XT4N250 DC TMA250 FF 4P

Name: XT4N250 DC TMA250 FF 4P
Brand: ABB
SKU: XT4N250 DC TMA250 FF 4P

The ABB XT4N250 DC TMA250 FF 4P is a robust, 4-pole molded case circuit breaker with a 250A rating, designed for reliable electrical protection in various applications. It features advanced thermal-magnetic protection and adjustable settings for optimal performance.

Product ModelXT4N250 DC TMA250 FF 4P

Material Number1SDA123588R1

Product ID92813

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Performance ProtectionThe ABB XT4N250 DC TMA250 FF 4P provides robust electrical protection with its advanced thermal-magnetic protection, ensuring reliable operation in demanding environments.
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2. Adjustable SettingsWith adjustable over-current and short-circuit pickup current settings, this circuit breaker can be tailored to meet specific application requirements, enhancing its versatility and effectiveness.
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3. High Breaking CapacityEquipped with a high breaking capacity of 65kA at 240V AC, this circuit breaker can handle severe short-circuit conditions, ensuring the safety of electrical systems.
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4. Ease of Installation and MaintenanceThe front terminal connection type and modular design make installation and maintenance straightforward, reducing downtime and improving overall efficiency.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

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

5. Advanced Metering CapabilitiesThe trip units in the XT4N250 DC TMA250 FF 4P are certified to measure electrical parameters with 1% accuracy, providing detailed insights into system performance and helping in effective energy management strategies.

Mechanical Durability

25000 cycle ;240 cycles per hour

Number of Poles

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

Short-Circuit Performance Level

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