Wago : 857-450
Loop feed isolation amplifier
857-450
Loop feed isolation amplifier; Bipolar current and voltage input signal; Current output signal; Configuration via DIP switch; Power via input; 6 mm module width; 2.50mm² Short description: The 857-450 Loop Powered Isolation Amplifier converts analog, unipolar and bipolar standard signals. It also amplifies, filters and electrically isolates standard analog signals. Features: No additional power supply required Zero/span adjustment Analog, unipolar and bipolar, standard signals at input Caliber scale change Can change max. operating frequency Safe, 2-way insulation with 2.5 kV test voltage according to EN 61140
Loop feed isolation amplifier; Bipolar current and voltage input signal; Current output signal; Configuration via DIP switch; Power via input; 6 mm module width; 2.50mm²
Short description:
The 857-450 Loop Powered Isolation Amplifier converts analog, unipolar and bipolar standard signals. It also amplifies, filters and electrically isolates standard analog signals.
Features:
- No additional power supply required
- Zero/span adjustment
- Analog, unipolar and bipolar, standard signals at input
- Caliber scale change
- Can change max. operating frequency
- Safe, 2-way insulation with 2.5 kV test voltage according to EN 61140
Configuration options | DIP switches |
Input signal type | Voltage Current |
Input signal voltage | ±1 V; 0 … 1 V; ±2 V; 0 … 2 V; ±5 V; 0 … 5 V; 1 … 5 V; ±10 V; 0 … 10 V; 2 … 10 V; ±20 V; 0 … 20 V |
Input signal, current | ±5 mA; 0 … 5 mA; ±10 mA; 0 … 10 mA; 2 … 10 mA; ±20 mA; 0 … 20 mA; 4 … 20 mA |
Input resistance (intput/current) | ≤ 50 Ω |
Input resistance (input/voltage) | ≥ 1 MΩ |
Maks. giriş sinyali | 50 mA |
Maks. giriş gerilimi | 30 V |
Sıfır/açıklık ayarı | üst aralık değerinin ±%5´i |
Output signal type | Current |
Output signal current | 4 … 20 mA |
Load impedance (output/current) | ≤ 600 Ω |
Max. operating frequency | 100 Hz / 30 Hz (configurable via DIP switch) |
Step response typ. | 3,5 ms |
İletim hatası | ≤ 0.1 % of upper range value |
Sıcaklık katsayısı | ≤ %0,01 /K |
Type of power supply | loop-powered (via output) |
Supply voltage | DC 8 … 30 V (power derived from the output circuit) |
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 | 37,9 |
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 61000-6-3 |
Product Group | 6 (Interface Electronics) |
SAP´den ambalaj tipi | bag |
Country of origin | DE |
GTIN | 4045454828479 |
Customs Tariff No. | 85437090300 |
All of our products ensure maximum reliability even in challenging working conditions and help your business operations run smoothly. The products we offer in industrial automation, energy management, cabling solutions, and many other areas adapt flexibly to the needs of different sectors.
Additionally, our products are manufactured using only high-quality materials and comply with international standards. Through the solutions we provide, we enable our customers to increase operational efficiency and optimize costs. Our company closely follows technological advancements and continuously offers innovative products to help our customers gain a competitive advantage.
On each of our product pages, you can find comprehensive information about technical details, areas of use, and product features. You can explore all the products you need to strengthen your industrial processes on our website and enjoy a seamless purchasing experience.
Similar Products
Can't find the product you're looking for?
LET US HELP YOU
Can't Find the Product You're Looking For? Let Us Know, and We'll Source It for You!
Are you searching for products not listed on our website or out of stock? Let us know your requirements, and our expert team will contact you as soon as possible to find the most suitable solution for you.