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Article: 857-452
Brand: Wago
4,434.98 грн.
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Description 857-452 Passive isolator, 2-channel;Current input signal;2 x current output signal
Short description:WAGO's passive isolator (2‐channel) electrically isolates and filters 0(4)–20 mA standard analog signals, while drawing power for signal transmission from the input circuit. The connected sensor supplies the passive isolator with the required power to energize the connected load.
Features:- No additional supply voltage required
- 3-way electrical isolation with 2.5 kV test voltage
Main attributes 857-452 Passive isolator, 2-channel;Current input signal;2 x current output signal
Configuration
Configuration options
Pre-configured
Connection data
Cable type
Shielded cable
Connection technology
Push-in CAGE CLAMP®
Fine-stranded conductor
0.34 … 2.5 mm² / 22 … 14 AWG
Solid conductor
0.08 … 2.5 mm² / 28 … 14 AWG
Strip length
9 … 10 mm
Environmental requirements
Ambient temperature (operation)
-25 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
Operating altitude (max.)
2000 m
Relative humidity
5 … 95 % (no condensation permissible)
Temperature range of connection cable
≥ (Tambient + 15 K)
Temperature range of connection cable (UL)
70 °C
Input
Input current (max.)
40 mA
Input signal (current)
0 … 20 mA; 4 … 20 mA
Input signal type
Current
Input voltage (max.)
20 V
Triggering threshold
200 µA
Insulation coordination (UL)
Insulation type (input/analog output)
Reinforced insulation (safe isolation)
Material data
Fire load
0.543 MJ
Flammability class per UL94
V0
Insulation material (main housing)
Polyamide (PA66)
Weight
62 g
Measurement error
Download error
≤ 0.05 % (of upper-range value; per 100 Ω load)
Temperature coefficient
≤ 0.01 %/K
Transmission error (typ.)
≤ 0.1 % of upper-range value
Mechanical data
Mounting type
DIN-35 rail
Output (analog)
Load impedance (current output)
≤ 600 ΩTemperature range restrictions may occur.
Output signal (current)
0 … 20 mA; 4 … 20 mA
Output signal type
Current
Output (voltage tap)
Voltage drop
≤ 2.5 V at 20 mA (output)
Physical data
Depth from upper-edge of DIN-rail
97.8 mm
Height
94 mm
Width
6 mm
Power supply
Power supply type
Passive (via input)
Safety and protection
Measurement category per EN/UL 61010-2-030
CAT II (input)
Overvoltage category
II
Pollution degree
2
Protection type
IP20
Rated voltage
300 V
Signal processing
Limit frequency
100 Hz
Step response (typ.)
3.5 ms
Standards and specifications
Conformity marking
CE
EMC emission of interference
EN 61000-6-3
EMC immunity to interference
EN 61000-6-2
Standards/specifications
EN 61010-1
Test voltage
Test voltage (input/output)
AC 3 kV; 50 Hz; 1 min
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857-452 Passive isolator, 2-channel;Current input signal;2 x current output signal
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4,434.98 грн.
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