ABB XT4N 250 TMF 25-400 2P FF UL/CSA: Reliable 2-pole circuit breaker for safe and efficient power distribution, UL certified.
Product ModelXT4N 250 TMF 25-400 2p F F UL/CSA
Material Number1SDA080117R1
Product ID85926
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Reliability and DurabilityThe ABB XT4N 250 TMF 25-400 2P FF UL/CSA is designed to provide long-lasting performance, ensuring your electrical system operates smoothly and efficiently.
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2. UL CertificationThis circuit breaker meets the stringent safety standards of UL (Underwriters Laboratories), providing you with peace of mind and compliance with regulatory requirements.
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3. Efficient Power DistributionWith its advanced design, the XT4N 250 TMF 25-400 2P FF UL/CSA ensures efficient power distribution, minimizing energy loss and maximizing system performance.
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4. Easy InstallationThe front-terminal design makes installation quick and straightforward, reducing downtime and ensuring minimal disruption to your operations.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Environmental Information
9AKK108467A6707
Product Net Width
105 mm
Product Net Height
160 mm
Product Net Depth / Length
82.5 mm
Product Net Weight
2.05 kg
Circuit Breaker Type to be Associated
Power Distribution
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5. Versatile ApplicationSuitable for a wide range of applications, including industrial and commercial settings, this circuit breaker is a versatile solution for any electrical system requiring reliable protection.
Product Main Type
SACE Tmax XT
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Suitable for Product Class
SACE Tmax XT
Version
F
Current Type
AC/DC
Electrical Durability
120 cycles per hour 8000 cycle
Mechanical Durability
240 cycles per hour 25000 cycle
Number of Poles
2P
Opening Time
CB with SOR 15 ms CB with UVR 15 ms
Order Multiple
1 piece
Power Loss
at Rated Operating Conditions per Pole 2.7 W
Rated Current (In)
25 A
Rated Instantaneous Short-Circuit Current Setting (Ii)
400 A
Rated Operational Voltage
600 V AC 500 V DC
Rated Uninterrupted Current (Iu)
250 A
Rated Voltage (Ur)
600 V
Release
TMF
Release Type
TM
Setting Range
25 A
Short-Circuit Performance Level
N
Standards
UL489
Sub-type
XT4
Terminal Connection Type
Front
Interrupting Rating acc. to UL489
(240 V AC) 65 kA (480 V AC) 25 kA (600 V AC) 18 kA (250 V DC) 2 Poles in Series 35 kA (600 V DC) 3 Poles in Series 35 kA
ETIM 8
EC000228 - Power circuit-breaker for trafo/generator/installation protection
ETIM 9
EC000228 - Power circuit-breaker for trafo/generator/installation protection
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
