Wago : 857-400
Insulation strengthener
857-400
Insulation amplifier; Current and voltage input signal; Current and voltage output signal; Zero/span adjustment; Configuration via DIP switch; Supply voltage: 24 VDC; 6 mm module width; 2.50mm² Short description: The adjustable isolation amplifier converts, amplifies, filters and electrically isolates analog standard signals. Features: Zero/span adjustment over the entire measuring range The change between measuring ranges is calibrated Can change max. operating frequency Safe, 3-way isolation with 2.5 kV test voltage according to EN 61140
Insulation amplifier; Current and voltage input signal; Current and voltage output signal; Zero/span adjustment; Configuration via DIP switch; Supply voltage: 24 VDC; 6 mm module width; 2.50mm²
Short description:
The adjustable isolation amplifier converts, amplifies, filters and electrically isolates analog standard signals.
Features:
- Zero/span adjustment over the entire measuring range
- The change between measuring ranges is calibrated
- Can change max. operating frequency
- Safe, 3-way isolation with 2.5 kV test voltage according to EN 61140
Configuration options | DIP switches |
Input signal type | Voltage Current |
Input signal voltage | 0 … 5 V; 1 … 5 V; 0 … 10 V; 2 … 10 V (calibrated configurable signals) |
Input signal, current | 0 … 20 mA; 4 … 20 mA (calibrated configurable signals) |
Input resistance (intput/current) | ≤ 50 Ω |
Input resistance (input/voltage) | ≥ 100 kΩ |
Maks. giriş sinyali | 50 mA |
Maks. giriş gerilimi | 30 V |
Sıfır/açıklık ayarı | üst aralık değerinin ± %3´ü |
Output signal type | Current Voltage |
Output signal voltage | 0 … 5 V; 1 … 5 V; 0 … 10 V; 2 … 10 V |
Output signal current | 0 … 20 mA; 4 … 20 mA; 0 … 10 mA; 2 … 10 mA (calibrated switchable) |
Load impedance (output/voltage) | ≥ 2 kΩ |
Load impedance (output/current) | ≤ 600 Ω |
Max. operating frequency | 100 Hz / 5 kHz (configurable via DIP switch) |
Step response typ. | 3,5 ms (100 Hz); 100 µs (5 kHz) |
İletim hatası | ≤ 0.1 % of upper range value |
Sıcaklık katsayısı | ≤ %0,01 /K |
Type of power supply | 24 VDC |
Nominal supply voltage US | DC 24 V |
Supply voltage range | ±30 % |
Current consumption at supply voltage | ≤ 25 mA |
Test voltage (input/output/supply) | AC 2,5 kV; 50 Hz; 1 min |
Koruma sınıfı | IP20 |
Bağlantı teknolojisi | CAGE CLAMP® S |
Tek damarlı boylar | 0,08 … 2,5 mm² / 28 … 14 AWG |
İnce bükümlü kablolar | 0,34 … 2,5 mm² / 22 … 14 AWG |
Sıyırma uzunluğu | 9 … 10 mm / 0.35 … 0.39 inch |
Width | 6 mm / 0.236 inch |
DIN rayın üst kenarından yükseklik | 97,8 mm / 3.85 inch |
Depth | 94 mm / 3.701 inch |
Montaj tipi | DIN 35 ray |
Renk | açık gri |
Ağırlık | 36,8 |
Surrounding air (operating) temperature | -25 … 70 °C |
Surrounding air (storage) temperature | -40 … 85 °C |
Uygunluk işareti | CE |
EMV-Störfestigkeit | EN 61000-6-2 |
EMU: |
EN 61000-6-4 |
Product Group | 6 (Interface Electronics) |
SAP´den ambalaj tipi | bag |
Country of origin | DE |
GTIN | 4045454471293 |
Customs Tariff No. | 85437090300 |
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