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i-Snail-A: 4-20mA Loop Powered Current Transducer
(ETA1.420)

Features:

  • Highly accurate, true RMS measurement. Compatible with SCRs and VFDs

  • Self powered from the 4 - 20 mA loop.

  • Robust construction, compact size and easy wiring.

  • Ideal for Control and Energy Management applications.
 

i-Snail-A
 

i-Snail-X

Application:

The i-Snail-A transducer offers inexpensive yet accurate true RMS monitoring of AC current in one circuit.

This product is ideal as a precision AC load transducer for Control and Energy Management applications.

Combined with a standard 5A CT the loop powered i-Snail-A provides a convenient tool for accurate load monitoring in any electrical equipment.

Product Description:

The i-Snail-A is a precision current transducer that performs true RMS current measurements in one AC circuit wired through an interfacing CT mounted on the top of the enclosure.

The i-Snail-A may be ordered for various current ranges. The 0-5A and 0-10A current ranges feature a precision CT providing 0.3% accuracy (full scale). Other standard ranges include 25A, 50A and 100A. The i-Snail-A may be calibrated for other input ranges upon request. The 5A calibrated i-Snail-A can be applied to the secondary wire of a 5A CT thus extending the metering range as required.

The i-Snail-A is powered from the 4 -20 mA current loop (it acts as a "two wire loop device").  It will accept a wide range of loop excitation voltages, typically 24 VDC. The ETA1.420 unit is hermetically potted in a small plastic enclosure equipped with two mounting holes. A barrier strip terminal is provided for the output wiring.

The i-Snail-X does not include a built in CT and is equipped with spade connectors allowing remote installation of various Elkor miniature CTs (MCTA and MSCT).

Input Range Part Number Accuracy (full scale) Window Size Maximum Wire Size
0-5A i-Snail-A-5 0.3% 6.9mm (0.272") AWG #10
0-10A i-Snail-A-10
0-25A i-Snail-A-25
0-50A i-Snail-A-50 0.5% 14.5mm (0.570") AWG #2
0-100A i-Snail-A-100
         
Universal
(External CT)		 i-Snail-X

(External CT type and FS Range must be provided)		 0.3% + CT Accuracy N/A (Depends on CT)

*** Consult Elkor for other scale ranges ***

Specifications:

Power:  Standard 4-20mA loop; voltage 8 - 35 VDC
Input:  Current input through CT up to calibrated Range.  Unit may be used as a secondary to 5A CT for higher input ranges.

i-Snail-X: external CT (MSCT or MCTA).
Output:  4-20 mA loop (sinking); max. impedance 750 R @ 24VDC (barrier strip terminal provided)
Accuracy:  TRMS, 0.3% FS for 0-5A & 0-10A range, 0.5% for other ranges.
Enclosure: Potted plastic box (L=3", W=1.1", H=0.5" + CT Height), panel mount ready. Interfacing CT permanently attached on the top (except i-Snail-X version); Dielectric test (input/output) - 4 kVRMS

Information:


Datasheet		 PDF

Wiring Diagram		 PDF

copyright (c) Elkor Technologies Inc.