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Article: 2857-570/024-001
Brand: Wago
20,486.93 грн.
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Description 2857-570/024-001 3-Phase Power Measurement Module;3x277/480 V/1 A;Modbus RTU
Short description:WAGO's 3-Phase Power Measurement Module in a DIN-rail-mount enclosure measures electrical data in three-phase supply networks – remotely from the control level.
Measured variables such as active/apparent/reactive power, energy consumption, power factor, phase angle and frequency can be accessed via Modbus® interface. In addition, the measured variables can be stored on a microSD card.
- Current measurement via 1A current transformer
- Mobile measurement and storage of measured values on microSD card
- Configuration and display of measured values during operation via configuration interface
- Compact device in DIN-rail-mount enclosure saves space used for building technology
- Communication of measured values via Modbus® interface
- Configurable digital signal output as pulse output
Main attributes 2857-570/024-001 3-Phase Power Measurement Module;3x277/480 V/1 A;Modbus RTU
Communication
Appeal
Via interface configuration software
Communications
Modbus RTU
Interface
RS-485 (2-wire) via RJ-45
Number of devices (max.)
32
Configuration
Configuration options
WAGO Interface Configuration Software
Connection 1
Connection technology
Push-in CAGE CLAMP®
Connection type 1
Voltage
Fine-stranded conductor
0.25 … 2.5 mm² / 24 … 14 AWG
Solid conductor
0.25 … 2.5 mm² / 24 … 14 AWG
Strip length
10 … 11 mm
WAGO connector
WAGO 804 Series
Connection 2
Connection technology 2
Push-in CAGE CLAMP®
Connection type 2
Current/power supply/DO
Fine-stranded conductor 2
0.2 … 1.5 mm² / 24 … 16 AWG
Solid conductor 2
0.2 … 1.5 mm² / 24 … 16 AWG
Strip length 2
9 … 10 mm
WAGO 2 connector
WAGO 805 Series
Connection data
Connector
2 x RJ-45 (daisy chain configuration)
Environmental requirements
Ambient temperature (operation)
-40 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
Relative humidity
5 … 95 % (non-condensing)
Input
Frequency range
50 … 60 Hz (Harmonics analysis: 0 … 3.3 kHz)
Input current (max.)
1 AAC
Input resistance (input current)
22 mΩ
Input resistance (voltage input)
1.5 MΩ
Input signal (current)
AC 1 A (current transformer)
Input signal (voltage)
AC 277 V (ULN); AC 480 V (ULL)
Input signal type
Voltage
Measured variable
Voltage
Network configuration
3-phase power measurement without N-conductor (3-conductor)
Resolution (current)
10 mA
Triggering threshold
10 mA
Material data
Fire load
0.044 MJ
Weight
115.5 g
Measurement error
Transmission error (max.)
≤ 0.5 % for current and voltage (of the full scale value)
Mechanical data
Housing design
DIN-rail-mount enclosure
Mounting type
DIN-35 rail
Output – digital
Configurable functions (DO)
Threshold value switch
Continuous current (DO) max.
100 mA (no internal restriction)
Switching voltage (DO) max.
Supply voltage applied
Output – MODBUS
Appeal
Via interface configuration software
Connector
2 x RJ-45 (daisy chain configuration)
Number of devices (max.)
32
Physical data
Depth from upper-edge of DIN-rail
55 mm
Height
90 mm
Width
72 mm
Power supply
Current consumption at nominal supply voltage
≤ 50 mA (+ IDO)
Nominal supply voltage Uₛ
DC 24 V (SELV)
Power supply type
24 VDC
Supply voltage range
±30 %
Safety and protection
ILₓ input requirements
Coils/converters with basic insulation
Overvoltage category
III
Pollution degree
2
Protection type
IP20
Rated voltage
600 V
Requirement (N inputs)
Neutral conductors that are part of the mains circuit are considered dangerous voltage.
Safe isolation
Input/supply and communication per EN 61010-1
Test voltage (input/output/supply)
AC 3.51 kV; 50 Hz; 1 min
Signal processing
Limit frequency
15.9 kHz
Measured variables (calculated)
Total Harmonic Distortion (THD)
Measurement method
True RMS measurement (measured value acquisition with 8 kHz)
Memory card type
WAGO 758-879/000-3102 (microSD; 2 GB)
Signal shape
any periodic signals (considering the threshold frequencies)
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
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2857-570/024-001 3-Phase Power Measurement Module;3x277/480 V/1 A;Modbus RTU
Article:2857-570/024-001
20,486.93 грн.
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