EATON Main Circuit Breakers


Eaton main circuit breakers are used to protect the electrical system from overloads and short circuits, automatically interrupting the flow of electricity, preventing damage to equipment and minimising the risk of electrical hazards.

Filter
StyleModelAmpsPhaseVoltagePrice
A
3MHCB250R
250A3120/208V€4,973.92
B
1MCB250R
250A1120/240V€4,944.95
B
1MCB300R
300A1120/240V€5,193.32
A
3MHCB300R
300A3120/208V€5,274.07
B
1MCB350R
350A1120/240V€5,445.87
C
1MCB400R
400A1120/240V€5,704.60
C
1MHCB400R
400A1120/240V€5,967.46
D
3MHCB400R
400A3120/208V€6,162.04
B
1MCB500R
500A1120/240V€6,240.70
D
3MHCB500R
500A3120/208V€7,538.49
D
3MHCB600R
600A3120/208V€8,774.23
E
1MCB600R
600A1120/240V€6,414.57
E
1MHCB600R
600A1120/240V€6,967.22
D
3MHCB350R
650A3120/208V€5,723.25
B
1MCB700R
700A1120/240V€24,747.72
A
3MHCB700R
700A3120/208V€10,144.51
D
3MHCB800R
800A3120/208V€11,038.68
F
1MHCB800R
800A1120/240V€8,511.35
F
1MCB800R
800A1120/240V€7,190.79
B
1MCB900R
900A1120/240V€34,740.03
D
3MHCB900R
900A3120/208V€11,928.73
A
3MHCB1000R
1000A3120/208V€15,822.20
G
1MHCB1000R
1000A1120/240V€11,765.22
G
1MCB1000R
1000A1120/240V€10,670.26
H
1MHCBE1200RC
1200A1120/240V€86,660.56
D
3MHCB1200R
1200A3120/208V€18,229.46
B
1MCB1200R
1200A1120/240V€12,822.94
B
1MHCB1200R
1200A1120/240V€14,050.38

Features

  • These MCBs can accommodate wire sizes ranging from 1 AWG to 750 kcmil, offering versatility in wiring configurations.
  • They have a high interrupt rating of up to 1000 kAIC, ensuring effective protection by swiftly interrupting the circuit in the event of overloads or short circuits.
  • These MCBs are equipped with advanced NEMA 3R enclosures, enhancing their resistance to weather and environmental factors for outdoor installations.

Frequently Asked Questions

What factors should be considered when selecting an Eaton main circuit breaker for a specific application?

Consider factors such as the electrical load, interrupting capacity, and environmental conditions. Ensure compliance with local electrical codes and consult with a professional for guidance on the most suitable breaker for your application.

How often should Eaton main circuit breakers be inspected for wear and tear?

Regular inspections are recommended, especially after prolonged use or exposure to harsh conditions. Check for signs of wear, corrosion, or loose components and address any issues promptly.

How should I clean an Eaton main circuit breaker to maintain its performance?

Cleaning involves using a dry cloth to remove dust and debris. Ensure the breaker is de-energised before cleaning and follow manufacturer guidelines for specific cleaning procedures.

What are the points to inspect before operating the MCB breaker?

  • Conduct a thorough inspection of the unit for cracks, chipping, discolouration, or any signs of overheating. Ensure the terminals and connectors are securely tightened and inspect the mounting hardware.
  • Maintain cleanliness around the breaker by using an enclosure. Eliminate dust, dirt, grease, moisture, foreign contaminants or any safety hazards in the vicinity of the circuit breaker area.
  • Utilise the optional push-to-trip button on the bottom side of the unit to perform a mechanical test of the circuit breaker.
  • Verify that the unit's mechanical linkages, such as the toggle actuator, move freely by toggling the unit ON and OFF multiple times.

We are here to help!

Looking for a part not listed here?