Description
SGLA36AT0400 GE Molded Case Circuit Breaker
Product Dimensions：
Product Description (Detailed Explanation)
The SGLA36AT0400 is a 3-pole, 600V maximum, bolt-on circuit breaker. As part of the Spectra RMS™ family, it features a digital Electronic Trip Unit rather than a traditional thermal-magnetic mechanism. This allows for far more accurate and repeatable sensing of overcurrent conditions.
The “AT” in the model number signifies that it is an Adjustable Trip unit. It requires a rating plug (sold separately) to establish the continuous current rating, providing flexibility to scale the protection level without replacing the entire breaker frame. The “SGLA” designation indicates a Standard Interruption Capacity within the G-Frame envelope.
Product Parameters (Technical Specifications)
| Parameter Category | Specification |
| Frame Type | SG Frame (Spectra RMS™) |
| Number of Poles | 3-Pole |
| Amperage (Frame) | 400 Amps |
| Voltage Rating | 600V AC (Maximum) |
| Interrupting Rating | 65kA @ 240V / 35kA @ 480V / 25kA @ 600V |
| Trip Unit Type | MicroVersaTrip™ Plus / PM (Electronic) |
| Trip Functions | Long Time, Instantaneous (LSI options available) |
| Connection | Bolt-on (Suitable for Spectra Series Panelboards/Switchboards) |
| Frequency | 50/60 Hz |
Product Advantages (Key Benefits)
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Precision Protection: The electronic trip unit is ambient-insensitive, meaning it maintains accuracy regardless of the temperature inside the electrical cabinet.
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Flexibility: Interchangeable rating plugs allow the user to change the 400A frame’s rating to a lower value (e.g., 200A or 300A) to match specific motor or feeder requirements.
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High Reliability: Designed with a sophisticated internal arc-quenching system to safely interrupt high-fault currents, protecting downstream equipment.
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Compact Footprint: Provides high amperage and interrupting capacity in a standardized frame size, saving space in switchboard designs.
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Integrated Testing: Most Spectra RMS units feature a test port, allowing technicians to verify trip functionality without disconnecting the power.
Precautions (Important Notes)
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Rating Plug Required: The breaker will not function correctly without the installation of a specific Rating Plug. Ensure the plug matches the desired continuous current (Amps).
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Terminal Lugs: Standard units may not include lugs. Ensure you specify and install the correct Pressure Wire Connectors (Lugs) for the size of the copper or aluminum cables being used.
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Safety Clearance: Maintain proper “arc-out” clearances as specified in the installation manual to prevent flashover to the enclosure door or adjacent components.
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Maintenance: Electronic trip breakers should be periodically exercised (manually toggled) and tested via primary or secondary injection to ensure the mechanical linkages remain free.
Product Applications (Typical Use Cases)
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Industrial Feeders: Used as a main or branch breaker in motor control centers (MCCs) to protect heavy machinery power lines.
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Commercial Buildings: Primary circuit protection in high-rise office panels, hospitals, and shopping centers.
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Data Centers: Reliability-critical power distribution units (PDUs) where precise tripping is required to prevent cascaded outages.
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HVAC Systems: Protection for large-scale chillers and industrial cooling towers that exhibit high inrush currents.
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Switchboard OEM: Integrated into custom-built power distribution switchboards for infrastructure projects.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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