Current signal conditioner; Current input signal; Current and voltage output signal; Digital output; Configuration via software; Supply voltage: 24 VDC; 6 mm module width
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Quick facts
| Availability | Confirmed on request |
| Category | Signal Conditioners and Isolation Amplifiers |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can 857-551 be shipped?
857-551 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 857-551 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 857-551 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 857-551, subject to availability and destination.
<p><b>Short description:</b></p><p>WAGO's current signal conditioner measures AC/DC currents up to 5 A, converting the input signal to a standard analog signal at the output.</p><p><b>Features:</b></p><ul><li>Two isolated measurement inputs for 1 and 5 A AC/DC<br/>(when mounted individually: 6 A AC/DC)</li><li>RMS measurement or arithmetic mean value</li><li>A digital signal output reacts to configured measurement range limits (on/off switching delay and threshold value switch function can be configured with up to two threshold values).</li><li>Switchable filter function</li><li>3-way electrical isolation with 2.5 kV test voltage</li></ul>
Specifications
Notes
| Note | Only the WAGO Interface Configuration Software can be used to set the measurement range of 0 to 6 A., 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 | Current |
| Input signal (current) | 0 … 5 A AC/DC (IN 1; block arrangement), 0 … 6 A AC/DC (IN 1; individual arrangement) |
| Frequency range | 16 … 200 Hz |
| Input resistance (current input) | 47 mΩ (IN 1), 10 mΩ (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) |
Technical data - Output (analog)
| Output signal type | Current, Voltage |
| Output signal (voltage) | 0 … 5 V, 1 … 5 V, 0 … 10 V, 2 … 10 V (invertible, also bipolar) |
| Output signal (current) | 0 … 10 mA, 2 … 10 mA, 0 … 20 mA, 4 … 20 mA (invertable, also bipolar) |
| Load impedance (voltage output) | ≥ 2 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 or 2 (adjustable) |
| Configurable rise/fall delay time (DO) | 0 … 60 s (via software) |
Technical data - Signal processing
| Measurement method | True RMS measurement; Arithmetic mean value |
| Software filter (adjustable) | Moving average value (filter level: 30) |
| Step response (typ.) | 60 ms (with software filter 3) |
| Step response (max.) | 250 ms |
Technical data - Measurement error
| 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.) |
Technical data - Power supply
| Nominal supply voltage U<sub>S</sub> | 24 VDC (SELV) |
| Supply voltage range | ±30 % |
| Current consumption at nominal supply voltage | ≤ 50 mA (+ IDO) |
Safety and protection
| Rated voltage | 300 V |
| 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! The digital output (DO) operates at the supply potential. |
| Protection type | IP20 |
Safety and protection - Test voltage
| Test voltage (input/analog output/supply/service interface) | 3 kVAC; 50 Hz; 1 min |
Safety and protection - Insulation coordination
| 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 must not become hazardous when active and the measurement is performed as a low-side measurement! |
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 | 0.013 MJ |
| Weight | 38.2 g |
Environmental requirements
| 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.) | 2000 m |
Standards and specifications
| 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 |
Commercial data
| PU (SPU) | 1 pcs |
| Packaging type | bag |
| Country of origin | DE |
| GTIN | 4055143967129 |
| Customs tariff number | 85437090300 |
Product Classification
| UNSPSC | 41113630 |
| ETIM 9.0 | EC002475 |
| ETIM 10.0 | EC002475 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| RoHS Compliance Status | Compliant,With Exemption |
| RoHS Exemption | 6(c), 7(a), 7(c)-I, 7(c)-II |
