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1SDA080846R1 ABB XT1S 160 TMF 20-450 4-Pole Circuit Breaker
ABB 1SDA080846R1 is an XT1S 160 four-pole moulded case circuit breaker with a 20 A TMF thermomagnetic trip rating, 450 A magnetic threshold and fixed front-terminal construction.
£336.05
Why Choose the ABB XT1S 160 TMF 20-450 4-Pole Circuit Breaker?
The ABB XT1S 160 TMF 20-450 4p F F, order code 1SDA080846R1, is a compact and reliable moulded case circuit breaker (MCCB) designed for low-voltage power distribution and circuit protection. As part of the ABB SACE Tmax XT1 range, it combines a 160 A frame with a TMF thermomagnetic trip unit for dependable overload and short-circuit protection.
This XT1S breaker features a 4-pole configuration, fixed mounting and front terminals, making it suitable for integration into industrial and commercial switchboards. Its thermomagnetic release provides thermal overload protection together with magnetic short-circuit protection in a compact, self-contained circuit-breaker design.
With a 20 A rated current, 450 A magnetic protection threshold and an XT1S short-circuit performance level of 50 kA, the 1SDA080846R1 provides robust protection for low-voltage distribution circuits. The breaker supports rated operational voltages up to 690 V AC and 500 V DC.
Key Advantages
- Compact ABB SACE Tmax XT1 moulded case circuit breaker.
- 20 A rated current within a 160 A XT1 frame.
- TMF thermomagnetic release for overload and short-circuit protection.
- 450 A magnetic protection threshold.
- 4-pole configuration for low-voltage distribution systems.
- 50 kA short-circuit performance level.
- Fixed construction with front terminals for straightforward switchboard installation.
Key Features
- ABB SACE Tmax XT1S series.
- 160 A rated uninterrupted current (Iu).
- 20 A rated current (In).
- TMF thermomagnetic trip unit.
- 450 A magnetic trip threshold.
- 4-pole construction.
- 800 V rated insulation voltage (Ui).
- 8 kV rated impulse withstand voltage (Uimp).
- Fixed mounting with front terminals.
Reliable Circuit Protection for Low-Voltage Distribution
Moulded case circuit breakers such as the ABB Tmax XT1 protect electrical circuits and connected equipment against overload and short-circuit conditions. The TMF thermomagnetic release combines thermal overload protection with magnetic operation for rapid interruption when high fault currents occur.
The Tmax XT1 platform is designed for compact low-voltage distribution assemblies where dependable protection and efficient use of panel space are important. Its fixed construction and front-terminal arrangement make the XT1S 160 straightforward to incorporate into industrial and commercial electrical distribution systems.
Typical Applications
- Low-voltage power distribution boards.
- Industrial electrical switchboards.
- Commercial power distribution systems.
- Machinery and equipment feeder circuits.
- Three-phase distribution systems with neutral conductors.
- OEM control and power distribution panels.
Technical Specifications
| Series | SACE Tmax XT1 |
|---|---|
| ABB order code | 1SDA080846R1 |
| Product type | Moulded case circuit breaker |
| Frame size | XT1 160 |
| Performance level | S |
| Rated uninterrupted current (Iu) | 160 A |
| Rated current (In) | 20 A |
| Trip unit | TMF thermomagnetic |
| Magnetic trip threshold | 450 A |
| Number of poles | 4 |
| Short-circuit performance level | 50 kA |
| Rated insulation voltage (Ui) | 800 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Rated operational voltage | Up to 690 V AC / 500 V DC |
| Current type | AC / DC |
| Mounting | Fixed |
| Terminal arrangement | Front terminals |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA080846R1 used for?
It is a 4-pole moulded case circuit breaker designed to protect low-voltage electrical distribution circuits against overload and short-circuit faults.
What is the rated current of the XT1S 160 TMF 20-450?
This circuit breaker has a 20 A rated current and is built on the ABB XT1 frame with a rated uninterrupted current of 160 A.
What type of trip unit does the 1SDA080846R1 use?
It uses an ABB TMF thermomagnetic trip unit, providing thermal overload protection and magnetic short-circuit protection.
How many poles does this ABB Tmax XT breaker have?
The 1SDA080846R1 has four poles, making it suitable for low-voltage distribution systems requiring four-pole switching and protection.
How is the XT1S 160 TMF 20-450 installed?
This model is a fixed circuit breaker with front terminals, designed for installation in low-voltage switchboards and distribution panels.
Trusted ABB Low-Voltage Protection
ABB SACE Tmax XT moulded case circuit breakers are widely used in industrial and commercial electrical distribution systems for compact, dependable circuit protection and flexible switchboard integration.
