JJA36175 - 175 Amp Circuit Breaker

JJA36175 - 175 Amp Circuit Breaker

Meet the JJA36175 – a high-performance 175 A, 3‑pole molded‑case circuit breaker from the PowerPact J series by Schneider Electric. Built to protect critical electrical systems, this I‑Line mounted unit delivers reliable thermal‑magnetic trip protection, simplifies panel installation and helps safeguard your commercial or industrial setup from overloads and short‑circuit events. With its generous interrupt capacity and compatibility with I‑Line panelboards, it’s the dependable choice when you need both performance and flexibility in one compact breaker.

Key Features and Benefits

• Thermal‑magnetic sensing in each pole: Delivers accurate overload and short‑circuit protection—ideal for safeguarding vital equipment and extending system lifespan.
• High interrupt rating: 25 kA at 600 VAC, 65 kA at 480 VAC, up to 100 kA at 240 VAC ensures the breaker can handle substantial fault currents without compromise.
• I‑Line mounting design: Supports fast, secure installation in compatible panelboards and switchboards—minimizing downtime while maximizing adaptability.
• 80 % continuous current rating and 175 A fixed nominal current: Provide strong capacity for demanding loads.
• Dual‑break rotating contacts: Help reduce peak current during faults, enhancing safety and reducing stress on downstream equipment.

Technical Specifications

• Current Rating: 175 A
• Voltage Rating (AC): Up to 600 VAC system
• Interrupting Capacity:
  • 25 kA at 600 VAC
  • 65 kA at 480 VAC
  • 100 kA at 240 VAC
• Trip Unit Technology: Thermal‑magnetic
• Mounting Type: I‑Line bracket with plug‑in line side and mechanical lugs on load side
• Dimensions:
  • Height: ≈ 7.52 in (191 mm)
  • Width: ≈ 4.09 in (104 mm)
  • Depth: ≈ 3.39 in (86 mm)
• Weight: Approx. 5.29 lb (2.4 kg)

Material Compliance and Certifications

• Industry Standards: This breaker meets a full suite of standards including UL 489, CSA, NOM and IEC 60947‑2. It is CE marked and incorporates design elements in line with RoHS and REACh environmental requirements, ensuring responsible material usage and disposal practices.

Where It Works Best

• The JJA36175 is especially well‑suited for commercial and industrial installations where dependable protection of electrical feeders and machinery matters most. For example: large panelboards, switchboards, significant motor loads, HVAC systems, or retrofit scenarios where ease of installation and high interrupt capacity are required. Whether you're upgrading an existing distribution centre, handling a high‑fault‑current environment, or designing a new plant layout, this breaker is built to perform and support your system’s reliability.