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ABB XT3N 250 4 pole Normal MCCB Adjustable Thermal/Fixed Magnetic Release In=125A Ii=400A
ABB 1SDA068261R1 XT3N 250 four-pole moulded case circuit breaker with 125 A thermomagnetic release, 400 A magnetic setting, fixed front terminals and fully rated neutral for industrial electrical protection.
£988.16
Why Choose the ABB XT3N 250 TMG 125-400 4P F F InN=100% Moulded Case Circuit Breaker?
The ABB 1SDA068261R1 is a robust moulded case circuit breaker (MCCB) from the trusted ABB SACE Tmax XT range, designed to provide dependable overload and short circuit protection in low voltage electrical distribution systems. Built for industrial and commercial installations, it helps protect equipment, cabling and power circuits against electrical faults.
This model features an XT3N 250 frame with a 125 A thermomagnetic release and 400 A magnetic setting. The four-pole fixed construction includes front terminal connections and a fully rated neutral pole (InN=100%), making it suitable for three-phase systems where neutral protection or full neutral switching is required.
Engineered for dependable performance in demanding environments, the ABB 1SDA068261R1 offers compact installation, proven ABB build quality and reliable circuit protection. It is ideal for switchboards, distribution panels, motor control centres, generator protection and OEM electrical equipment.
Key Advantages
- High quality ABB SACE Tmax XT moulded case circuit breaker.
- 125 A rated current with thermomagnetic protection.
- Four-pole fixed design with front terminal connections.
- Fully rated neutral pole (InN=100%) for enhanced system compatibility.
- Protects against overloads and short circuits.
- Compact XT3 frame supports efficient switchboard and panel design.
Key Features
- Manufacturer: ABB
- SACE Tmax XT3N 250 moulded case circuit breaker.
- Product ID: 1SDA068261R1.
- Rated current: 125 A.
- Four-pole (4P) configuration.
- Fully rated neutral: InN=100%.
- Thermomagnetic (TMG) trip unit.
- Fixed front terminals for secure installation.
Reliable Protection for Low Voltage Distribution Systems
The ABB SACE Tmax XT range is designed to deliver dependable circuit protection in compact, high-performance switchgear assemblies. The thermomagnetic release provides overload protection for sustained overcurrent conditions while the magnetic element responds quickly to short circuit faults.
With a fully rated neutral pole, the 1SDA068261R1 is particularly suitable for three-phase electrical installations where neutral integrity is important. Its fixed front terminal arrangement supports straightforward installation in distribution panels, switchboards and industrial control systems.
Typical Applications
- Industrial power distribution systems.
- Commercial electrical installations.
- Switchboards and distribution panels.
- Motor control centres.
- Generator and transformer protection.
- OEM machinery and automation panels.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Generator protection | |
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT3N 250 TMG 125-400 4P F F InN=100% | |
| Product ID | 1SDA068261R1 | |
| EAN | 8015644021672 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Frame size | XT3 | |
| Rated current (In) | 125 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Thermal setting range | 87.5 to 125 A | |
| Magnetic trip setting | 400 A | |
| Rated operational voltage | Up to 690 V AC / 500 V DC | |
| Breaking capacity | 36 kA at 415 V AC | |
| Frequency | 50 / 60 Hz | |
| Number of poles | 4 | |
| Neutral rating | Fully rated neutral, InN=100% | |
| Trip unit | Thermomagnetic (TMG) | |
| Terminal type | Fixed front terminals | |
| Mounting type | Fixed | |
| Standards | IEC 60947-2 | |
| Weight | Approx. 2.1 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the ABB 1SDA068261R1 used for?
It is a moulded case circuit breaker used to protect low voltage electrical circuits against overloads and short circuits in industrial and commercial installations.
What is the rated current of this MCCB?
The ABB 1SDA068261R1 has a rated current of 125 A.
What does InN=100% mean?
InN=100% means the neutral pole is fully rated, allowing it to carry the same rated current as the phase poles.
How many poles does this circuit breaker have?
This model has a four-pole (4P) configuration for three-phase systems requiring neutral switching or protection.
What type of trip unit is fitted?
It is fitted with a thermomagnetic (TMG) release, providing overload and magnetic short circuit protection.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax XT moulded case circuit breakers are trusted by panel builders, contractors and industrial engineers for dependable circuit protection, compact installation and long operational life.
