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Home Breakers, Fuses & Circuit Protection Miniature Circuit Breakers Lovato Miniature Circuit Breakers

Lovato Miniature Circuit Breakers

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Lovato miniature circuit breakers (MCBs) are a reliable choice when it comes to protecting electrical circuits across a wide array of applications. Whether in use in a commercial, industrial, or residential space, Lovato's MCBs are known for their outstanding support—both via performance and compliance with safety standards that are honored globally. These MCBs do a stellar job of living up to their brand's reputation and keeping users safe in even the most commonplace situation.

The Lovato circuit breakers come in a number of poles including, single-pole, double-pole, triple-pole, and four-pole configurations, which makes them versatile for installation in a variety of electrical circuits. They combine both a thermal and a magnetic trip system. The thermal system provides protection against circuit overload by responding to a heating effect caused by long periods of current above the rated current of the breaker. The magnetic system provides protection by responding to a high-current short-circuit condition.

Products

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Lovato P2MB4PD125 Mini CB - 125 Amp, Four Pole, D Curve, 10 kA
Lovato P2MB4PD125 Mini CB - 125 Amp, Four Pole, D Curve, 10 kA
$424.47
Lovato P2MB4PD125 - Miniature circuit breaker, 1P, 2P, 3P and 4P - 10kA, characteristic D, 125A - Contains Quantity: 2
Lovato P2MB4PD100 Mini CB - 100 Amp, Four Pole, D Curve, 10 kA
Lovato P2MB4PD100 Mini CB - 100 Amp, Four Pole, D Curve, 10 kA
$373.53
Lovato P2MB4PD100 - Miniature circuit breaker, 1P, 2P, 3P and 4P - 10kA, characteristic D, 100A - Contains Quantity: 2
Lovato P2MB4PD080 Mini CB - 80 Amp, Four Pole, D Curve, 10 kA
Lovato P2MB4PD080 Mini CB - 80 Amp, Four Pole, D Curve, 10 kA
$339.57
Lovato P2MB4PD080 - Miniature circuit breaker, 1P, 2P, 3P and 4P - 10kA, characteristic D, 80A - Contains Quantity: 2
Lovato P2MB3PD125 Mini CB - 125 Amp, Three Pole, D Curve, 10 kA
Lovato P2MB3PD125 Mini CB - 125 Amp, Three Pole, D Curve, 10 kA
$339.57
Lovato P2MB3PD125 - Miniature circuit breaker, 1P, 2P, 3P and 4P - 10kA, characteristic D, 125A - Contains Quantity: 3
Lovato P2MB3PD100 Mini CB - 100 Amp, Three Pole, D Curve, 10 kA
Lovato P2MB3PD100 Mini CB - 100 Amp, Three Pole, D Curve, 10 kA
$280.15
Lovato P2MB3PD100 - Miniature circuit breaker, 1P, 2P, 3P and 4P - 10kA, characteristic D, 100A - Contains Quantity: 3
Lovato P2MB3PD080 Mini CB - 80 Amp, Three Pole, D Curve, 10 kA
Lovato P2MB3PD080 Mini CB - 80 Amp, Three Pole, D Curve, 10 kA
$254.69
Lovato P2MB3PD080 - Miniature circuit breaker, 1P, 2P, 3P and 4P - 10kA, characteristic D, 80A - Contains Quantity: 3
Lovato P1MBUL3PD63 Mini CB - 63 Amp, Three Pole, D Curve, 10 kA, 240 VAC
Lovato P1MBUL3PD63 Mini CB - 63 Amp, Three Pole, D Curve, 10 kA, 240 VAC
$195.26
Lovato P1MBUL3PD63 - Miniature circuit breaker, 3P - 10kA. 3 modules, characteristic D, 63A - Contains Quantity: 4
Lovato P1MBUL3PD60 Mini CB - 60 Amp, Three Pole, D Curve, 10 kA, 240 VAC
Lovato P1MBUL3PD60 Mini CB - 60 Amp, Three Pole, D Curve, 10 kA, 240 VAC
$195.26
Lovato P1MBUL3PD60 - Miniature circuit breaker, 3P - 10kA. 3 modules, characteristic D, 60A - Contains Quantity: 4
Lovato P1MBUL3PD50 Mini CB - 50 Amp, Three Pole, D Curve, 10 kA, 240 VAC
Lovato P1MBUL3PD50 Mini CB - 50 Amp, Three Pole, D Curve, 10 kA, 240 VAC
$195.26
Lovato P1MBUL3PD50 - Miniature circuit breaker, 3P - 10kA. 3 modules, characteristic D, 50A - Contains Quantity: 4
Lovato P1MBUL3PD40 Mini CB - 40 Amp, Three Pole, D Curve, 10 kA, 240 VAC
Lovato P1MBUL3PD40 Mini CB - 40 Amp, Three Pole, D Curve, 10 kA, 240 VAC
$195.26
Lovato P1MBUL3PD40 - Miniature circuit breaker, 3P - 10kA. 3 modules, characteristic D, 40A - Contains Quantity: 4
Lovato P1MBUL3PD35 Mini CB - 35 Amp, Three Pole, D Curve, 10 kA, 240 VAC
Lovato P1MBUL3PD35 Mini CB - 35 Amp, Three Pole, D Curve, 10 kA, 240 VAC
$195.26
Lovato P1MBUL3PD35 - Miniature circuit breaker, 3P - 10kA. 3 modules, characteristic D, 35A - Contains Quantity: 4
Lovato P1MBUL2PD63 Mini CB - 63 Amp, Double Pole, D Curve, 10 kA, 240 VAC
Lovato P1MBUL2PD63 Mini CB - 63 Amp, Double Pole, D Curve, 10 kA, 240 VAC
$127.34
Lovato P1MBUL2PD63 - Miniature circuit breaker, 2P - 10kA. 2 modules, characteristic D, 63A - Contains Quantity: 6

More Information about Lovato Miniature Circuit Breakers

Compact in design, these circuit breakers can be tightly installed when space is at a premium. They integrate easily with most electrical panels, and with a quick check of the easy-to-read status indicator, one can quickly locate and reset a power-draining, tripped breaker. Lovato breakers are a solid product for those in need of a streamlined power distribution system.

A Lovato miniature circuit breaker is designed to resist exposure to tough environmental elements, ensuring dependable performance even in the presence of common industrial factors such as vibration and temperature changes. For systems that need long-term stability, the MCBs offer solid construction that should hold up to most any condition, protecting your valuable equipment in even the harshest environments.

FAQs

What is the rated operational voltage and rated frequency of a 35mm DIN rail mounted miniature circuit breaker?

A 35mm DIN rail mounted miniature circuit breaker typically has a rated operational voltage of up to 240/415V AC and a rated frequency of 50/60 Hz​.

What are some related products or items that Lovato offers to use with their miniature circuit breakers?

Lovato offers a range of related products to use with their miniature circuit breakers, including auxiliary contacts, shunt trips, undervoltage releases, and motor protection relays, enhancing the functionality and versatility of their electrical protection solutions.

 

Trip Curve Basics Part 1

There are two critical elements in miniature circuit beakers.

Bimetal strip

This strip has two dissimilar metals attached to one another. When a prolonged overcurrent occurs, these metals begin to bend. Because the metals are different, the rate at which they bend is different, therefore causing the strip to bend. If this bending occurs long enough, the bending strip will disrupt the electrical contacts inside the breaker, causing it to trip.

Coil or solenoid

The coil or solenoid is designed for larger overcurrent events like a short circuit or lightning strike. When a large overcurrent event occurs, the plunger in the solenoid is actuated, thereby tripping the breaker.

What is a trip curve?

It is both the prolonged overcurrent protection from the bimetal strip and the higher spikes in voltage and current protection from the solenoid that make up the circuit breakers trip curve. How fast or slow these events occur determines the shape of the curve. A trip curve is simply a graphical representation of the expected behavior of a circuit protection device, in this case, a circuit breaker.

This graphical representation looks at two separate pieces of data to provide the information needed to understand when a particular breaker will trip. The first is time, more specifically, the time the circuit breaker experiences a certain amount of overcurrent. The second is the amount of current. In this case, how much more current is passing through the breaker than the protection device is actually rated for.

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