XT4N250 DC TMA250 FF 3P

Product ID:92393
Updated: 2026/4/4
ABB XT4N250 DC TMA250 FF 3P

Key Features

  • 1Withstand 120 cycles per hour and up to 8000 cycles. 2、Operate 240 cycles per hour and up to 25,000 cycles. 3、Ideal for power distribution with a short-circuit current setting of 2500A. 4、Reduce power loss to 16.4 W per pole at rated conditions. 5、Meet UL and CSA standards for safety and reliability.
Product Details
XT4N250 DC TMA250 FF 3P
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
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
Product Type
CB
Version
F
Current Type
DC
Mechanical Durability
25000 cycle ;240 cycles per hour
Number of Poles
3P
Power Loss
at Rated Operating Conditions per Pole 16.44 W
Rated Current (In)
250 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
750 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(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 (750 V DC) 3 Poles in Series 25 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(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 (750 V DC) 3 Poles in Series 25 kA
Rated Uninterrupted Current (Iu)
250 A
Release
TMA
Release Type
TM
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)
Manufacturer ID
1SDA123586R1

Specifications may be subject to change without notice