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ABB XT3N 250 3 pole Normal MCCB Fixed Thermal/Adjustable Magnetic Release In=125A Ii=1250A
ABB 1SDA068056R1 Tmax XT3N 250 moulded case circuit breaker, a 125 A three pole fixed MCCB with front terminals and TMD thermomagnetic release for industrial and commercial low-voltage circuit protection.
£381.62
Why Choose the ABB 1SDA068056R1 Tmax XT3N 250 Circuit Breaker?
The ABB 1SDA068056R1 is a reliable Tmax XT3N 250 moulded case circuit breaker designed for dependable protection of industrial and commercial low-voltage electrical distribution systems. As part of the ABB SACE Tmax XT circuit breaker range, it provides robust overload and short-circuit protection in a compact three-pole fixed configuration.
This circuit breaker is fitted with a TMD thermomagnetic release, offering thermal overload protection and magnetic short-circuit protection for AC and DC applications. Its adjustable current setting range makes it suitable for switchboards, machinery panels, distribution boards and equipment feeders where reliable circuit protection is required.
With a rated current of 125 A, an instantaneous short-circuit setting of 1250 A and a breaking capacity of 36 kA at 415 V AC, the ABB 1SDA068056R1 is ideal for low-voltage installations requiring compact, efficient and dependable protection. The three-pole fixed design with front terminals supports straightforward installation inside electrical panels and distribution assemblies.
Key Advantages
- Reliable ABB Tmax XT3N moulded case circuit breaker.
- 125 A rated current for industrial and commercial electrical protection.
- 36 kA breaking capacity at 415 V AC.
- TMD thermomagnetic release for overload and short-circuit protection.
- Three-pole fixed configuration with front terminals.
- Compact construction suitable for switchboards, control panels and distribution systems.
Key Features
- ABB SACE Tmax XT series.
- XT3N 250 frame size.
- 125 A rated current.
- Three-pole moulded case circuit breaker.
- TMD thermomagnetic release.
- Thermal and magnetic protection functions.
- Fixed mounting design with front terminals.
- Suitable for AC and DC low-voltage distribution applications.
Reliable Protection for Low-Voltage Electrical Systems
Moulded case circuit breakers such as the ABB Tmax XT3N are used to protect low-voltage electrical circuits against overloads and short circuits. By disconnecting the circuit during fault conditions, they help prevent cable overheating, equipment damage and disruption to connected systems.
The ABB 1SDA068056R1 combines compact construction with thermomagnetic protection, making it suitable for panel builders, electrical contractors and industrial engineers. Its fixed three-pole arrangement is ideal for three-phase distribution systems requiring dependable protection in a space-efficient format.
Typical Applications
- Industrial low-voltage distribution boards.
- Commercial switchboards and panelboards.
- Machinery and automation control panels.
- Three-phase circuit protection applications.
- Motor feeder and equipment protection.
- OEM electrical assemblies and switchgear systems.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT3N 250 TMD 125-1250 3p F F | |
| Product ID | 1SDA068056R1 | |
| Product type | Moulded case circuit breaker | |
| Rated current | 125 A | |
| Frame size | XT3N 250 | |
| Number of poles | 3-pole | |
| Trip unit | TMD thermomagnetic release | |
| Setting range | 87.5...125 A | |
| Instantaneous short-circuit setting | 1250 A | |
| Breaking capacity | 36 kA at 415 V AC | |
| Rated operational voltage | 690 V AC / 500 V DC | |
| Rated insulation voltage | 800 V | |
| Rated impulse withstand voltage | 8 kV | |
| Frequency | 50 / 60 Hz | |
| Mounting type | Fixed | |
| Terminal connection | Front terminals | |
| EAN | 8015644019273 | |
| Dimensions (H × W × D) | approx. 150 × 105 × 70 mm | |
| Weight | approx. 1.7 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the ABB 1SDA068056R1 used for?
The ABB 1SDA068056R1 is used to provide overload and short-circuit protection in low-voltage industrial and commercial electrical distribution systems.
What current rating does this circuit breaker have?
This Tmax XT3N circuit breaker has a rated current of 125 A.
How many poles does the ABB 1SDA068056R1 have?
The circuit breaker has a three-pole configuration, making it suitable for three-phase electrical systems.
What trip unit is fitted to this breaker?
It is fitted with a TMD thermomagnetic release, providing thermal overload and magnetic short-circuit protection.
Where is this circuit breaker typically installed?
It is typically installed in switchboards, distribution panels, control panels and industrial electrical assemblies.
Trusted by Electrical Engineers Worldwide
ABB Tmax XT moulded case circuit breakers are widely used by panel builders, electrical contractors and industrial engineers for reliable low-voltage protection in demanding electrical installations.
