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Wago 857-552
Short description:This Rogowski signal conditioner records RMS values from alternating currents via Rogowski coil, converting the input signal into an standard analog signal on the output side.Digital…
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Description
Short description:This Rogowski signal conditioner records RMS values from alternating currents via Rogowski coil, converting the input signal into an standard analog signal on the output side.Digital switching output (DO):The digital switching output (DO) allows signaling of a message. Two switching behaviors can be selected for the edge:GND switching: For all values below the lower threshold or above the upper threshold, the digital output switches to “GND.”Us switching: For all values below the lower threshold or above the upper threshold, the digital output (DO) matches the supply voltage level. The preset switching thresholds are 0% and 100% of the input measurement range. These thresholds can be adjusted via the PC configuration interface. The switching threshold hysteresis is 5 mA. Features:PC configuration interfaceSupports different Rogowski coil typesDigital switching output (configurable switching thresholds)Configurable output signalConfiguration via DIP switch3-way electrical isolation with 2.5 kV test voltageNo current bar interruption during installationMeasurement range overflow indication
Specification
Notes
| Safety Information | Input and output must be safely isolated from any hazardous live parts! |
|---|---|
| Note | Additional setting options via the WAGO Interface Configuration Software |
Technical data - Configuration
| Configuration options | DIP switch, WAGO Interface Configuration Software |
|---|
Technical data - Input
| Input signal type | Voltage |
|---|---|
| Input signal (voltage) | 50 Hz sinusoidal signals: 10.05 mVAC (RC1); 40.2 mVAC (RC2A); 90 mVAC (RC2B) |
| Sensitivity | RC2B: 22.5 mV/kA |
| Measurement range (current) | AC 500 A (RC1); AC 2000 A (RC2A); AC 4000 A (RC2B) |
| Frequency range | 50 Hz (Sinusoidal signals) |
| Response threshold | ≤ 1 % (of measurement range nominal value) |
| Resolution (current) | 250 mA (RC1), 1 A (RC2A), 1.5 A (RC2B) |
Technical data - Output (analog)
| Output signal type | Current, Voltage |
|---|---|
| Output signal (voltage) | 0 … 5 V, 1 … 5 V, 0 … 10 V, 2 … 10 V |
| Output signal (current) | 0 … 10 mA, 2 … 10 mA, 0 … 20 mA, 4 … 20 mA |
| Load impedance (voltage output) | ≥ 1 kΩ |
| Load impedance (current output) | ≤ 600 Ω |
Technical data - Output (digital)
| Switching voltage (DO) max. | Supply voltage applied |
|---|---|
| Continuous current (DO) max. | 100 mA (no internal restriction) |
| Number of switching thresholds (DO) | 1 (adjustable) |
Technical data - Signal processing
| Limit frequency | 2 kHz |
|---|---|
| Software filter (adjustable) | Moving average value (filter level: 30) |
| Step response (typ.) | 60 ms |
Technical data - Measurement error
| Transmission error (max.) | ≤ 1 % (of the full scale value) |
|---|---|
| Temperature coefficient | ≤ 0.01 %/K |
Technical data - Power supply
| Power supply type | 24 VDC (SELV) |
|---|---|
| Nominal supply voltage U<sub>S</sub> | 24 VDC |
| Supply voltage range | ±30 % |
| Current consumption at nominal supply voltage | ≤ 40 mA (+ IDO) |
Safety and protection
| Rated voltage | 300 V |
|---|---|
| Protection type | IP20 |
Safety and protection - Test voltage
| Test voltage (input/output/supply) | 2.5 kVAC; 50 Hz; 1 min |
|---|
Safety and protection - Insulation coordination
| Overvoltage category | II |
|---|---|
| Pollution degree | 2 |
| Insulation type (input/analog output/supply) | Functional insulation |
| Insulation type (adjacent devices) | Reinforced insulation (safe isolation) |
Connection data
| 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 |
Physical data
| 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 |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Insulation material (main housing) | Polyamide (PA66) |
|---|---|
| Flammability class per UL94 | V0 |
| Fire load | 0.418 MJ |
| Weight | 35.1 g |
Environmental requirements
| Ambient temperature (operation) | -25 … +70 °C (Individual arrangement; -25 … +60 °C (block arrangement)) |
|---|---|
| Ambient temperature (storage) | -40 … +85 °C |
| Processing temperature | -25 … +50 °C |
| Temperature range of connection cable | ≥ (Tambient + 25 K) |
| Relative humidity | 5 … 95 % (no condensation permissible) |
| Operating altitude (max.) | 2000 m |
Standards and specifications
| Conformity marking | CE |
|---|---|
| EMC immunity to interference | EN 61000-6-2 |
| EMC emission of interference | EN 61000-6-4 |
| Standards/specifications | EN 61010-2-201 |
Commercial data
| Product Group | 6 (INTERFACE ELECTRONIC) |
|---|---|
| PU (SPU) | 1 pcs |
| Packaging type | bag |
| Country of origin | DE |
| GTIN | 4050821476917 |
| Customs tariff number | 85437090300 |
Product Classification
| UNSPSC | 41113630 |
|---|---|
| eCl@ss 10.0 | 27-21-01-23 |
| eCl@ss 9.0 | 27-21-01-23 |
| ETIM 9.0 | EC002475 |
| ETIM 10.0 | EC002475 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| CAS-No. | 1303-86-2, 1317-36-8, 7439-92-1, 75980-60-8, 79-94-7, 80-05-7 |
|---|---|
| REACH Candidate List Substance | 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol, 4,4'-isopropylidenediphenol, Diboron trioxide, Lead, Lead monoxide, Phosphine oxide, diphenyl(2,4,6-trimethylbenzoyl)- |
| RoHS Compliance Status | Compliant,With Exemption |
| RoHS Exemption | 6(c), 7(a), 7(c)-I, 7(c)-II |
| SCIP notification number (Austria) | 1f195258-d879-4341-9432-55132a5988a4 |
| SCIP notification number (Belgium) | 7814c94f-657c-4f03-83f0-8d7593e6728c |
| SCIP notification number (Bulgaria) | 018c696b-7940-4720-a5c3-00dd668a954d |
| SCIP notification number (Czech Republic) | 004a50ca-f1d7-4851-9876-6e3e26a6990e |
| SCIP notification number (Denmark) | a59197af-a118-401f-819c-6449ecf2a26d |
| SCIP notification number (Finland) | 6287e118-0731-40fa-98e2-c8475af11b0f |
| SCIP notification number (France) | 467a5cc3-0b72-4f42-ace2-e6489a6326ca |
| SCIP notification number (Germany) | a302d4fa-40b9-4b69-b303-d88a5794f8c0 |
| SCIP notification number (Hungary) | 136cc465-5e70-4b47-92a5-43b7d1ccd0a3 |
| SCIP notification number (Italy) | f54581b5-8ed8-406f-9e56-d34282f11849 |
| SCIP notification number (Netherlands) | 916f0ff9-e787-458a-afa0-12ec5dba73b4 |
| SCIP notification number (Poland) | 862d360a-3d4e-4510-9319-09ac80339012 |
| SCIP notification number (Romania) | 26692719-0992-4210-bc52-9edf89ce1c3d |
| SCIP notification number (Sweden) | 5a508da9-fb93-492b-aa4a-14900ec6a865 |
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