ABB XT4N250 DC TMA250 FF 4P Circuit Breaker - High Performance and Reliability

Selling Points

1Designed to handle high currents and short-circuit events with a rated ultimate short-circuit breaking capacity of 36kA.
2Features a thermomagnetic release (TMA) for reliable operation in AC/DC applications.
3Constructed with front terminals and a robust design to withstand 240 cycles per hour and 25,000 cycles in total.
4Meets IEC standards and is certified for UL compliance, ensuring safety and reliability.
5Suitable for a wide range of applications including transformer, generator, and installation protection systems.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Product Net Width	140 mm	Product Net Height	160 mm
Product Net Depth / Length	82.5 mm	Product Net Weight	3.5 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	4P
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	1SDA123588R1

Specifications may be subject to change without notice