GE E9000 SELA36AT0030 circuit breaker

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GE E9000 SELA36AT0030

The GE SELA36AT0030 is a GE Spectra Series RMS molded case circuit breaker (MCCB) commonly used in GE E9000 low-voltage switchgear / feeder bucket assemblies. It is a solid-state electronic trip breaker designed for industrial power distribution applications.

1. Basic Product Information

Item	Specification
Manufacturer	General Electric (GE)
Series	Spectra RMS / E9000 feeder application
Model	SELA36AT0030
Breaker Type	Molded Case Circuit Breaker (MCCB)
Frame Size	SEL (SE150 frame family)
Poles	3 Pole
Rated Current	30 A
Voltage Rating	600 VAC
Frequency	50/60 Hz
Connection	Bolt-on
Trip Technology	Digital solid-state RMS sensing
Protection	LSI (Long-time, Short-time, Instantaneous)
Interrupting Capacity	100 kA @ 240 VAC; 65 kA @ 480 VAC; 25 kA @ 600 VAC

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2. Technical Features

Spectra RMS Electronic Trip System

The SELA36AT0030 uses GE’s Spectra RMS digital trip technology, which provides:

• True RMS current measurement
• Improved protection for non-linear loads
• Adjustable trip settings
• Electronic overload and short-circuit protection
• Field-replaceable rating plug capability

Protection Functions

L — Long-Time Protection

• Protects cables and equipment from sustained overload currents.

S — Short-Time Protection

• Provides delayed short-circuit protection and coordination with downstream breakers.

I — Instantaneous Protection

• Provides rapid interruption during high fault currents.

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3. Structural Composition

Main components include:

• Molded insulated breaker housing
• Arc interruption chambers
• Main contacts
• Operating mechanism
• Electronic trip unit
• Current sensors
• Rating plug interface
• Terminal connection system

When installed in an E9000 switchboard feeder bucket, the breaker provides removable feeder protection and distribution control.

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4. Application Fields

Typical applications include:

• Industrial power distribution systems
• Motor control centers (MCC)
• Manufacturing plants
• Data centers
• Commercial buildings
• Process automation facilities
• GE E9000 low-voltage switchgear systems

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5. Advantages

• High interrupting capability
• Digital RMS protection accuracy
• Adjustable protection parameters
• Compact MCCB design
• Suitable for selective coordination
• Long service life in industrial environments

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6. Installation Notes

Before replacement or installation, verify:

• Exact GE switchgear model compatibility
• Frame type (SEL)
• Trip unit rating plug
• Bus connection arrangement
• Short-circuit rating requirements
• Applicable local electrical standards

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Summary

GE SELA36AT0030 is a 30A, 3-pole, 600VAC Spectra RMS electronic MCCB designed for reliable feeder protection, especially in GE E9000 switchgear systems. Its solid-state LSI trip protection and high interrupting rating make it suitable for industrial and commercial power distribution applications.