Product Model
857-551

Selling Points
- 1Precision AC/DC Current Measurement: Measures currents up to 5A with high accuracy.
- 2Versatile Analog Output: Offers multiple output ranges including 4-20mA, 0-10VDC, and more.
- 3Easy Configuration: Configure via software or DIP switches for flexible setup.
- 4Compact Design: 6mm module width for DIN-35 rail mounting.
- 5Robust Performance: Operates in ambient temperatures from -40°C to +70°C.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Note | Only the WAGO Interface Configuration Software can be used to set the measurement range of 0 to 6 A. | Rated voltage | 300V |
Measurement category per EN 61010-2-030 | CAT II (input 300 VAC) | Note on insulation parameters | Danger:Configuration via the service interface must only be performed with a voltage-free measurement input! |
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 | 0.013MJ |
Weight | 38.2g | Ambient temperature (operation) | -40 … +70 °C (at nominal current) |
Ambient temperature (storage) | -40 … +85 °C | Temperature range of connection cable | ≥ (Tambient+ 34 K) |
Relative humidity | 5 … 95?% (no condensation permissible) | Operating altitude (max.) | 2000m |
Conformity marking | CE | EMC immunity to interference | EN 61000-6-2, EN 61326-1 |
EMC emission of interference | EN 61000-6-3; EN 61326-1 | Standards/specifications | EN 61010-1 |
ETIM 9.0 | EC002475 | ETIM 8.0 | EC002475 |
ECCN | NO US CLASSIFICATION | PU (SPU) | 1?pcs |
Packaging type | bag | Country of origin | DE |
GTIN | 4055143967129 | Customs tariff number | 8543704500 |
RoHS Compliance Status | Compliant,With Exemption | RoHS Exemption | 6(c) |
Configuration options | DIP switch | Input signal type | Current |
Input signal (A) | AC/DC?0 … 5?A (IN 1) | Frequency range | 16 … 200?Hz |
Input resistance (current input) | 47?m? (IN 1);?10?m? (IN 2) | Input current (max.) | 15 A (IN 1; 5 s); 10 A (IN 3; 5 s) |
Response threshold | 10 mA (IN 1); 2 mA (IN 3) | Resolution (current) | 1 mA (IN 1); 0.5 mA (IN 3) |
Output signal type | Current | Output signal (V) | 0 … 5?V |
Output signal (A) | 0 … 10?mA | Load impedance (voltage output) | ≥?2?kΩ |
Load impedance (current output) | ≤?600?Ω | Switching voltage (DO) max. | Supply voltage applied |
Continuous current (DO) max. | 100?mA (no internal restriction) | Number of switching thresholds (DO) | 1 or 2 (adjustable) |
Configurable rise/fall delay time (DO) | 0 … 60?s (via software) | Measurement method | True RMS measurement; Arithmetic mean value |
Software filter (adjustable) | Moving average value (filter level: 30) | Step response (typ.) | 60?ms (for software filter 3) |
Step response (max.) | 250?ms | Transmission error (max.) | ≤ 0.5 % (of the full scale value) |
Temperature coefficient | 1 A input: ≤ 0.01 %/K (typ.); ≤ 0.02 %/K (max.);5 A input: ≤ 0.02 %/K (typ.); ≤ 0.04 %/K (max.) | Nominal supply voltage U<sub>S</sub> | DC?24?V (SELV) |
Supply voltage range | ±30?% | Current consumption at nominal supply voltage | ≤?50?mA?(+ IDO) |
Test voltage (input/analog output/supply/service interface) | 3 kVAC; 50 Hz; 1 min | Overvoltage category | II |
Pollution degree | 2 | Insulation type (input/analog output/supply/service interface) | Double insulation (impedance and basic insulation)Requirement: The GND 1 input is dangerous when active and the measurement is conducted as a low-side measurement! |
Specifications may be subject to change without notice