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Eaton Molded Case Circuit Breakers

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Eaton molded case circuit breakers (MCCBs) are electrical protection devices that are designed to provide overcurrent protection and circuit interruption in electrical distribution systems. They are commonly used in industrial, commercial, and residential applications to protect electrical circuits and equipment from damage caused by short circuits, overloads, and other electrical faults.

MCCBs consist of a molded case that houses the operating mechanism, trip unit, and current-carrying components. The case is typically made of a high-impact, flame-resistant thermoset material that provides excellent protection against environmental hazards such as dust, moisture, and chemicals.

Eaton offers a wide range of MCCBs with various trip units, current ratings, and interrupting capacities to meet different application requirements. The trip unit is the brain of the circuit breaker, and it is responsible for detecting overcurrents and triggering the opening of the breaker contacts. Eaton MCCBs are available with different types of trip units, such as thermal-magnetic, electronic, and microprocessor-based trip units, to provide precise and reliable protection for different types of loads and applications.

In addition, Eaton MCCBs are designed with a range of features to enhance their performance and usability. These features may include adjustable trip settings, visual indicators for circuit status, interchangeable trip units, and various accessories to facilitate installation and maintenance.

Products

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Eaton 1MM320RRLC Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320RRLC Residential Meter Stack - 200 Amp 240 Max Volt
$17378.06
Eaton 1MM320RRLC - Amperage rating: 200A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, 3 Sockets, Copper, Ringless, 120/240 Vac
Eaton 1MM320RRLBP Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320RRLBP Residential Meter Stack - 200 Amp 240 Max Volt
$10832.96
Eaton 1MM320RRLBP - Amperage rating: 200A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, 3 Sockets, Aluminum, Ringless with horn bypass, 120/240 Vac
Eaton 1MM320RRLBCPS Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320RRLBCPS Residential Meter Stack - 200 Amp 240 Max Volt
$10861.29
Eaton 1MM320RRLBCPS - SS meter guides, Multiple metering, 200A, Al, Bus: 800A, Horn bypass, NEMA 3R, Four-jaw, 3, Single-phase in/single-phase out, CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM, Ringless, 120/240V
Eaton 1MM320RRLBC Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320RRLBC Residential Meter Stack - 200 Amp 240 Max Volt
$16471.39
Eaton 1MM320RRLBC - Multiple metering, 200A, Cu, Bus: 800A, Horn bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 3, Single-phase in/single-phase out, CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM, Ringless, 120/240V
Eaton 1MM320RRLB Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320RRLB Residential Meter Stack - 200 Amp 240 Max Volt
$10606.28
Eaton 1MM320RRLB - Amperage rating: 200A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, Aluminum, 3 Sockets, Ringless with horn bypass, 120/240 Vac
Eaton 1MM320RRL Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320RRL Residential Meter Stack - 200 Amp 240 Max Volt
$11078.51
Eaton 1MM320RRL - Amperage rating: 200A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, 3 Sockets, Aluminum, Ringless, 120/240 Vac, 4-jaw
Eaton 1MM320RP Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320RP Residential Meter Stack - 200 Amp 240 Max Volt
$9671.28
Eaton 1MM320RP - Amperage rating: 200A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, Aluminum, 3 Sockets, Ring, 120/240 Vac
Eaton 1MM320RC Residential Meter Stack - 125 Amp 240 Max Volt
Eaton 1MM320RC Residential Meter Stack - 125 Amp 240 Max Volt
$14865.81
Eaton 1MM320RC - Multiple metering, 200A, Copper, Bus: 800A, No bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 3, Single-phase in/single-phase out, CCV2_X, CCVH2_X, CVS2_XMM, CV2_XMM, CVH2_XMM, Ring, 120/240V
Eaton 1MM320R Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM320R Residential Meter Stack - 200 Amp 240 Max Volt
$9642.93
Eaton 1MM320R - Amperage rating: 200A, Socket rating: 200A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, 3 Sockets, Aluminum, Ring, 120/240 Vac
Eaton 1MM312RRLC Residential Meter Stack - 200 Amp 240 Max Volt
Eaton 1MM312RRLC Residential Meter Stack - 200 Amp 240 Max Volt
$9945.16
Eaton 1MM312RRLC - Multiple metering, 125A, Copper, Bus: 800A, No bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 3, Single-phase in/single-phase out, BR2_, BRH2_, BRHH2_, Ringless, 120/240V
Eaton 1MM312RRLBCPS Residential Meter Stack - 125 Amp 240 Max Volt
Eaton 1MM312RRLBCPS Residential Meter Stack - 125 Amp 240 Max Volt
$7491.46
Eaton 1MM312RRLBCPS - SS meter guides, Multiple metering, 125A, Al, Bus: 800A, Horn bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 3, Single-phase in/single-phase out, BR2_, BRH2_, BRHH2_, Ringless, 120/240V
Eaton 1MM312RRLBC Residential Meter Stack - 125 Amp 240 Max Volt
Eaton 1MM312RRLBC Residential Meter Stack - 125 Amp 240 Max Volt
$10360.73
Eaton 1MM312RRLBC - Multiple metering, 125A, Copper, Bus: 800A, Horn bypass, NEMA 3R, Depends on selected main circuit breaker, Four-jaw, 3, Single-phase in/single-phase out, BR2_, BRH2_, BRHH2_, Ringless, 120/240V

 

There are two different types of technologies that are commonly used in circuit breakers. 

Magnetic Breakers are designed to react to short circuits or sharp spikes in voltage and current. The more current that passes through the breaker’s electromagnet, the stronger the magnet becomes. When the current exceeds the rating for that particular breaker, the magnetic force becomes strong enough that it will pull the contact back and disconnect it from the other contact, disconnecting power from the device.
Thermal Protection Breakers protect against a sustained overcurrent, or a higher current, for a longer period of time. Thermal protection uses a Bimetal strip that will bend the contacts away from each other to disconnect power. Thermal Magnetic Breakers are the most common type of circuit breakers. They combine magnetic technology to protect against short circuits or sharp spikes and thermal technology that protects against sustained overcurrent for a long period of time.

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