cf3-4c7e-8d86-9df3263a64f3 |
SCIP notification number (Netherlands) | 0458d684-8c64-4839-8eb2-d3294e4930b7 | SCIP notification number (Poland) | 658b5e51-6300-4938-a3f6-cc1d085898b9 |
SCIP notification number (Romania) | 66fd79cb-9d5b-4eb6-8763-01185619c07b | SCIP notification number (Sweden) | ac690304-f0b1-4d15-8d80-e050a9c76b65 |
Configuration options | DIP switch | Input signal type | Current |
Input signal (A) | 0 … 20?mA | Input resistance (current input) | ≤?50?Ω |
Sensor supply | Uv= 18 V; 30 mA | Input current (max.) | 50?mA |
Output signal type | Current | Output signal (V) | 0 … 5?V |
Output signal (A) | 0 … 20?mA | Load impedance (voltage output) | ≥?2?kΩ |
Load impedance (current output) | ≤?600?Ω | Offset | ≤?20?μA |
Residual ripple | ≤?10?mV (rms) | Limit frequency | 100?Hz |
Step response (typ.) | 3.5?ms | Transmission error (typ.) | ≤ 0.1 % of upper-range value |
Temperature coefficient | ≤ 0.01 %/K | Power supply type | 24?VDC |
Nominal supply voltage U<sub>S</sub> | DC?24?V | Supply voltage range | ±30?% |
Current consumption at nominal supply voltage | ≤?45?mA | Test voltage (input/output/supply) | AC 2.5?kV;?50?Hz;?1?min |
Specifications may be subject to change without notice