ABB TAS02

Technical Dossier

Product Details And Specifications

ABB TAS Series Technical Notes

The ABB TAS Series of current circuit breakers occupies a critical position in global heavy industry infrastructure. Deployed extensively across chemical processing plants, nuclear power facilities, petroleum refineries, and large-scale manufacturing installations, TAS Series devices provide overcurrent and short-circuit protection within low-voltage distribution and motor control systems. Their compact modular form factor and DIN-rail compatibility made them a standard specification in European and Asian industrial panel builds from the 1990s through the 2010s. ABB's TAS range is engineered to IEC 60947-2 standards, ensuring interoperability within ABB's broader SACE and S-series protection ecosystem.

The Evolution of TAS Series Architecture

The TAS Series was introduced as part of ABB's modular low-voltage protection portfolio, designed to replace earlier fixed-frame breakers with a thermomagnetic trip mechanism that could be factory-calibrated to precise current ratings. Early TAS variants (TAS01, TAS02) were single-pole devices rated for low-amperage branch circuit protection, typically 0.5A–16A, with a breaking capacity of 6kA at 230V AC. These units used bimetallic strip technology for thermal overload detection and a magnetic solenoid for instantaneous short-circuit trip.

As industrial automation architectures evolved through the 2000s, ABB expanded the TAS range to include multi-pole configurations (TAS03, TAS04) and higher breaking capacity variants to address 400V three-phase distribution requirements. Compatibility with ABB's S200 and S280 series auxiliary contacts and shunt trip accessories allowed TAS modules to be integrated into remotely monitored protection schemes. By the mid-2010s, the TAS Series entered a mature lifecycle phase, with ABB transitioning new designs toward the S200M and S800 series for higher-performance applications. TAS modules remain in active spare parts supply but are no longer in primary production, making verified aftermarket sourcing essential for ongoing plant maintenance.

TAS Series Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented TAS Series range. Each entry reflects a distinct current rating, pole configuration, or trip characteristic variant:

TAS01: 1-pole thermomagnetic MCB, 0.5A–2A, 6kA breaking capacity, B-curve trip characteristic.
TAS02: 1-pole thermomagnetic MCB, 2A–6A, 6kA breaking capacity, B/C-curve, DIN-rail mount, IEC 60947-2 compliant.
TAS03: 1-pole thermomagnetic MCB, 6A–10A, 6kA, C-curve, suitable for resistive and inductive loads.
TAS04: 1-pole thermomagnetic MCB, 10A–16A, 6kA, C-curve, standard branch circuit protection.
TAS05: 2-pole thermomagnetic MCB, 2A–6A, 6kA, B-curve, for single-phase 230V circuits.
TAS06: 2-pole thermomagnetic MCB, 6A–16A, 6kA, C-curve, motor branch protection.
TAS07: 3-pole thermomagnetic MCB, 2A–6A, 6kA, B-curve, three-phase low-current distribution.
TAS08: 3-pole thermomagnetic MCB, 6A–16A, 6kA, C-curve, three-phase motor feeder protection.
TAS09: 3-pole thermomagnetic MCB, 16A–25A, 6kA, C-curve, higher-load three-phase branch circuits.
TAS10: 3-pole thermomagnetic MCB, 25A–32A, 10kA, D-curve, high inrush motor starting applications.
TAS11: 1-pole MCB with auxiliary contact (1NO+1NC), 6A, C-curve, for monitored distribution boards.
TAS12: 2-pole MCB with shunt trip coil, 10A, C-curve, remote trip integration for BMS/SCADA systems.
TAS13: 3-pole MCB with undervoltage release, 16A, C-curve, automatic disconnection on voltage loss.
TAS14: 3-pole MCB, 32A–40A, 10kA, D-curve, heavy motor branch and transformer secondary protection.
TAS15: 4-pole thermomagnetic MCB, 16A, 6kA, C-curve, neutral-switched three-phase+N distribution.
TAS16: 4-pole thermomagnetic MCB, 25A–32A, 10kA, C/D-curve, main incomer protection for sub-distribution boards.