LH36125 - 125 Amp Circuit Breaker

LH36125 - 125 Amp Circuit Breaker

The LH36125 is a high-capacity, three-pole thermal-magnetic circuit breaker engineered for commercial and heavy industrial environments. Rated for 125 A, it is designed to deliver dependable protection while fitting seamlessly into I-Line mounting systems. Built with precision, the LH36125 gives you the assurance that your electrical systems remain safeguarded against faults and overloads, without fuss.

Key Features and Benefits

• 125 Amp Current Rating: Ideal for medium to heavy loads in industrial panels.
• Efficient Fault Interruption: 25 kA at 600 VAC and 50 kA at 250 VDC means fast response to short circuits.
• Thermal-Magnetic Trip Unit: Offers overload protection via the thermal element and instantaneous protection via the magnetic element.
• I-Line Mounting Format: Plug-in style simplifies installation and reduces panel rework.
• Push-to-Trip Button: Lets you manually test the mechanism without exposing live parts.
• Sustainable Design: Carries Schneider’s Green Premium labeling and meets strict environmental standards.

These features make the LH36125 far easier to work with in the field, reduce downtime, and boost safety margins in demanding electrical installations.

Technical Specifications

• Product Type: Molded-case circuit breaker
  
• Poles: 3
  
• Trip Technology: Thermal-magnetic
  
• Line Current (Rated): 125 A
  
• Interrupting Capacity:
  • 25 kA @ 600 VAC
  • 50 kA @ 250 VDC
• Magnetic Hold Current: 625 A
  
• Magnetic Trip Current: 1,250 A
  
• Mounting Mode: I-Line plug-in
  
• Electrical Connections: Lugs (load) and I-Line (line)
  
• Dimensions (H × W × D):
  • 12.5 in × 6 in × 4 in (317.5 mm × 152.4 mm × 101.6 mm)
• Wire Size Capacity: AWG 1 to 600 kcmil (larger), AWG 1 to 250 kcmil (smaller)
  
• Tightening Torque: 115.06 lbf·in (≈ 13 N·m)
  

Material Compliance and Certifications

• RoHS / REACh Compliant: Meets current restrictions on hazardous substances.
• UL Listed & CSA Certified: Conforms to North American safety standards.
• Halogen-Free, PVC-Free, Mercury-Free: Designed to minimize environmental and health risk.
• California Proposition 65 Warning: Contains chemicals (e.g. DINP, DIDP) known to the State of California to cause cancer or reproductive harm; users should follow safety protocols when handling.
• Environmental Disclosure / Lifecycle Reporting: Schneider provides lifecycle CO₂ footprint and material transparency data.

These certifications and disclosures affirm that the LH36125 not only protects your electrical systems, but also aligns with regulatory and sustainability commitments.

Where It Works Best

• The LH36125 is especially suitable for power distribution in commercial buildings, factories, data centers, and other facilities that demand robust, high-fault capacity protection. Because of its 3-pole configuration and I-Line design, it fits directly into many existing panel systems, making upgrades easier. Use it wherever you need to safeguard three-phase circuits—especially in settings where quick, safe fault interruption is critical. In short, if your operation demands high performance, solid protection, and dependable long-term service, this breaker is a top contender.