Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDX254947R1 ABB EPX-XT2S-TM1603 160A 3-Pole 50kA TMA MCCB
ABB EPX-XT2S-TM1603 is a 160 A three-pole moulded case circuit breaker from the Protecta Power Devices range, featuring a 50 kA breaking capacity at 415 V AC and adjustable TMA thermal-magnetic overload and short-circuit protection for low-voltage electrical distribution systems.
£697.01
Why Choose the ABB EPX-XT2S-TM1603 160A 3-Pole 50kA MCCB?
The ABB EPX-XT2S-TM1603 is a high-performance 160 A three-pole moulded case circuit breaker (MCCB) designed to provide dependable overload and short-circuit protection in low-voltage electrical distribution systems. Part of the ABB Protecta Power Devices range, this circuit breaker incorporates the proven ABB SACE Tmax XT2S160 platform, delivering reliable electrical protection for commercial buildings, industrial facilities and electrical infrastructure.
Equipped with an ABB TMA thermal-magnetic trip unit, the EPX-XT2S-TM1603 combines adjustable thermal overload protection with adjustable magnetic short-circuit protection. The thermal element responds to sustained excessive current, while the magnetic element provides rapid interruption of short-circuit faults. These complementary protection functions help safeguard electrical cables, switchgear and connected equipment while allowing protection characteristics to be configured according to installation requirements.
With a 160 A rated current, three-pole construction and 50 kA rated ultimate short-circuit breaking capacity at 415 V AC, this MCCB is suitable for demanding three-phase electrical distribution applications. Its compact XT2S160 frame, fixed-mounted construction and front terminal arrangement support integration into compatible ABB Protecta Power distribution boards and low-voltage switchgear assemblies.
Key Advantages
- 160 A rated current for commercial and industrial electrical distribution circuits.
- Three-pole configuration suitable for three-phase low-voltage electrical systems.
- 50 kA breaking capacity at 415 V AC provides substantial short-circuit fault-interruption capability.
- ABB TMA thermal-magnetic trip unit combines adjustable overload and short-circuit protection.
- Adjustable thermal protection helps protect electrical cables and connected equipment against sustained excessive current.
- Adjustable magnetic protection enables short-circuit trip characteristics to be matched to circuit requirements.
- Thermal adjustment range of 112–160 A provides flexibility when configuring overload protection.
- Magnetic adjustment range of 800–1600 A supports short-circuit protection coordination.
- ABB Tmax XT2S160 frame combines compact construction with robust electrical performance.
- 90 mm three-pole frame width supports efficient use of switchboard space.
- Designed for integration into compatible ABB Protecta Power distribution systems.
- Suitable for commercial, industrial and infrastructure electrical installations.
Key Features
- ABB Protecta Power Devices product range.
- ABB SACE Tmax XT2S160 moulded case circuit breaker platform.
- 160 A rated current.
- Three-pole (3P) construction.
- 50 kA rated ultimate short-circuit breaking capacity at 415 V AC.
- TMA thermal-magnetic trip unit.
- Adjustable thermal overload protection from 112–160 A.
- Adjustable magnetic short-circuit protection from 800–1600 A.
- XT2S160 frame with a maximum frame rating of 160 A.
- 90 mm three-pole frame width for compact electrical distribution assemblies.
- Fixed-mounted construction for suitable distribution board and switchgear installations.
- Front terminal connections for electrical conductor termination.
- Manual toggle operating mechanism with trip indication and reset capability.
- Three-pole switching and protection for three-phase electrical circuits.
- Designed for low-voltage electrical distribution applications.
- Compatible with appropriately selected ABB Tmax XT2 installation accessories.
Adjustable Thermal-Magnetic Protection for Electrical Distribution Systems
Moulded case circuit breakers such as the ABB EPX-XT2S-TM1603 protect electrical installations by automatically interrupting current during overload and short-circuit conditions. Its TMA thermal-magnetic trip unit provides adjustable thermal protection against sustained overcurrent and adjustable magnetic protection against short-circuit faults. The thermal setting range of 112–160 A and magnetic setting range of 800–1600 A allow protection characteristics to be configured according to the electrical circuit, conductor requirements and coordination with other protective devices.
The ABB SACE Tmax XT2 circuit breaker family is engineered for dependable performance in modern low-voltage electrical distribution assemblies. The EPX-XT2S-TM1603 is particularly suitable for installations requiring 160 A three-pole circuit protection and a 50 kA short-circuit breaking rating at 415 V AC. Circuit breaker selection should account for operating voltage, prospective fault current, conductor characteristics, load requirements and protective device coordination. Where the MCCB supplies a motor circuit, separate motor overload protection may also be required depending on the installation design.
Typical Applications
- Commercial and industrial electrical distribution boards.
- ABB Protecta Power distribution assemblies.
- Three-phase low-voltage electrical distribution systems.
- Main and sub-distribution switchboards.
- Industrial machinery supply circuits and electrical feeders.
- Manufacturing facilities and industrial workshops.
- Building services and commercial electrical infrastructure.
- Warehouses, logistics centres and production facilities.
- Industrial control panels requiring adjustable thermal-magnetic protection.
- Electrical distribution circuits requiring high short-circuit breaking capacity.
Technical Specifications
| Product group | Protecta Power Devices |
|---|---|
| Product series | SACE Tmax XT |
| Frame designation | XT2S160 |
| ABB order code | 1SDX254947R1 |
| Corresponding ABB circuit breaker reference | 1SDA067560R1 |
| Product type | Moulded case circuit breaker (MCCB) |
| Rated current (In) | 160 A |
| Number of poles | 3 |
| Rated ultimate short-circuit breaking capacity (Icu) | 50 kA at 415 V AC |
| Trip unit | TMA |
| Trip unit technology | Thermal-magnetic |
| Thermal overload protection setting | 112–160 A |
| Thermal adjustment | 0.7–1 × In |
| Magnetic short-circuit protection setting | 800–1600 A |
| Magnetic adjustment | 5–10 × In |
| Protection functions | Adjustable thermal overload and magnetic short-circuit protection |
| Frame family | XT2S160 |
| Maximum frame rating | 160 A |
| Rated operational voltage | Up to 690 V AC |
| Three-pole frame width | 90 mm |
| Mounting type | Fixed mounting |
| Terminal arrangement | Front terminals |
| Operating mechanism | Manual toggle operation |
| Application | Low-voltage three-phase electrical distribution |
| Installation | Compatible electrical distribution boards and switchgear assemblies |
| Applicable circuit breaker standard | IEC/EN 60947-2 |
Frequently Asked Questions
What is the ABB EPX-XT2S-TM1603 used for?
The ABB EPX-XT2S-TM1603 is a three-pole moulded case circuit breaker designed to protect low-voltage electrical distribution circuits against overloads and short circuits. It is suitable for appropriately designed commercial and industrial three-phase electrical installations.
What is the rated current of the EPX-XT2S-TM1603?
The circuit breaker has a 160 A rated current and uses the ABB Tmax XT2S160 frame, which has a maximum frame rating of 160 A. Its adjustable thermal protection setting ranges from 112–160 A.
What is the breaking capacity of the ABB EPX-XT2S-TM1603?
The EPX-XT2S-TM1603 has a rated ultimate short-circuit breaking capacity of 50 kA at 415 V AC. The applicable breaking capacity must be checked against the installation voltage and prospective short-circuit current before selection.
What protection does the TMA thermal-magnetic trip unit provide?
The ABB TMA thermal-magnetic trip unit provides adjustable thermal overload protection and adjustable magnetic short-circuit protection. For this 160 A configuration, the thermal adjustment range is 112–160 A, while the magnetic adjustment range is 800–1600 A.
Where is the ABB EPX-XT2S-TM1603 typically installed?
This MCCB is typically installed in low-voltage electrical distribution boards, industrial switchboards and compatible ABB Protecta Power assemblies. Its fixed-mounted construction, front terminal connections and compact 90 mm three-pole width support integration into suitable electrical distribution panels.
Trusted by Electrical Engineers and Industrial Installers Worldwide
ABB SACE Tmax XT moulded case circuit breakers are engineered to deliver dependable overload and short-circuit protection in modern electrical distribution systems. The ABB EPX-XT2S-TM1603 combines a 160 A rating, three-pole construction, 50 kA breaking capacity at 415 V AC and adjustable TMA thermal-magnetic protection in a compact solution for commercial, industrial and infrastructure power distribution applications.
