GE SKHA36AT8800 molded case circuit breaker

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GE SKHA36AT8800

The GE SKHA36AT8800 is a GE Spectra RMS™ molded case circuit breaker (MCCB) component, designed for high-current electrical distribution and protection applications. It is part of GE’s Spectra series of low-voltage power distribution products, typically used in industrial, commercial, and infrastructure electrical systems. The SKHA36AT family is associated with high-capacity breaker frames and adjustable trip protection configurations.

1. Product Overview

The GE SKHA36AT8800 provides circuit protection by interrupting excessive current caused by overloads or short circuits. It is commonly installed in switchboards, panelboards, motor control centers, and other power distribution equipment requiring reliable high-current protection.

The model designation generally indicates:

• SKHA – Spectra RMS™ breaker family
• 36 – Frame size designation (approximately 600 A frame class)
• AT8800 – Trip rating/configuration identifier (800 A trip configuration is associated with similar SKHA36AT models)

2. Technical Parameters (Typical)

Parameter	Specification
Manufacturer	GE (General Electric)
Product Series	Spectra RMS™
Product Type	Molded Case Circuit Breaker (MCCB)
Frame Type	SKHA36
Application	Low-voltage power distribution protection
Poles	Typically 3-pole configuration
Trip Unit	Adjustable electronic trip (Spectra RMS trip system)
Rated Current	Approx. 800 A trip rating (model dependent)
Voltage Class	Low-voltage AC distribution systems
Mounting	Fixed / panelboard / switchgear mounting options

Exact ratings such as interrupting capacity, voltage rating, and trip settings should be verified from the breaker nameplate or GE documentation for the specific unit.

3. Product Features

• High-current protection
  • Provides protection for feeders, electrical equipment, and distribution circuits.
• Electronic trip technology
  • Spectra RMS trip units provide accurate sensing and faster response compared with traditional thermal-magnetic breakers.
• Adjustable protection settings
  • Allows coordination with upstream and downstream protection devices.
• Compact industrial design
  • Designed for integration into GE switchgear and distribution assemblies.
• Reliable fault interruption
  • Helps minimize equipment damage and downtime during abnormal electrical conditions.

4. Structural Composition

The GE SKHA36AT8800 typically consists of:

1. Molded insulated housing
   • Provides mechanical protection and electrical insulation.
2. Main contacts
   • Carry normal operating current and open during fault conditions.
3. Arc interruption chamber
   • Extinguishes electrical arcs generated during circuit interruption.
4. Trip mechanism
   • Activates breaker opening during overload or short-circuit events.
5. Electronic trip unit
   • Monitors current levels and provides protection logic.
6. Terminal connections
   • Provide connections to busbars or field wiring.

5. Application Fields

Common applications include:

• Industrial power distribution systems
• Manufacturing plants
• Data centers
• Commercial buildings
• Motor control centers (MCCs)
• Generator distribution systems
• Electrical switchboards
• Utility and infrastructure facilities

6. Advantages

• High interrupting reliability
• Suitable for demanding industrial environments
• Improved system coordination through adjustable trip settings
• Long service life
• Compatible with GE Spectra distribution equipment

7. Conclusion

The GE SKHA36AT8800 is a heavy-duty Spectra RMS molded case circuit breaker intended for high-capacity electrical protection. With its robust construction, electronic protection capability, and suitability for industrial power systems, it is widely used where dependable circuit protection and operational continuity are required. For replacement or retrofit projects, confirm the exact breaker frame, trip unit type, voltage rating, and interrupting rating from the equipment nameplate before installation.