Independent Supplier Notice — Z & F Corporation Ltd is not affiliated with, authorized by, endorsed by, or acting as an official representative of any manufacturer, brand, or trademark owner referenced on this website. All product names, trademarks, brand names, logos, and manufacturer references are the property of their respective owners and are used solely for identification, reference, and compatibility purposes.
ABB DDA203 Series Residual Current Device, 63A, 3-Pole, 100 mA, Type A 400V ac
The ABB DDA203 Series Residual Current Device, 63A, 3-Pole, 100 mA, Type A 400V ac is a professional-grade industrial component designed for reliable performance in demanding environments including power distribution, oil and gas, and process manufacturing applications.

ABB DDA203 Series Residual Current Device, 63A, 3-Pole, 100 mA, Type A 400V ac
The ABB DDA203 Series Residual Current Device, 63A, 3-Pole, 100 mA, Type A 400V ac is a professional-grade industrial component designed for reliable performance in demanding environments including power distribution, oil and gas, and process manufacturing applications.

Send inquiry before 6pm
Ex-works or delivered on request
Product Description
Engineered for durability and performance, the ABB DDA203 Series Residual Current Device, 63A, 3-Pole, 100 mA, Type A 400V ac is a trusted industrial component suited for a wide range of operational environments.
This unit is constructed using high-grade materials that provide resistance to mechanical wear, thermal stress, and electrical interference. The product meets stringent quality benchmarks, ensuring that it delivers consistent results in high-demand industrial scenarios. Its design minimizes installation complexity while maximizing operational efficiency across the service life of the equipment.
The product is widely used in industrial process control applications, including manufacturing automation, power generation, and heavy industry. It supports reliable operation in oil and gas facilities, refineries, chemical processing plants, and utility infrastructure. Its suitability across multiple industry verticals makes it a versatile choice for procurement teams responsible for multi-site industrial operations.
The engineering specifications of this product address the key performance parameters required in professional industrial contexts, including rated voltage, current capacity, and switching characteristics. Compliance with applicable product standards provides assurance of quality, safety, and long-term reliability. These characteristics make it a dependable choice for both original equipment manufacturers and end-user maintenance applications.
From an operational perspective, this component minimizes the risk of system failure through its reliable switching, protection, or control functionality. Facilities that depend on high availability — including continuous-process industries and critical infrastructure — benefit from the reduced failure rate that quality-engineered components provide. The product also supports predictive maintenance programs, as its known ratings and service intervals allow engineering teams to plan replacements before failures occur. This approach to asset management reduces unplanned downtime and supports overall equipment effectiveness (OEE) targets in industrial facilities.
Sourced and supplied by Z&F Corporation, this product is backed by expert technical support and a commitment to industrial quality standards. It represents a proven specification for industrial applications where reliability, safety, and performance consistency are required. For more information about this product, technical specifications, or to request a quotation, contact Z&F Corporation's industrial procurement and supply team.
Frequently Asked Questions
Zero product overlap. This category is ABB's DDA-series standalone residual current devices plus accessory modules that add earth-leakage detection onto existing Tmax XT and Emax moulded-case circuit breakers. RCCBs and RCBOs are the miniature circuit breaker (MCB) format.
Genuine Supply
100% Authentic Parts
Full Traceability
Chain of Custody
ISO 9001 Team
Certified Professionals
Global Shipping
Worldwide Delivery
24-Hour Response
Fast Quotes




