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3ASC25H208 DATX100

High-precision digital conversion: The 3ASC25H208 DATX100 leverages 24-bit analog-to-digital converters to achieve 0.1% measurement accuracy, critical for applications like energy metering and fault recording. A utility company using this module in a 110 kV substation reduced metering errors by 90%, ensuring accurate billing and grid loss calculations.

 

Seamless digital substation integration: With native support for IEC 61850-9-2 LE and FT3 protocols, the module enables direct communication with protection relays (e.g., ABB REF615) and SCADA systems, eliminating the need for analog-to-digital converters. A renewable energy microgrid integrated the DATX100 to synchronize solar inverter outputs with grid frequency, achieving a 5% improvement in power quality metrics.

 

Rugged reliability and flexibility: The module’s dual power supply and hardware redundancy (optional) ensure continuous operation during power fluctuations. Its wide input range (CT: 0.1–200% of rated current) and configurable voltage scaling make it suitable for retrofitting older substations. A mining operation in a remote location used the DATX100 to modernize its 33 kV system, maintaining compatibility with existing CTs while enabling real-time monitoring via a cloud-based platform.
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Part number: 3ASC25H208 DATX100
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Description

Product Overview

The ABB 3ASC25H208 DATX100 is a high-performance digital automation transformer (DAT) module designed for ABB’s Relion® series of protection and control systems, specifically engineered for medium-to-high voltage power distribution networks. As a critical component in substation automation, the ABB 3ASC25H208 DATX100 serves as a precision interface between conventional current transformers (CTs) and voltage transformers (VTs) and modern digital control systems, converting analog electrical signals into high-accuracy digital data streams. This module is part of ABB’s initiative to modernize grid infrastructure, enabling seamless integration with IEC 61850-based digital substations and supporting advanced functions like synchrophasor measurement and wide-area monitoring.


The 3ASC25H208 DATX100 features a compact, rack-mountable design with advanced signal processing capabilities, including anti-aliasing filters, dynamic range adjustment, and real-time data synchronization. Its dual-core processor ensures low latency (≤100 μs) and high precision (0.1% class accuracy), making it ideal for applications requiring fast fault detection and precise power quality analysis. Compatible with both traditional electromagnetic CTs/VTs and newer 电子式互感器 (ECT/EVT), the module bridges legacy and modern substation technologies, facilitating gradual grid digitization while maintaining backward compatibility.

Technical Specifications

Parameter Name Parameter Value
Product Model 3ASC25H208 DATX100
Manufacturer ABB
Product Type Digital Automation Transformer (DAT)
Signal Inputs 3-phase current (CT: 1A/5A), 3-phase voltage (VT: 100V/57.7V)
Output Format IEC 61850-9-2 LE, FT3 (IEEE C37.118), analog (4–20 mA optional)
Sampling Rate Up to 8 kHz (configurable for synchrophasors)
Accuracy Class 0.1S (current), 0.2 (voltage)
Latency ≤100 μs (digital output), ≤2 ms (analog output)
Communication Protocols IEC 61850, IEEE C37.118, Modbus TCP
Operating Temperature -40°C to +70°C
Mounting Method 19-inch rack mount (1U height)
Dimensions (W×H×D) 482 mm × 44 mm × 200 mm
Power Supply 110–240 V AC/DC (dual redundant inputs)
Certification IEC 61850, IEEE C37.232, CE, UL 508

Main Features and Advantages

High-precision digital conversion: The 3ASC25H208 DATX100 leverages 24-bit analog-to-digital converters to achieve 0.1% measurement accuracy, critical for applications like energy metering and fault recording. A utility company using this module in a 110 kV substation reduced metering errors by 90%, ensuring accurate billing and grid loss calculations.


Seamless digital substation integration: With native support for IEC 61850-9-2 LE and FT3 protocols, the module enables direct communication with protection relays (e.g., ABB REF615) and SCADA systems, eliminating the need for analog-to-digital converters. A renewable energy microgrid integrated the DATX100 to synchronize solar inverter outputs with grid frequency, achieving a 5% improvement in power quality metrics.


Rugged reliability and flexibility: The module’s dual power supply and hardware redundancy (optional) ensure continuous operation during power fluctuations. Its wide input range (CT: 0.1–200% of rated current) and configurable voltage scaling make it suitable for retrofitting older substations. A mining operation in a remote location used the DATX100 to modernize its 33 kV system, maintaining compatibility with existing CTs while enabling real-time monitoring via a cloud-based platform.

Application Field

Power transmission and distribution: The 3ASC25H208 DATX100 is essential for smart grid applications, such as phasor measurement units (PMUs) in transmission networks. A national grid operator deployed the module in 220 kV substations to support synchrophasor-based stability monitoring, reducing fault location time by 60% during major outages.


Industrial and critical infrastructure: In data centers and healthcare facilities, the module monitors harmonic distortion and voltage flicker in real time, ensuring compliance with IEEE 519 standards. A Tier IV data center used its 4–20 mA analog outputs to interface with legacy power quality analyzers, while leveraging digital outputs for advanced analytics via ABB Ability™.


Renewable energy and microgrids: For wind farms and solar plants, the DATX100 converts CT/VT signals from inverters and transformers into IEC 61850-compatible data, enabling seamless integration with energy management systems (EMS). A 50 MW solar plant used this capability to optimize reactive power control, reducing curtailment losses by 3% during high irradiance periods.

Related Products

  • ABB REF615: Medium-voltage protection relay that integrates with the DATX100 via IEC 61850, enabling fast fault protection in digital substations.
  • ABB PHD600: Phasor data concentrator (PDC) that collects synchrophasor data from multiple DATX100 modules for wide-area monitoring.
  • ABB UNIGEAR ZS1: GIS switchgear platform compatible with the DATX100 for compact, digital substation designs.
  • ABB SBC100: Communication gateway that expands the module’s protocol support to include EtherNet/IP for IIoT integration.
  • ABB 3HAC12979-1: Redundancy module for the DATX100, ensuring zero downtime in critical applications like nuclear power plants.
  • ABB PM866AK01: AC 800M processor module that processes DATX100 data for advanced control strategies, such as load forecasting and demand response.

Installation and Maintenance

Pre-installation preparation: Mount the 3ASC25H208 DATX100 in a grounded 19-inch rack within the substation’s control room. Connect CT/VT secondary cables using shielded twisted-pair wiring, ensuring proper grounding to minimize EMI. Configure signal scaling and protocol parameters via ABB’s Relion® Manager software, verifying synchronization with the substation’s GPS clock for accurate timestamping.


Maintenance recommendations: Perform annual inspections of terminal connections and power supply voltages, using the module’s built-in diagnostic interface to check for ADC drift or communication errors. In high-EMI environments, test cable shielding integrity and replace any degraded components. ABB’s remote diagnostics service can monitor module health in real time, providing early warnings of component wear and facilitating proactive replacement planning.

Product Guarantee

ABB guarantees the 3ASC25H208 DATX100 to meet performance specifications for 60 months from delivery, with an optional 10-year extended warranty for utility-scale projects. The module undergoes rigorous testing for EMC compliance (EN 61000-6-2), thermal cycling, and long-term stability, ensuring adherence to IEEE and IEC standards.


For after-sales support, ABB provides certified technicians for on-site commissioning and calibration, as well as a global spare parts network with 95% availability. The ABB 3ASC25H208 DATX100 exemplifies ABB’s leadership in digital substation technology, delivering future-proof solutions that enhance grid reliability, efficiency, and adaptability to evolving energy demands.


Contact us to explore how the ABB 3ASC25H208 DATX100 can modernize your substation infrastructure, bridging legacy and digital systems to unlock the full potential of smart grid automation.
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