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.
1SDX254925R1 ABB EPX-XT1S-TM1003 100 A 3-Pole 50 kA TMA Moulded Case Circuit Breaker
ABB EPX-XT1S-TM1003 is a 100 A three-pole XT1S moulded case circuit breaker with a specified 50 kA breaking capacity and TMA thermomagnetic protection for compatible low-voltage electrical distribution applications.
£403.05
Why Choose the ABB EPX-XT1S-TM1003 100 A 3-Pole 50 kA MCCB?
The ABB EPX-XT1S-TM1003, order code 1SDX254925R1, is a 100 A, 3-pole moulded case circuit breaker (MCCB) featuring a specified 50 kA breaking capacity and TMA thermomagnetic protection. Based on the ABB XT1S circuit breaker platform, this device belongs to the ABB Protecta Power Devices product group and is intended for low-voltage electrical distribution applications.
The EPX-XT1S-TM1003 combines circuit switching with protection against overload and short-circuit conditions. Its TMA thermomagnetic trip unit uses thermal protection for overload conditions and magnetic protection for short-circuit faults, helping protect appropriately designed electrical distribution circuits and connected equipment.
With its 100 A rated current, three-pole configuration and 50 kA specified breaking capacity, the ABB EPX-XT1S-TM1003 provides a circuit protection solution for compatible three-phase power distribution systems. Its XT1S construction and Protecta Power Devices designation support integration into suitably configured commercial and industrial electrical assemblies.
Key Advantages
- 100 A rated current for compatible low-voltage electrical distribution circuits.
- 3-pole configuration for three-phase electrical applications.
- 50 kA specified breaking capacity for short-circuit protection requirements.
- TMA thermomagnetic trip unit combining thermal and magnetic protection functions.
- Based on the established ABB XT1S moulded case circuit breaker platform.
- Provides protective tripping and manual circuit switching in one device.
- Moulded case construction supports integration into compatible electrical panels.
- Associated with the ABB Protecta Power Devices range.
- Suitable for appropriately designed industrial and commercial distribution assemblies.
Key Features
- ABB EPX-XT1S-TM1003 moulded case circuit breaker.
- XT1S circuit breaker series.
- 100 A nominal current rating.
- 3-pole circuit breaker construction.
- 50 kA specified breaking capacity.
- TMA thermomagnetic protection unit.
- Thermal overload protection functionality.
- Magnetic short-circuit protection functionality.
- Manual circuit switching and automatic protective tripping.
- Designed for compatible low-voltage electrical distribution assemblies.
- Part of the ABB Protecta Power Devices product group.
- Manufacturer order code 1SDX254925R1.
Technical Specifications
- Manufacturer: ABB
- Product group: Protecta Power Devices
- Circuit breaker series: XT1S
- Model: EPX-XT1S-TM1003
- ABB order code: 1SDX254925R1
- Product type: Moulded case circuit breaker (MCCB)
- Rated current: 100 A
- Number of poles: 3
- Specified breaking capacity: 50 kA
- Trip unit: TMA
- Protection technology: Thermomagnetic
- Overload protection: Thermal
- Short-circuit protection: Magnetic
- Circuit application: Three-phase low-voltage distribution
- Associated product range: ABB Protecta Power Devices
- Installation: Compatible electrical distribution assemblies
Thermomagnetic Circuit Protection for Three-Phase Electrical Distribution
Moulded case circuit breakers provide essential protection in electrical distribution systems by interrupting circuits under specified overload and short-circuit conditions. The ABB EPX-XT1S-TM1003 incorporates TMA thermomagnetic protection, using thermal and magnetic tripping principles to protect compatible electrical circuits against excessive current.
The ABB XT1S platform supports low-voltage power distribution applications where dependable circuit switching and fault protection are required. With a 100 A current rating, three-pole construction and 50 kA specified breaking capacity, the EPX-XT1S-TM1003 can be selected for suitable three-phase distribution arrangements. The applicable operating voltage, short-circuit breaking capacity at that voltage, protection settings and coordination with other protective devices must be confirmed during installation design.
Typical Applications
- ABB Protecta Power electrical distribution assemblies.
- Industrial three-phase power distribution systems.
- Commercial building electrical distribution boards.
- Low-voltage switchboards and control panels.
- Electrical feeder and distribution circuit protection.
- Three-phase equipment supply circuits requiring suitable 100 A protection.
- Electrical panel manufacturing and switchboard assembly projects.
- Maintenance and replacement of compatible XT1S thermomagnetic MCCBs.
Frequently Asked Questions
What is the ABB EPX-XT1S-TM1003 used for?
The ABB EPX-XT1S-TM1003 is a 100 A, 3-pole moulded case circuit breaker designed to provide overload and short-circuit protection in compatible low-voltage electrical distribution systems.
What is the rated current of the EPX-XT1S-TM1003?
The ABB EPX-XT1S-TM1003 has a specified rated current of 100 A.
How many poles does the EPX-XT1S-TM1003 have?
The EPX-XT1S-TM1003 has three poles, making it suitable for appropriately designed three-phase electrical distribution circuits.
What is the breaking capacity of the ABB EPX-XT1S-TM1003?
The circuit breaker has a specified breaking capacity of 50 kA. The applicable voltage and short-circuit rating conditions should be checked against the relevant ABB technical documentation.
What does TMA mean on the EPX-XT1S-TM1003?
TMA identifies the thermomagnetic trip unit. It combines thermal protection against overload conditions with magnetic protection against short-circuit faults.
Which ABB circuit breaker series does this product belong to?
The EPX-XT1S-TM1003 is based on the ABB XT1S moulded case circuit breaker series.
Is the EPX-XT1S-TM1003 suitable for three-phase systems?
Yes. Its 3-pole configuration is suitable for compatible three-phase distribution applications, provided the electrical ratings, fault levels and installation requirements are appropriate.
What protection functions does the EPX-XT1S-TM1003 provide?
The breaker provides thermal overload protection and magnetic short-circuit protection through its TMA thermomagnetic trip unit.
What is the ABB order code for the EPX-XT1S-TM1003?
The ABB manufacturer order code is 1SDX254925R1, corresponding to the EPX-XT1S-TM1003 100 A, 3-pole, 50 kA TMA moulded case circuit breaker.
Can the EPX-XT1S-TM1003 be installed in any electrical distribution board?
The EPX-XT1S-TM1003 should be installed only in compatible electrical distribution assemblies with appropriate mounting arrangements, electrical connections and protective coordination, following the applicable ABB installation instructions.
Trusted by Electrical Contractors and Power Distribution Professionals
ABB moulded case circuit breaker technology supports professional low-voltage electrical distribution installations. The EPX-XT1S-TM1003 combines a 100 A current rating, three-pole configuration, 50 kA specified breaking capacity and TMA thermomagnetic protection within the XT1S platform, providing electrical contractors, panel builders and maintenance engineers with a clearly identified circuit protection solution for compatible Protecta Power applications.
