Why Choose the ABB EPX-XT2N-TM0164 16A 4-Pole 36kA MCCB?
The ABB EPX-XT2N-TM0164, order code 1SDX253695R1, is a 16 A, 4-pole moulded-case circuit breaker (MCCB) with a specified 36 kA breaking capacity and TMA thermomagnetic trip unit. Part of the ABB Protecta Power Devices range, this circuit breaker provides overload and short-circuit protection for compatible low-voltage electrical distribution applications.
Associated with the ABB Tmax XT2N circuit breaker family, the EPX-XT2N-TM0164 combines thermomagnetic protection technology with a four-pole switching configuration. Its 16 A current rating makes it suitable for consideration in appropriately designed lower-current distribution circuits, while its four-pole arrangement supports installations requiring coordinated switching of four conductors.
The EPX-XT2N-TM0164 is identified by the manufacturer's description 16A 4P 36kA MCCB - TMA. These specifications help electrical engineers, panel builders and maintenance professionals select a suitable circuit breaker for compatible ABB Protecta Power distribution equipment. Final selection must account for operating voltage, prospective fault current, conductor ratings, protection coordination and the applicable ABB technical documentation.
Key Advantages
- 16 A rated current for compatible low-voltage electrical distribution circuits.
- 4-pole configuration for applications requiring coordinated four-pole switching.
- 36 kA breaking capacity designation for installations with appropriately assessed short-circuit fault levels.
- TMA thermomagnetic trip unit providing thermal overload and magnetic short-circuit protection functions.
- Associated with the established ABB Tmax XT2N moulded-case circuit breaker family.
- Part of the ABB Protecta Power Devices product range.
- Combines circuit protection and switching functionality within a single MCCB.
- Supports integration into compatible electrical distribution assemblies.
- Provides a clearly identified ABB device for professional specification, procurement and replacement.
Key Features
- ABB EPX-XT2N-TM0164 product designation.
- ABB order code: 1SDX253695R1.
- Product range: Protecta Power Devices.
- Circuit breaker family: Tmax XT2N.
- Device type: Moulded-case circuit breaker (MCCB).
- Rated current: 16 A.
- Number of poles: 4.
- Pole configuration: 4P.
- Breaking capacity designation: 36 kA.
- Trip unit: TMA thermomagnetic.
- Provides thermal overload and magnetic short-circuit protection functions.
- Designed for compatible low-voltage electrical distribution applications.
- Suitable for professional electrical panel building and distribution equipment integration.
Technical Specifications
- Manufacturer: ABB
- Product designation: EPX-XT2N-TM0164
- ABB order code: 1SDX253695R1
- Product range: Protecta Power Devices
- Associated circuit breaker family: ABB Tmax XT2N
- Product type: Moulded-case circuit breaker
- Device abbreviation: MCCB
- Rated current: 16 A
- Number of poles: 4
- Pole configuration: 4P
- Breaking capacity designation: 36 kA
- Trip unit designation: TMA
- Trip unit technology: Thermomagnetic
- Protection functions: Overload and short-circuit protection
- Manufacturer product description: EPX-XT2N-TM0164 16A 4P 36kA MCCB - TMA
- Application: Low-voltage electrical distribution circuit protection and switching
Technical selection note: The manufacturer's supplied description specifies a 36 kA breaking capacity but does not identify the associated operating voltage or whether this value represents ultimate short-circuit breaking capacity (Icu) or service short-circuit breaking capacity (Ics). The applicable ratings, trip adjustment ranges and installation requirements must be confirmed against the exact ABB technical documentation.
Thermomagnetic Circuit Protection for Low-Voltage Distribution
Moulded-case circuit breakers are important components in electrical distribution systems, providing protection against excessive current and enabling circuit switching. Correctly selected MCCBs help protect conductors and connected electrical equipment against overload and short-circuit conditions within their specified operating limits.
The ABB EPX-XT2N-TM0164 incorporates a TMA thermomagnetic trip unit. Thermomagnetic protection combines a thermal element for overload protection with a magnetic element for short-circuit protection. These complementary functions help provide protection against different overcurrent conditions within a single circuit breaker.
The 16 A current rating and 4-pole configuration make the EPX-XT2N-TM0164 relevant to compatible electrical distribution circuits requiring a four-pole protective device. Its 36 kA breaking capacity designation is an important consideration when assessing the prospective short-circuit current at the installation point. The stated breaking capacity must be verified at the intended operating voltage.
As part of the ABB Protecta Power Devices range, the EPX-XT2N-TM0164 can be considered for compatible industrial and commercial electrical distribution assemblies. Circuit breaker selection must account for conductor sizing, supply characteristics, earthing arrangements, protective coordination and installation requirements. The exact TMA adjustment characteristics, neutral-pole protection configuration and electrical performance should be confirmed using ABB documentation for order code 1SDX253695R1.
Typical Applications
- Compatible ABB Protecta Power electrical distribution assemblies.
- Low-voltage distribution circuits requiring 16 A protection.
- Electrical installations specifying a 4-pole MCCB.
- Industrial electrical distribution panels.
- Commercial building power distribution systems.
- Sub-distribution boards and feeder protection arrangements.
- Electrical control panel incoming and outgoing circuits.
- Compatible three-phase distribution arrangements requiring four-pole switching.
- Electrical distribution equipment requiring thermomagnetic circuit protection.
- OEM electrical panel building and switchgear assembly.
- Electrical distribution system refurbishment and maintenance.
- Replacement of compatible ABB Tmax XT2N circuit breakers.
