MAL36400 - 400 Amp Circuit Breaker

MAL36400 - 400 Amp Circuit Breaker

Make your electrical installations safer and more reliable with the Schneider Electric/Square D MAL36400 molded-case breaker. Engineered for demanding settings, this circuit breaker steps in when your systems face overloads or short circuits, helping prevent downtime or equipment damage. With a 400 A rating and 600 V capacity, the MAL36400 is a top choice for industrial panels, commercial switchgear, and high-power infrastructure. The device also supports feed-through connections, reducing wiring complexity in large installations.

Key Features and Benefits

• High current capacity: Rated for 400 A continuous operation, ready for heavy loads.
• Broad voltage compatibility: Supports up to 600 V AC and is suitable across multi-phase systems.
• Thermal-magnetic protection: Combines overload (thermal) and short-circuit (magnetic) response in each pole.
• Feed-through / lug-to-lug terminations: Permits easy daisy-chain wiring and simplifies installation.
• LI trip functions: Offers both long-time and instantaneous trip characteristics to better protect sensitive circuits.
• Space-efficient form factor: Designed for compact fit in panel layouts.
• Proven brand backing: Built by Schneider Electric / Square D, known for quality and reliability in electrical gear.

Technical Specifications

• Current rating: 400 A
• Voltage rating: 600 V AC (50/60 Hz)
• Poles: 3
• Interrupting / fault current capacity: 30 kA @ 480 V (typical)
• Protection mechanism: Thermal + Magnetic (LI trip)
• Connection type: Feed-through, lug-to-lug (line & load lugs)
• Frame type: MAL / M-frame
• Standards/certifications: UL, CSA, IEC (typical for this model)

Material Compliance and Certifications

• Green Premium label: Indicates adherence to environmentally responsible manufacturing practices and supply chain transparency.
• Safety declarations / warnings: Includes required notices (e.g. California Prop 65, where applicable).
• Regulatory approvals: Generally, UL, CSA, and IEC certifications (as is customary with Schneider Electric / Square D molded case breakers).
• RoHS / REACH considerations: Manufactured following modern environmental regulations (verify locally).

Where It Works Best

• The MAL36400 excels in large commercial buildings, industrial factories, data centers, and other critical-power installations. It’s especially well-suited where multiple circuits must be chained (thanks to its feed-through design) and where both overload and fault protection are necessary. Use it in motor control centers, distribution switchboards, and branch-circuit enclosures. Wherever reliability and circuit safety cannot be compromised, this breaker fits in.