Overview
The Square D LM-6415 circuit breaker is a three-pole HACR (Heating, Air Conditioning, and Refrigeration) type unit rated at 50 amps. This molded case breaker delivers reliable overload and short-circuit protection for commercial and industrial electrical systems. The used condition unit has been inspected and tested for full operational functionality, making it an economical choice for system upgrades and replacements.
Key Features
- 50-amp current rating with three-pole configuration
- HACR type design for heating, air conditioning, and refrigeration applications
- Thermal-magnetic trip mechanism for reliable protection
- Molded case construction for durability and reliability
- Manual handle control with push-to-trip button for safe operation
- Surface-mounted installation
Technical Specifications
| Current Rating | 50 Amps |
| Number of Poles | 3 |
| Type | HACR (Heating, Air Conditioning, Refrigeration) |
| Breaker Class | Molded Case Circuit Breaker |
| Mounting Style | Surface Mount |
| Trip Mechanism | Thermal-Magnetic |
| Condition | Used, Tested and Functional |
| Manufacturer | Square D (Schneider Electric) |
Typical Applications
- HVAC equipment protection in commercial buildings
- Refrigeration and cold storage systems
- Industrial motor control circuits requiring HACR-rated protection
- Replacement breaker for existing three-phase electrical systems
- Energy management and distribution systems
Compatibility & Replacements
Compatible With
- Standard electrical panels rated for three-pole circuit breakers
- Three-phase AC systems at rated amperage
- HVAC control systems and equipment
- Refrigeration units and compressor systems
- Commercial and industrial switchgear
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Square D LM-6415 may serve as a replacement for similar three-pole 50-amp HACR-type breakers in the same electrical configuration.
Works With
- Square D electrical distribution systems
- Three-phase AC power systems (50/60 Hz)
- Industrial control panels and enclosures
- Motor starter circuits
- Thermal-magnetic protection schemes












