857-551

Additional Information

Part Number

857-551

UPC

4055143967129

Tariff Code

85437090300

ETIM

Group Code : EG000026

Group Description : Sensors

Class Description : Current value transformer

Class Code : EC002475

Version : 7

Output (Analog)

Output signal type

Current || Voltage

Output signal (voltage)

0 … 5 V; 1 … 5 V; 0 … 10 V; 2 … 10 V (can be inverted, also bipolar)

Output signal (current)

0 … 10 mA; 2 … 10 mA; 0 … 20 mA; 4 … 20 mA (can be inverted, also bipolar)

Load impedance (voltage output)

≥ 2 kΩ

Load impedance (current output)

≤ 600 Ω

Signal Processing

Measurement method

True RMS measurement; Arithmetic mean value

Software filter (adjustable)

Moving average value (filter level: 30)

Step response (typ.)

60 ms (for software filter 3)

Step response (max.)

250 ms

Configuration

Configuration options

DIP switch || WAGO Interface Configuration Software

Environmental Requirements

Ambient temperature (operation)

-40 … +70 °C (at nominal current)

Ambient temperature (storage)

-40 … +85 °C

Temperature range of connection cable

≥ (Tambient + 34 K)

Relative humidity

5 … 95 % (no condensation permissible)

Operating altitude (max.)

2000 m

Output (Digital)

Switching voltage (DO) max.

Supply voltage applied

Continuous current (DO) max.

100 mA (no internal restriction)

Number of switching thresholds (DO)

1 or 2 (adjustable)

Configurable rise/fall delay time (DO)

0 … 60 s (via software)

Connection Data

Connection technology

Push-in CAGE CLAMP®

Solid conductor

0.08 … 2.5 mm² / 28 … 14 AWG

Fine-stranded conductor

0.34 … 2.5 mm² / 22 … 14 AWG

Strip length

9 … 10 mm / 0.35 … 0.39 inches

Signaling And Communication

Configuration options

DIP switch || WAGO Interface Configuration Software

Supply

Nominal supply voltage US

DC 24 V (SELV)

Supply voltage range

±30 %

Current consumption at nominal supply voltage

≤ 50 mA (+ IDO)

Physical Data

Width

6 mm / 0.236 inches

Height

94 mm / 3.701 inches

Depth from upper-edge of DIN-rail

97.8 mm / 3.85 inches

Measurement Error

Transmission error (max.)

≤ 0.5 % (of the full scale value)

Temperature coefficient

1 A input: ≤ 0.01 %/K (typ.); ≤ 0.02 %/K (max.); 5 A input: ≤ 0.02 %/K (typ.); ≤ 0.04 %/K (max.)

Material Data

Fire load

0.013 MJ

Weight

38.200 g

Input

Input signal type

Current

Input signal (current)

AC/DC 0 … 5 A (IN 1; block arrangement); AC/DC 0 … 6 A (IN 1; individual arrangement)

Frequency range

16 … 200 Hz

Input resistance (current input)

47 mΩ (IN 1); 10 mΩ (IN 2)

Input current (max.)

15 A (IN 1; 5 s); 10 A (IN 3; 5 s)

Response threshold

10 mA (IN 1); 2 mA (IN 3)

Resolution (current)

1 mA (IN 1); 0.5 mA (IN 3)

Standards And Specifications

Conformity marking

CE

EMC immunity to interference

EN 61000-6-2, EN 61326-1

EMC emission of interference

EN 61000-6-3; EN 61326-1

Standards/specifications

EN 61010-1

Mechanical Data

Mounting type

DIN-35 rail

Specifications

Product Group Code

0006

Commercial Data

Packaging type

Bag

Country of origin

DE

GTIN

4055143967129

Customs tariff number

85437090300

Notes

Note

Only the WAGO Interface Configuration Software can be used to set the measurement range of 0 to 6 A.Additional setting options via the WAGO Interface Configuration Software

Test Voltage

Test voltage (input/analog output/supply/service interface)

3 kVAC; 50 Hz; 1 min

Insulation Parameters

Overvoltage category

II

Pollution degree

2

Insulation type (input/analog output/supply/service interface)

Double insulation (impedance and basic insulation)Requirement: The GND 1 input is dangerous when active and the measurement is conducted as a low-side measurement!