Description

With a rated current of 125A and an instantaneous short-circuit current setting(Ii)of 1250A,the ABB XT1N 160 TMD125-1250 F F 3P ensures rapid and effective disconnection of fault currents,thereby protecting connected equipment and preventing extensive damage to the electrical infrastructure.The”F F”notation refers to its fixed configuration with front terminals,simplifying installation and maintenance procedures.As a fundamental element in modern automation and power distribution systems,this ABB MCCB plays a vital role in ensuring the continuous availability of power while maintaining the highest safety standards in industrial,commercial,and utility environments.Its reliable operation and adherence to international standards solidify its position as a go-to solution for critical circuit protection needs.

Technical Specifications

Parameter Name Parameter Value

Product Model XT1N 160 TMD125-1250 F F 3P

Manufacturer ABB

Product Type Molded Case Circuit Breaker(MCCB)

Series SACE Tmax XT

Number of Poles 3

Rated Current(In)125 A

Rated Uninterrupted Current(Iu)160 A

Release Type Thermal-Magnetic(TMD)

Thermal Overload Protection Setting Range 87.5…125 A(adjustable)

Instantaneous Short-Circuit Current Setting(Ii)1250 A(fixed)

Rated Operational Voltage(Ue)690 V AC,500 V DC

Rated Insulation Voltage(Ui)800 V

Rated Impulse Withstand Voltage(Uimp)8 kV

Rated Ultimate Short-Circuit Breaking Capacity(Icu)at 415V AC 36 kA

Rated Service Short-Circuit Breaking Capacity(Ics)at 415V AC 36 kA

Terminal Connection Type Fixed Circuit-Breakers,Front Terminals

Mechanical Durability 25,000 cycles

Electrical Durability 8,000 cycles(at 120 cycles/hour)

Dimensions(W x H x D)76.2 mm x 130 mm x 70 mm

Weight Approx.1.085 kg

Standards IEC 60947

Export to Sheets

Main Features and Advantages

The ABB XT1N 160 TMD125-1250 F F 3P stands out in the realm of electrical protection due to its advanced design and robust performance,offering numerous features and advantages for various applications.

Reliable Thermal-Magnetic Protection:At its core,the ABB XT1N 160 TMD125-1250 F F 3P utilizes a highly effective Thermal-Magnetic(TMD)release unit.This dual protection mechanism ensures comprehensive safeguarding against both overload conditions and short circuits.The thermal element provides inverse long-time delay protection for overloads,adjusting its trip time based on the magnitude and duration of the overcurrent,while the magnetic element offers instantaneous tripping for severe short-circuit faults.This combination ensures that connected equipment is protected from thermal damage and catastrophic electrical events,enhancing system longevity and operational safety.

High Breaking Capacity:Despite its compact frame size,the ABB XT1N 160 TMD125-1250 F F 3P boasts a significant rated ultimate short-circuit breaking capacity(Icu)of 36 kA at 415V AC.This high breaking capacity is critical for reliably interrupting large fault currents without damaging the circuit breaker itself,maintaining the integrity of the power distribution system.The equivalent rated service short-circuit breaking capacity(Ics)further highlights its ability to sustain repeated fault interruptions,providing exceptional reliability and minimizing downtime after an electrical fault.

Compact and Space-Saving Design:The ABB XT1N 160 TMD125-1250 F F 3P is engineered with a compact footprint,making it an ideal choice for installations where panel space is at a premium.Its optimized dimensions(76.2 mm width for 3 poles)allow for efficient use of switchboard real estate,simplifying panel design and reducing overall enclosure sizes.This compact nature does not compromise its performance,ensuring powerful protection in a streamlined form factor.

Fixed Configuration with Front Terminals:The”F F”designation signifies a fixed circuit breaker version with front terminals.This configuration offers straightforward and secure installation.The front-facing terminals simplify wiring connections,making installation and subsequent maintenance tasks more accessible and less time-consuming.This user-friendly design reduces labor costs and enhances the overall efficiency of electrical system setup and upkeep.

Versatile Application Across Voltages:The ABB XT1N 160 TMD125-1250 F F 3P is capable of operating with both AC(up to 690V)and DC(up to 500V)rated operational voltages.This broad voltage compatibility makes it a highly versatile solution,suitable for a wide range of power distribution and control applications,from industrial machinery to commercial building infrastructure,and even specific DC circuits.This flexibility allows for standardization across diverse electrical systems,simplifying inventory and engineering efforts.

Application Field

The ABB XT1N 160 TMD125-1250 F F 3P molded case circuit breaker is a fundamental device extensively applied across various sectors requiring robust and reliable electrical protection.Its design,focused on safeguarding against overloads and short circuits,makes it indispensable in numerous industrial and commercial environments.

In industrial process control and manufacturing facilities,the ABB XT1N 160 TMD125-1250 F F 3P is typically found within motor control centers(MCCs)and industrial control panels.Here,it provides essential protection for motors,pumps,fans,and other heavy machinery,ensuring that electrical faults do not lead to equipment damage or production downtime.Its ability to operate across a broad voltage range,including DC applications,makes it suitable for diverse industrial machinery.

For commercial buildings and infrastructure,including office complexes,shopping centers,and data centers,the ABB XT1N 160 TMD125-1250 F F 3P is deployed in main distribution boards and sub-distribution panels.It ensures the safe and continuous supply of power to critical loads such as lighting systems,HVAC units,and essential IT infrastructure,thereby enhancing building safety and operational continuity.The compact design allows for efficient use of space within crowded electrical rooms.

The ABB XT1N 160 TMD125-1250 F F 3P also plays a significant role in original equipment manufacturing(OEM).Manufacturers often integrate these MCCBs directly into their machines and equipment—ranging from specialized industrial machines to packaging lines and material handling systems—to provide built-in electrical protection before the equipment is deployed.This ensures the safety and compliance of the OEM equipment under various operating conditions.Furthermore,in power generation and distribution systems,particularly in the low-voltage sections,the ABB XT1N 160 TMD125-1250 F F 3P helps to isolate faults and protect transformers,generators,and cabling,contributing to the overall stability and reliability of the electrical grid.

Related Products

ABB XT1N 160 TMD100-1000 F F 3P:A similar model within the XT1N series,but with a different rated current(100A)and instantaneous short-circuit setting(1000A).

ABB XT1N 160 TMD160-1600 F F 3P:Another variant of the XT1N,offering a higher rated current of 160A and an instantaneous setting of 1600A,suitable for heavier loads.

ABB XT2N 160 TMD125-1250 F F 3P:This model is from the next frame size up(XT2),offering potentially higher breaking capacities or additional features while maintaining the same rated current and release type.

ABB XT1N 160 TMD125-1250 P P 3P:This denotes a plug-in version of the same circuit breaker,offering easier installation and replacement without rewiring,ideal for modular systems.

ABB XT1N 160 TMA125-1250 F F 3P:Features a different thermal-magnetic trip unit(TMA)which might have slight differences in adjustable ranges or characteristics compared to TMD.

ABB XT1N 160 Ekip M 160-1600 3P:An XT1N series MCCB equipped with an electronic trip unit(Ekip M)for more advanced protection functions,metering,and connectivity options.

ABB Tmax XT Series Accessories:This includes a range of supporting components such as auxiliary contacts,shunt trips,undervoltage releases,and motor operators,which can enhance the functionality and control capabilities of the ABB XT1N 160 TMD125-1250 F F 3P.

Installation and Maintenance

Pre-installation preparation:Before commencing the installation of the ABB XT1N 160 TMD125-1250 F F 3P,it is paramount to ensure that all relevant power sources are completely isolated and de-energized,following strict lockout/tagout procedures.Verify that the installation environment,such as the electrical panel or switchboard,is clean,dry,and free from any conductive dust or debris.Ensure that adequate space is available for mounting the fixed circuit breaker and for safe access to the front terminals for wiring.Review the wiring diagrams provided in the ABB product manual for the ABB XT1N 160 TMD125-1250 F F 3P to correctly identify the line and load connections for the three poles.Prepare the power cables by stripping the insulation to the recommended length and ensuring they are of the appropriate gauge to handle the rated current and fault conditions.

Maintenance recommendations:Regular maintenance of the ABB XT1N 160 TMD125-1250 F F 3P is crucial for ensuring its long-term reliability and optimal performance.Periodically conduct a visual inspection of the circuit breaker for any signs of physical damage,such as cracks in the casing,discoloration from overheating,or loose terminal connections.Ensure that all terminal screws are securely tightened to the specified torque values to prevent hotspots and potential failures.It is recommended to test the mechanical operation of the ABB XT1N 160 TMD125-1250 F F 3P by manually tripping it periodically using the test button,if available,or through its operating mechanism,to confirm that it moves freely and its contacts open cleanly.For thermal-magnetic releases like the TMD,excessive dust accumulation can affect its performance,so keep the area clean.While the TMD unit itself typically does not require calibration in the field,any abnormal tripping behavior should prompt further investigation by qualified personnel.Adhering to ABB’s recommended maintenance schedule and consulting the specific product manual for the ABB XT1N 160 TMD125-1250 F F 3P will help ensure its consistent protective function and extend its operational life.

Product Guarantee

At Shenzhen Changxin,we are deeply committed to providing industrial automation components of unparalleled quality and reliability,including the ABB XT1N 160 TMD125-1250 F F 3P molded case circuit breaker.We stand by our commitment that all products we supply are 100%original and genuine,procured directly or through rigorously verified authorized channels.This stringent procurement process guarantees that every ABB XT1N 160 TMD125-1250 F F 3P you receive adheres to the highest standards of manufacturing excellence,performance,and safety as stipulated by ABB.Our comprehensive product assurance includes extensive after-sales support,encompassing expert technical assistance for seamless integration,meticulous compatibility guidance for your existing electrical systems,and efficient troubleshooting services to decisively mitigate any potential operational downtime.Our dedicated team is fully equipped to provide a prompt and reliable supply of these critical components,enabling you to sustain the continuous and secure operation of your vital industrial and commercial electrical infrastructure.By choosing Shenzhen Changxin for your ABB XT1N 160 TMD125-1250 F F 3P needs,you are not merely acquiring a component;you are securing a steadfast partnership deeply invested in the enduring success and safety of your automation and power distribution investments.

Choose Shenzhen Changxin for worry-free after-sales service and high-quality products. We only cooperate with first-tier brand manufacturers in the industry. Our products are imported and comprehensive. We provide thoughtful pre-sales service, communicating multiple times with customers about product models, quality, prices, and delivery schedules to jointly confirm the solutions and address users’ concerns in advance. Business execution is in place, ensuring on-time delivery of ordered products and formulating a comprehensive delivery plan to guarantee the project schedule. We also assist users in handling acceptance procedures. Our after-sales service is impeccable. For any problems during the warranty period, we only replace, not repair. We never shirk responsibilities or pass the buck when encountering problems. Our service hotline is available 24/7: 18150087953