Product Description

Overview

The ABB 4943013-6 is a high-accuracy Current Sensor / Current Transformer and a complementary Primary Lithium Backup Battery, designed for industrial and traction applications. Part of the ABB ES series, it provides precise current measurement, galvanic isolation, and reliable power backup for ABB PM series devices. This dual-function design is suitable for railway traction systems, power converters, and critical industrial electronics.

Current Sensor Features

• Closed-Loop Hall Effect Technology: Provides highly linear and thermally stable current measurements.

• High Galvanic Isolation: Safeguards control electronics from high-voltage primary circuits.

• Wide Frequency Response: Measures DC, AC, and pulsed currents with minimal delay.

• Fast Dynamic Response: Ideal for overcurrent detection and real-time control.

• Rugged Industrial Design: Resistant to vibration, shock, and wide temperature ranges for traction and industrial environments.

• Low Power Consumption: Efficient design ensures minimal energy overhead while maintaining measurement precision.

Backup Battery Features

• Battery Type: Primary Lithium-Thionyl Chloride (Li-SOCl₂), non-rechargeable.

• Nominal Voltage: 3.6 V.

• High Energy Density: Long-lasting memory backup for ABB PM810–PM866 series devices.

• Compact Size: ½ AA cell; dimensions: 14.5 mm width × 25 mm length × 15.5 mm height.

• Lightweight: Approximately 9 grams.

• Safety & Compliance: Classified as UN3090, Class 9 dangerous goods; environmentally safe with no SVHC reported.

Technical Specifications

Applications

• Accurate current measurement in locomotives, heavy industrial drives, and traction systems.

• Memory backup for ABB PM810, PM825, PM851, PM856, PM860, PM861, PM864, PM865, PM866 series devices.

• Protection against transient overcurrents and real-time monitoring in complex electrical systems.

FAQ

Q: How do I install the 4943013-6 current sensor?
A: Center the primary conductor in the sensor aperture to ensure accurate measurements and minimize external magnetic interference.

Q: Can the backup battery be replaced without shutting down the system?
A: Yes, it is designed for safe replacement with minimal disruption to ABB PM devices.

Q: Is the sensor suitable for high-vibration environments?
A: Absolutely, it is engineered for traction and industrial applications, resistant to vibration, shock, and wide temperature ranges.