描述
The ABE 53b 3P is an economic 3-pole molded case circuit breaker (MCCB) from the Meta-MEC series of LS Electric (formerly LG Industrial Systems, Korea). Designed for low-voltage power distribution systems, it delivers reliable overload and short-circuit protection, making it a cost-effective replacement for aging circuit breakers in industrial, commercial, and residential applications.
| Model | Rated Current (In) | Pole | Frame Size | Breaking Capacity (AC 440V) |
|---|---|---|---|---|
| ABE 53b 15A | 15A | 3P | 50AF | 5kA~7.5kA |
| ABE 53b 20A | 20A | 3P | 50AF | 5kA~7.5kA |
| ABE 53b 30A | 30A | 3P | 50AF | 5kA~7.5kA |
| ABE 53b 40A | 40A | 3P | 50AF | 5kA~7.5kA |
| ABE 53b 50A | 50A | 3P | 50AF | 5kA~7.5kA |
Model Number Explanation
- ABE: Economic MCCB product series
- 5: Frame size 50AF (max rated current 50A)
- 3: 3-pole design for 3-phase circuits
- b: Product design revision
- 3P: 3-pole structure, compatible with 3-phase 3-wire/4-wire distribution systems
Key Technical Parameters
- Rated Operating Voltage (Ue): AC 600V / DC 250V
- Rated Insulation Voltage (Ui): 690V
- Rated Frequency: 50/60Hz
- Trip Characteristic: Thermal-magnetic (thermal overload + magnetic instantaneous trip), non-adjustable
- Protection Functions: Overload protection, short-circuit protection
- Installation: Front panel connection, standard DIN rail mounting
- Certifications: CE, CCC, KEMA and other international/national authoritative certifications
- Housing Material: High-temperature resistant, flame-retardant engineering plastic for durability
Product Advantages
✅ Compact Design: Modular, space-saving structure fits standard electrical cabinets without modification
✅ Reliable Operation: Manual ON/OFF operation with clear status indication to prevent misoperation
✅ Precise Protection: Thermal-magnetic trip mechanism responds quickly to overload and short-circuit faults, protecting downstream equipment and wiring
✅ Universal Compatibility: Standard wiring and mounting dimensions allow direct replacement for same-spec MCCBs from other brands
✅ Wide Range of Ratings: Covers 15A-50A common current ratings to meet diverse distribution circuit protection needs
Application Scenarios
- Overload and short-circuit protection for main/branch circuits in low-voltage distribution systems
- Circuit protection for small motors, fans, pumps and other power equipment
- Safety protection for lighting systems and control circuits
- Distribution renovation and new construction projects in industrial plants, commercial buildings and residential areas
- Replacement and upgrade of obsolete same-spec circuit breakers
Selection & Replacement Guide
- Rated current: Match the load current of the circuit (15A/20A/30A/40A/50A)
- Pole: 3P for 3-phase circuits
- Breaking capacity: Select according to the short-circuit current at the installation location
- Installation method: Standard front connection, compatible with conventional distribution cabinets
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