High-performance, three-pole circuit breaker with electronic, LS/I protection for reliable power distribution. Meets UL/CSA standards.
Product ModelXT4N 250 Dip Mea. LSIG R250 F F 3P
Material Number2TFC000825R1001
Product ID91544
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable PerformanceThe ABB XT4N 250 Dip Mea LSIG R250 FF 3P ensures reliable operation with its advanced electronic, LS/I protection mechanism, providing consistent performance in demanding electrical environments.
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2. Compliance with StandardsThis circuit breaker meets the stringent standards of UL and CSA, ensuring it is safe and reliable for use in a wide range of applications, from main low voltage switchboards to sub-switchboards.
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3. High Breaking CapacityWith a high breaking capacity of 18 kA, this circuit breaker can handle significant short-circuit currents, making it ideal for applications where high interrupting ratings are required.
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4. Compact DesignThe XT4N 250 Dip Mea LSIG R250 FF 3P features a compact design, allowing for efficient installation and reduced footprint in switchboards. Its dimensions (105 mm width, 160 mm height, and 82.5 mm depth) make it easy to integrate into various electrical systems.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Environmental Information
1SDL000190R0001
Product Net Width
105 mm
Product Net Height
160 mm
Product Net Depth / Length
82.5 mm
Product Net Weight
2.5 kg
Product Name
Moulded Case Circuit Breaker
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5. Versatile ApplicationsDesigned for power distribution, this circuit breaker is suitable for a variety of applications, including energy metering, motor protection, and generator protection. Its modularity allows for easy integration with supervision systems using Modbus communication modules.
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6. Maintenance-FriendlyThe XT4N 250 Dip Mea LSIG R250 FF 3P offers plug-in and withdrawable versions, speeding up maintenance operations. Additionally, it features a wide range of keylocks and padlocking options, ensuring secure and efficient maintenance access.
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7. Advanced Diagnostic CapabilitiesThis circuit breaker comes with advanced diagnostic features, providing ready-to-use information about its status. This enhances troubleshooting and reduces downtime, ensuring that electrical systems operate at optimal levels.
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8. Energy EfficiencyThe extraordinary limiting characteristics of the XT4N 250 Dip Mea LSIG R250 FF 3P allow for savings in copper and footprint in switchboards. Its high selectivity values ensure that circuits and equipment on the load side are sized optimally, reducing energy waste and improving overall system efficiency.
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9. Durable ConstructionBuilt with a durable frame size of XT4, this circuit breaker is designed to withstand the rigors of continuous operation. Its double-insulated construction ensures long-lasting performance and reliability in harsh electrical environments.
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10. Easy InstallationThe front-line and load-side connection type makes installation straightforward. The absence of lugs on the line and load side termination (top/bottom) simplifies the installation process, reducing the time and effort required to integrate the circuit breaker into the electrical system.
Product Type
CB
Version
F
Current Type
AC
Electrical Durability
8000 cycle 120 cycles per hour
Mechanical Durability
25000 cycle 240 cycles per hour
Number of Poles
3P
Power Loss
at Rated Operating Conditions per Pole 16.40 W
Rated Current (In)
250 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
690 V AC 750 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(220 V AC) 65 kA (230 V AC) 65 kA (240 V AC) 65 kA (380 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 36 kA (500 V AC) 30 kA (525 V AC) 20 kA (690 V AC) 10 kA (250 V DC) 2 Poles in Series 36 kA (500 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 36 kA
(220 V AC) 65 kA (230 V AC) 65 kA (240 V AC) 65 kA (380 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 36 kA (500 V AC) 30 kA (525 V AC) 20 kA (690 V AC) 10 kA (250 V DC) 2 Poles in Series 36 kA (500 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 36 kA
Rated Uninterrupted Current (Iu)
250 A
Release
Ekip Dip Measuring LSIG
Release Type
EL
Short-Circuit Performance Level
N
Standards
IEC 60947-2 GB/T 14028.2
Sub-type
XT4
Terminal Connection Type
Fixed Circuit-Breakers
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
