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ABB E251-230
by ABB
Read verified buyer reviews ↓OverviewThe ABB E251-230 Motor Protection Circuit Breaker is an essential component for safeguarding electrical systems. It is expertly designed to offer exceptional protection for motors and related electrical equipment. In demanding industrial and commercial environments, continuous operation and equipment longevity are vital. This device directly addresses these important needs by effectively protecting against damaging overloads and short circuits. By incorporating the E251-230 into your system, you proactively prevent expensive motor damage, minimize downtime, and ensure the consistent, efficient performance of your operations. Its durable construction and dependable functionality make it an indispensable part for maintaining optimal safety and operational integrity.Key Features Overload Defense: Specifically engineered to shield motors from the detrimental effects of sustained overload conditions, thereby extending their operational life. Short Circuit Security: Ensures safe and secure operation by quickly disconnecting power during short circuits, preventing severe damage to motors and electrical infrastructure. Configurable Trip Settings: Offers extreme flexibility with adjustable settings for overload protection, enabling precise calibration to suit specific motor characteristics and operating requirements. Broad Application Scope: A truly adaptable solution, suitable for integration into a wide array of electrical systems, including motors, generators, and other crucial electrical equipment across various industries. Compact Build: Designed for efficiency, its space-saving form factor allows for easy installation in crowded control panels and distribution boards, optimizing space utilization. Manual Reset Functionality: Features an intuitive manual reset mechanism, simplifying operation and maintenance procedures following a trip event. Technical Specifications Model: E251-230 Nominal Voltage: 230 V AC Rated Current: 16–25 A (adjustable) Number of Poles: 3 (optimized for three-phase systems) Breaking Capacity: 10 kA Tripping Curve: Inverse time characteristic, specifically designed for precise and reliable overload protection. Ambient Temperature Range: Operates effectively across a wide temperature spectrum, from -25°C to +55°C, ensuring dependability in diverse environments. Mounting Type: Flexible mounting options include both panel and DIN rail mounting, accommodating various installation preferences. Standards Compliance: Fully compliant with rigorous international standards including IEC 60947-4-1, UL 508, and CSA C22.2, confirming its quality and safety. Applications Motor Protection An excellent choice for protecting motors in a vast range of industrial and commercial machinery, from heavy manufacturing to precision robotics. Pumps and Fans Provides robust protection for critical systems such as pumps, fans, and compressors, shielding them from damaging overloads and short circuits, ensuring continuous airflow and fluid transfer. HVAC Systems Guarantees reliable and uninterrupted protection for Heating, Ventilation, and Air Conditioning (HVAC) equipment, essential for maintaining consistent environmental conditions. Water Treatment Plants Offers crucial protection for motors utilized in demanding water treatment and processing systems, where reliability is vital for public health and safety. Why ChooseThe ABB E251-230 Motor Protection Circuit Breaker sets itself apart through a potent combination of proven reliability, advanced protective features, and remarkable versatility. As a product from ABB, a global leader in electrical and automation technology, it embodies a heritage of engineering excellence and innovation. Its adjustable trip settings provide users with fine-grained control, allowing for precise calibration to perfectly match the unique demands of individual motors and applications. This adaptability, combined with its robust breaking capacity, makes it a superior choice.Order NowEnhance the safety and efficiency of your electrical systems. Order the ABB E251-230 Motor Protection Circuit Breaker today and experience unparalleled protection.FAQWhat is the primary function of the ABB E251-230?The ABB E251-230 primarily protects motors and associated electrical equipment from damage caused by overloads and short circuits.Can the trip settings be adjusted?Yes, the ABB E251-230 features adjustable trip settings for overload protection, allowing for precise calibration to specific motor characteristics.What environments is this breaker suitable for?It operates efficiently across a broad temperature range from -25°C to +55°C, making it suitable for diverse industrial and commercial environments.
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ABB E251-230
Overview
This is a genuine ABB component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine ABB catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader ABB automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your ABB equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same ABB catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation ABB platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: E251-230
- Nominal Voltage: 230 V AC
- Rated Current: 16–25 A (adjustable)
- Number of Poles: 3 (optimized for three-phase systems)
- Breaking Capacity: 10 kA
- Tripping Curve: Inverse time characteristic, specifically designed for precise and reliable overload protection.
- Ambient Temperature Range: Operates effectively across a wide temperature spectrum, from -25°C to +55°C, ensuring dependability in diverse environments.
- Mounting Type: Flexible mounting options include both panel and DIN rail mounting, accommodating various installation preferences.
- Standards Compliance: Fully compliant with rigorous international standards including IEC 60947-4-1, UL 508, and CSA C22.2, confirming its quality and safety.
Applications
-
Motor Protection
An excellent choice for protecting motors in a vast range of industrial and commercial machinery, from heavy manufacturing to precision robotics.
-
Pumps and Fans
Provides robust protection for critical systems such as pumps, fans, and compressors, shielding them from damaging overloads and short circuits, ensuring continuous airflow and fluid transfer.
-
HVAC Systems
Guarantees reliable and uninterrupted protection for Heating, Ventilation, and Air Conditioning (HVAC) equipment, essential for maintaining consistent environmental conditions.
-
Water Treatment Plants
Offers crucial protection for motors utilized in demanding water treatment and processing systems, where reliability is vital for public health and safety.
Why Choose the E251-230?
The ABB E251-230 Motor Protection Circuit Breaker sets itself apart through a potent combination of proven reliability, advanced protective features, and remarkable versatility. As a product from ABB, a global leader in electrical and automation technology, it embodies a heritage of engineering excellence and innovation. Its adjustable trip settings provide users with fine-grained control, allowing for precise calibration to perfectly match the unique demands of individual motors and applications. This adaptability, combined with its robust breaking capacity, makes it a superior choice.
Availability & Shipping
- ▸In stock: E251-230 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every E251-230 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — ABB
Machine down? We ship parts the same day.
New, surplus, and refurbished ABB inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
What Verified Buyers Say
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.