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GE SEPA36AT0150 Plastic Enclosed Circuit Breaker
GE SEPA36AT0150
1. Overview and Core Positioning
SEPA36AT0150 belongs to the GE Spectra Series, which is renowned for its compact design, high breaking capacity and modular features. As a 3-pole (3P) low-voltage switchgear, it is specifically designed for medium and small power distribution scenarios, and is widely used in factory workshops, commercial buildings and large residential distribution boards that require stable power supply.
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2. Core Parameters
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Parameter
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Specification
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|---|---|
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Rated Current (In)
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150A
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Rated Voltage
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600V AC
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Pole Number
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3-pole (3P)
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|
Short-Circuit Breaking Capacity
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65kA (Rated)
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|
Dimensions (HxWxD)
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6.31″ x 4.12″ x 3.38″ (Approx. 160mm x 105mm x 86mm)
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Applicable Cable
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4 pieces of 16sqmm copper core cable (Example)
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3. Main Product Features
Compact Design
Compared with traditional large circuit breakers, the SEPA series adopts a compact design, which is suitable for distribution boxes with limited space.
High Interrupting Capacity
The rated breaking capacity (short-circuit withstand capacity) of 65kA can effectively respond to high-energy short-circuit faults that may occur in industrial sites.
Versatility
It supports two installation methods: Bolt-On and Plug-In, and is compatible with Lug (terminal) or Plug (plug).
Interchangeability
As a universal model, it has good interchangeability, facilitating maintenance and replacement.
Current Limiting
It has a current limiting function, which can cut off fault current in an extremely short time to protect circuits and equipment.
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4. Structure and Composition
- Thermal-Magnetic Trip Unit: Responsible for detecting overload (thermal trip) and short-circuit (magnetic trip) faults.
- Contact System: Including main contacts and auxiliary contacts, responsible for the on-off of current.
- Interrupting Mechanism: Uses an Arc Chute to quickly extinguish electric arcs.
- Terminals: Used to connect power cables (Lug) or wires (Plug).
- Enclosure: A sturdy plastic enclosure, usually with a certain protection level (such as NEMA 1 or NEMA 4).
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5. Typical Application Fields
- Industrial Power Distribution Systems: Used for overload protection of motor starting, lighting circuits and control circuits.
- Commercial Buildings: Such as distribution boxes of large commercial complexes and office buildings.
- Power Stations and Substations: Used for protection of auxiliary power supplies and control circuits.
- Other Scenarios with High Reliability Requirements: Such as data centers, hospitals and other places that require uninterrupted power supply.
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6. Installation and Maintenance Recommendations
Installation
Ensure that there is sufficient space inside the distribution box and avoid being too close to other large electrical equipment. It is recommended to use the Bolt-On method for a more stable connection.
Wiring
Copper core cables that meet the specifications must be used for terminals (Lug). Before connection, ensure that the terminals are tightened to prevent poor contact caused by looseness.
Maintenance
Regularly check whether the appearance of the circuit breaker is deformed or corroded; check whether the trip unit is stuck. If the equipment trips frequently, it should be inspected or replaced in a timely manner.
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