LHL36175 - 175 Amp Circuit Breaker

LHL36175 - 175 Amp Circuit Breaker

Secure your power system with the LHL36175 175 Amp circuit breaker, a dependable and efficient choice for demanding commercial and industrial settings. Featuring a three-pole, thermal-magnetic trip mechanism, this unit excels in protecting circuits from overloads and short circuits. It’s designed for unit-mount installation, so integration into existing panels is straightforward and clean. With breaking capacities of 25 kA at 600 V AC and 50 kA at 250 V DC, it’s built to hold up when things go wrong—keeping your system safe and downtime minimal.

Key Features and Benefits

• High current capacity: Rated at 175 amps—ideal for heavy-duty loads without overextending system limits.
• Thermal-magnetic trip design: Combines thermal protection for overloads with magnetic protection for sudden faults, offering fast and dependable response.
• Strong fault tolerance: Delivers 25 kA interruption at 600 V AC and 50 kA at 250 V DC—suited to tough conditions.
• Simple and compact installation: The unit-mount format keeps the layout tidy and simplifies mounting in your panel.
• Durable build: Crafted to handle continuous operation under challenging environments.
• Safe and efficient connections: Comes with lug terminals and meets a wide wire size range, making field wiring flexible and secure.

Technical Specifications

• Rated Current: 175 A
• Poles: 3
• Breaking Capacity: 25 kA @ 600 V AC / 50 kA @ 250 V DC
• Magnetic Hold Current: 875 A
• Magnetic Trip Current: 1,750 A
• Terminal Identifier: AL400LA
• Tightening Torque: 115.06 lbf·in (≈ 13 N·m)
• Wire Range (AC): 0.07 – 0.47 in (42 – 304 mm²) / AWG 1 to 600 kcmil
• Wire Range (DC): 0.07 – 0.20 in (42 – 127 mm²) / AWG 1 to 250 kcmil
• Dimensions (H × W × D): 11 in × 6 in × 5.84 in (279.4 mm × 152.4 mm × 148.3 mm)

Material Compliance and Certifications

• RoHS / REACh compliant: Free from restricted substances to support safer and more eco-friendly installations.
• “Green Premium” label: Reflects manufacturer’s transparency and environmental accountability.
• Certifications: IEC, CSA, and UL listings validate safety and performance standards.
• No mercury / no PVC / halogen-free: Helps reduce environmental impact and enhance user safety.

Where It Works Best

• Industrial plants: High current loads, large machinery, and fault tolerance demands.
• Large commercial facilities: Office buildings, malls, hotels with substantial power distribution needs.
• Sustainable / green builds: Projects requiring high environmental standards and component transparency.
• High fault / switching environments: Systems with frequent switching or possible fault currents.