XT4N DC 160 TMD125 FF 4P

Name: XT4N DC 160 TMD125 FF 4P
Brand: ABB
SKU: XT4N DC 160 TMD125 FF 4P

The ABB XT4N 160 TMD 125-1250 4P DC circuit breaker is a high-performance, four-pole device designed for reliable power distribution. It features a thermomagnetic release (TMD) and is rated for 160 A with a short-circuit breaking capacity of up to 36 kA.

Product ModelXT4N DC 160 TMD125 FF 4P

Material Number1SDA127158R1

Product ID88451

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. High Current RatingThe XT4N 160 TMD 125-1250 4P DC circuit breaker is rated for 160 A, making it suitable for high-current applications in power distribution systems.
2
2. Enhanced SafetyWith a short-circuit breaking capacity of up to 36 kA, this circuit breaker ensures safe and efficient operation, protecting against electrical overloads and short circuits.
3
3. Thermomagnetic Release (TMD)The TMD mechanism provides reliable and fast tripping in case of an electrical fault, ensuring minimal downtime and maximum safety.
4
4. Versatile ApplicationDesigned for both AC and DC applications, this circuit breaker is versatile and can be used in various power distribution scenarios, including transformer and generator installations.

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. Compliance with StandardsThe XT4N 160 TMD 125-1250 4P DC circuit breaker complies with IEC standards and is CE certified, ensuring it meets the highest safety and performance requirements.

Mechanical Durability

25000 cycle 240 cycles per hour

Number of Poles

Power Loss

at Rated Operating Conditions per Pole 7.40 W

Rated Current (In)

125 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

TMD

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

1SDA127158R1