Product Model
855-951/250-000

Key Features
- 1Accurate Power Measurement: Measures current with a 250A/1A ratio for precise power data.
- 2Easy Installation: Simply insert the tap into the jumper slot of a 95 mm² (4/0 AWG) through terminal block.
- 3Integrated Current Transformer: Includes a built-in 250A/1A current transformer for seamless integration.
- 4Fuse-Protected Voltage Path: Ensures downstream measurement devices are protected from voltage surges.
- 5High Accuracy Class 0.5: Complies with accuracy class 0.5 for exact measurement results.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Note | Suitable for 2-conductor through terminal blocks for DIN-rail mounting (285-195; 285-194) | Overvoltage category | III |
| Pollution degree | 2 | Protection type | IP20 |
| Test voltage | AC 3?kV;?50?Hz;?1?min | Highest voltage for equipment U<sub>m</sub> | AC 720?Vrms |
| Feedthrough for measurement conductor | ? ≤ 16 mm | Width | 25?mm?/ 0.984?inches |
| Height | 73?mm?/ 2.874?inches | Depth | 58?mm?/ 2.283?inches |
| Mounting type | via 2-conductor high-current through terminal block's jumper slot | Housing material | PA 66 |
| Fire load | 0.116MJ | Weight | 98g |
| Ambient temperature (operation) | -25 … +70 °C | Ambient temperature (storage) | -25 … +70 °C |
| Relative humidity | 5 … 85?% (without condensation) | Operating altitude (max.) | 2000m |
| Conformity marking | CE | Standards/specifications | EN 61869-2 |
| eCl@ss 10.0 | 27-21-09-02 | eCl@ss 9.0 | 27-21-09-02 |
| ETIM 9.0 | EC002048 | ETIM 8.0 | EC002048 |
| ECCN | NO US CLASSIFICATION | PU (SPU) | 1?pcs |
| Packaging type | Box | Country of origin | NL |
| Customs tariff number | 85043180888 | RoHS Compliance Status | Compliant,No Exemption |
| Measured variable | Voltage | Rated continuous thermal current I<sub>cth</sub> | 250?A |
| Rated short-time thermal current I<sub>th</sub> | 15 kA / 1 s | Rated surge current I<sub>dyn</sub> | 37.5?kA |
| Rated frequency | 50 … 60?Hz | Secondary rated current | 1A |
| Rated power S<sub>r</sub> | 0.2VA | Fuse (voltage path) | 2 A; 450 V; F; 70 kA; 5 x 25 mm (WAGO 855-8020) |
| Rated voltage | AC 400?V | Accuracy class | 0.5 |
| Connection type 1 | Current output | Connection technology | Push-in CAGE CLAMP? |
| WAGO connector | WAGO 250 Series | Strip length | 8.5 … 9.5 mm / 0.33 … 0.37 inches |
| Solid conductor | 0.2 … 1.5 mm2 / 24 … 16 AWG | Fine-stranded conductor | 0.2 … 1.5 mm2 / 24 … 16 AWG |
| Connection type 2 | Voltage output | Connection technology 2 | Push-in CAGE CLAMP? |
| WAGO connector 2 | WAGO 2624 Series | Strip length 2 | 10 … 12 mm / 0.39 … 0.47 inches |
| Solid conductor 2 | 0.2 … 6 mm2 / 24 … 10 AWG | Fine-stranded conductor 2 | 0.2 … 6 mm2 / 24 … 10 AWG |
Specifications may be subject to change without notice
