Why Choose the ABB EPX-A1C-080L1 A1N125 80A Circuit Breaker?
The ABB EPX-A1C-080L1 is an 80 A single-pole thermal-magnetic circuit breaker from the ABB Protecta Power Devices range. Featuring the A1N125 circuit-breaker designation, an LSC L1 configuration and a TMA trip unit, this device is intended for compatible low-voltage electrical distribution and circuit protection applications.
The ABB A1N125 80 A 1P TMA configuration combines thermal and magnetic protection principles to help protect electrical circuits against overloads and short-circuit faults. Its single-pole construction provides switching and overcurrent protection for one conductor in an appropriately designed electrical distribution system.
Identified by ABB order code 1SDA123186R1, the EPX-A1C-080L1 includes the manufacturer-specified LSC L1 arrangement. This precise configuration supports accurate product selection for compatible Protecta Power installations, helping electrical engineers and panel builders specify the correct device for their distribution assembly.
Key Advantages
- 80 A rated current for compatible low-voltage distribution circuits.
- A1N125 circuit-breaker designation within the ABB Protecta Power Devices range.
- Single-pole (1P) configuration for one-pole circuit protection.
- TMA thermal-magnetic trip unit combining overload and short-circuit protection principles.
- LSC L1 configuration as specified by ABB.
- Helps protect electrical conductors and equipment against overcurrent conditions.
- Supports integration into compatible electrical distribution boards and switchboard assemblies.
- Suitable for professional industrial and commercial electrical installations.
- Manufacturer-specific identification simplifies product selection and replacement.
- Designed for use in properly engineered low-voltage electrical protection systems.
Key Features
- ABB Protecta Power Devices circuit breaker.
- A1N125 circuit-breaker designation.
- 80 A rated current.
- 1P single-pole configuration.
- TMA thermal-magnetic trip unit.
- Thermal protection principle for sustained overload conditions.
- Magnetic protection principle for short-circuit fault conditions.
- LSC L1 manufacturer-specified arrangement.
- Suitable for compatible low-voltage distribution applications.
- Product model EPX-A1C-080L1.
- ABB manufacturer order code 1SDA123186R1.
Technical Specifications
- Manufacturer: ABB
- Product model: EPX-A1C-080L1
- ABB order code: 1SDA123186R1
- Product family: Protecta Power Devices
- ABB product group: Protecta Power Devices
- Circuit-breaker designation: A1N125
- Product type: Thermal-magnetic circuit breaker
- Rated current: 80 A
- Number of poles: 1
- Pole configuration: 1P (single-pole)
- Trip unit: TMA
- Trip technology: Thermal-magnetic
- Manufacturer configuration: LSC L1
- Overload protection principle: Thermal
- Short-circuit protection principle: Magnetic
- Primary application: Low-voltage electrical circuit protection
- Installation environment: Compatible electrical distribution boards and switchboard assemblies
Reliable Thermal-Magnetic Protection for 80A Distribution Circuits
Thermal-magnetic circuit breakers provide two complementary methods of overcurrent protection. The thermal element responds to sustained overloads that can cause excessive conductor heating, while the magnetic element responds rapidly to sufficiently high short-circuit currents. These protection principles help reduce the risk of damage to electrical circuits when the device is correctly selected, coordinated and installed.
The ABB EPX-A1C-080L1 applies this protection approach in an 80 A single-pole A1N125 configuration. Its TMA trip unit makes it suitable for appropriately designed low-voltage distribution circuits requiring thermal-magnetic overcurrent protection, while the LSC L1 designation identifies the specific manufacturer configuration.
The precise rated operational voltage, short-circuit breaking capacity, thermal and magnetic adjustment ranges, terminal configuration and installation requirements should be established from the applicable ABB technical documentation. The A1N125 designation alone should not be used to assume a particular breaking capacity or other unconfirmed electrical rating.
Typical Applications
- ABB Protecta Power electrical distribution assemblies.
- Low-voltage circuits requiring 80 A overcurrent protection.
- Single-pole electrical distribution circuit protection.
- Commercial building electrical distribution boards.
- Industrial electrical power distribution panels.
- Electrical installations requiring thermal-magnetic protection.
- Compatible main and sub-distribution switchboards.
- Professional electrical panel manufacturing and switchboard integration.
- Maintenance and replacement of correctly matched ABB circuit-breaker configurations.
