S3X125

Product Description

['Home', 'ABB', 'Molded Case Circuit Breakers', 'S3X125'] Need ABB S3X125 (1SDA045390R1)? Molded Case Circuit Breaker for Low-Voltage Power Distribution. Supplied with full traceability and documentation. Request a... Price & Availability Classified as a molded case circuit breaker, it is positioned as a direct replacement and service part for existing installations. It is intended for use within Low-Voltage Power Distribution, where dependable operation and a precise fit are essential to keeping the plant running. Listed as Contact for availability, it is offered as a maintained and verified spare that supports the continued operation of the installed base. Key technical specifications include: The Frame Current is 125A. Its Breaking Capacity is rated at Up to 200kA (version dependent). For reference, the Poles is Contact supplier for exact specifications. The Rated Voltage is Contact supplier for exact specifications. Its Trip Unit is rated at Contact supplier for exact specifications. For reference, the Mounting is Contact supplier for exact specifications. The Weight is Contact supplier for exact specifications. Notable features of this unit: Isomax S3X molded case circuit breaker. 125A frame size. High short-circuit breaking capacity (up to 200kA). Protects panels and feeders from overload/short circuit. Typical applications include Low-voltage power distribution, Industrial panel protection, Feeder and branch circuit protection. It is compatible with or cross-references ABB S3X panelboards, Low-voltage distribution boards, ABB breaker accessories. Within industrial automation and process-control environments, components of this type are relied upon to keep critical equipment operating safely and efficiently. They are typically specified where uptime, repeatability and a predictable maintenance cycle matter more than upfront cost. A molded case circuit breaker such as this one forms part of a larger machine or system, so correct identification and fitment directly affect the performance and safety of the whole installation. ABB parts are widely used across power generation, manufacturing, oil and gas, water and process industries, where engineering teams standardise on proven series to simplify spares planning. When selecting a replacement, confirm the exact model designation and verify that the mechanical and electrical interface matches the unit currently installed. Cross-checking the order code, mounting style and connection type against the existing device helps avoid compatibility issues and unplanned downtime during a maintenance window. Where several variants exist, the suffix often defines voltage, range or firmware, so it should be matched precisely rather than approximated. This item is offered from our active stock of current and discontinued industrial parts. Each listing is verified against the manufacturer designation before shipment so you receive the correct part for your application. Availability and lead time vary by item; our team can confirm the fastest option for your required quantity and provide a formal quotation on request. Common questions: Regarding "What is the frame size of S3X125": It is a 125A frame molded case circuit breaker in the ABB Isomax S3X series. Regarding "What does 1SDA045390R1 mean": It is the ABB ordering / catalogue code for this breaker configuration. Please contact us to confirm current pricing, availability and delivery for your required quantity; volume and project pricing are available on request. The ABB S3X125 (1SDA045390R1) is a molded case circuit breaker. Basic Product Information High short-circuit breaking capacity (up to 200kA) Protects panels and feeders from overload/short circuit Isomax S3X molded case circuit breaker Technical Specifications Version & Model Difference ['S3X125 is the 125A Isomax S3X breaker; 1SDA045390R1 is the ABB ordering code.', 'Contact supplier for pole count and trip-unit differences across S3X variants.'] Application Scenarios Low-voltage power distribution Industrial panel protection Feeder and branch circuit protection What breaking capacity does it have? Up to 200kA depending on version; confirm exact rating with supplier. What does 1SDA045390R1 mean? It is the ABB ordering / catalogue code for this breaker configuration. Can you quote stock and delivery? Availability varies; contact supplier with your quantity for pricing and lead time. What is the frame size of S3X125? It is a 125A frame molded case circuit breaker in the ABB Isomax S3X series. ABB UNS 0017A-P Firing Board (SCR Trigger) for UNITROL 5000/6000 Excitation ABB KS D211B Input Coupling Unit ABB M35 Thyristor Packet UNS4017A-E Var. 633 (Thyristor Module VO2) ABB 3ADT220090R0006 SDCS-PIN-51-COAT Converter [A01] ABB PS 1500V 125A PRE+MC Fuse Disconnector ABB FSCA-01 Modbus-RTU FIG Module (3BHE030136R0001) ABB CCM 6080 UC D240 (3BHE022287R0001) Controller Card ABB CP-S.1 24/5.0 Power Supply (1SVR320561R1000)