ABB 3BHB014827R0001 LEM LT2005-S SP19 Closed Loop Hall Effect Current Transducer

Manufacturer: LEM Core Sensor, ABB Complete Assembly PN

Dual Part Number: Sensor Model: LT2005-S/SP19 / ABB Spare Code: 3BHB014827R0001

Matching System Hardware: AI810 Analog Input Module, TU810 Base, TB820V2 Fiber Modem, AC800M CPU, CI858 DriveBus Card, XVC772A102 Excitation Main Board

Applicable Equipment: ABB UNITROL5000/6800 Generator Static Excitation, ACS6000 6kV Medium Voltage Drives

Type: Closed-Loop Hall Effect Galvanically Isolated Current Transducer, 2000Arms Nominal, Panel Mount Large Aperture

Core Function: AC/DC high current isolation measurement, rotor excitation DC current sampling, DC link overcurrent detection, closed-loop AVR regulation signal transmission, high voltage EMI isolation

1. Product Overview

LT2005-S/SP19 (3BHB014827R0001) is a high-precision closed-loop Hall effect current transducer manufactured by LEM and designated as standard spare part for ABB medium voltage converters and generator excitation systems. It measures up to 2000A RMS AC/DC continuous current via a large rectangular primary aperture, with 4000:1 current transformation ratio to output 0.5A secondary signal for DCS analog acquisition. 10kV galvanic isolation completely separates high-power primary circuit from low-voltage control I/O, eliminating ground loop and harmonic interference from StakPak thyristor/IGCT power stacks. Dual ±15~±24V bipolar power supply, ultra-fast response time <1μs enables instant detection of DC bus short-circuit and power device breakdown faults. Widely used in thermal/hydro power plant UNITROL excitation cabinets and ACS6000 rolling mill multi-drive systems. ABB supplies full assembled unit with mounting bracket under PN 3BHB014827R0001 as official maintenance spare part.

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