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Library› Electrical› Power Distribution› Main Switchboard (MSB)
Power Distribution

Main Switchboard (MSB)

The main switchboard is the single point where every generator's output is paralleled, protected and split across bus sections; how it is sectioned decides whether one fault causes a local trip or a full blackout.

815models
29manufacturers
10 Oct 2026last updated
Models

Models in this type.

Models 101 to 200 of 815 in Main Switchboard (MSB). Every row links to full specifications, documents and service notes.

ABB 153Siemens 147Schneider Electric 113Eaton Marine 91Terasaki Electric 81Hyundai Electric 61NHP Marine 60Schaltbau Marine 60Kongsberg Maritime 6
Sort by:Best documentedNamePower (kW)
Siemens Marine8DJH36 1600A 690V Schneider Electric MarineBlokset Marine 1600A 690V Eaton MarineIZM Marine 1600A 690V Terasaki ElectricTemBreak2 1600A 690V Hyundai ElectricHiMSB 1600A 440V NHP MarineESB Marine 1600A 690V Schaltbau MarineModular MSB 1600A 690V ABB MarineMNS Marine 1250A 400V Siemens Marine8DJH36 2000A 400V Schneider Electric MarineBlokset Marine 2000A 400V Eaton MarineIZM Marine 2000A 400V Terasaki ElectricTemBreak2 2000A 400V Hyundai ElectricHiMSB 1600A 690V NHP MarineESB Marine 2000A 400V Schaltbau MarineModular MSB 2000A 400V ABB MarineMNS Marine 1250A 440V Siemens Marine8DJH36 2000A 440V Schneider Electric MarineBlokset Marine 2000A 440V Eaton MarineIZM Marine 2000A 440V Terasaki ElectricTemBreak2 2000A 440V Hyundai ElectricHiMSB 2000A 400V NHP MarineESB Marine 2000A 440V Schaltbau MarineModular MSB 2000A 440V ABB MarineMNS Marine 1250A 690V Siemens Marine8DJH36 2000A 690V Schneider Electric MarineBlokset Marine 2000A 690V Eaton MarineIZM Marine 2000A 690V Terasaki ElectricTemBreak2 2000A 690V Hyundai ElectricHiMSB 2000A 440V NHP MarineESB Marine 2000A 690V Schaltbau MarineModular MSB 2000A 690V ABB MarineMNS Marine 1600A 400V Siemens Marine8DJH36 2500A 400V Schneider Electric MarineBlokset Marine 2500A 400V Eaton MarineIZM Marine 2500A 400V Terasaki ElectricTemBreak2 2500A 400V Hyundai ElectricHiMSB 2000A 690V NHP MarineESB Marine 2500A 400V Schaltbau MarineModular MSB 2500A 400V ABB MarineMNS Marine 1600A 440V Siemens Marine8DJH36 2500A 440V Schneider Electric MarineBlokset Marine 2500A 440V Eaton MarineIZM Marine 2500A 440V Terasaki ElectricTemBreak2 2500A 440V Hyundai ElectricHiMSB 2500A 400V NHP MarineESB Marine 2500A 440V Schaltbau MarineModular MSB 2500A 440V ABB MarineMNS Marine 1600A 690V Siemens Marine8DJH36 2500A 690V Schneider Electric MarineBlokset Marine 2500A 690V Eaton MarineIZM Marine 2500A 690V Terasaki ElectricTemBreak2 2500A 690V Hyundai ElectricHiMSB 2500A 440V NHP MarineESB Marine 2500A 690V Schaltbau MarineModular MSB 2500A 690V ABB MarineMNS Marine 2000A 400V Siemens Marine8DJH36 3150A 400V Schneider Electric MarineBlokset Marine 3150A 400V Eaton MarineIZM Marine 3150A 400V Terasaki ElectricTemBreak2 3150A 400V Hyundai ElectricHiMSB 2500A 690V NHP MarineESB Marine 3150A 400V Schaltbau MarineModular MSB 3150A 400V ABB MarineMNS Marine 2000A 440V Siemens Marine8DJH36 3150A 440V Schneider Electric MarineBlokset Marine 3150A 440V Eaton MarineIZM Marine 3150A 440V Terasaki ElectricTemBreak2 3150A 440V Hyundai ElectricHiMSB 3150A 400V NHP MarineESB Marine 3150A 440V Schaltbau MarineModular MSB 3150A 440V ABB MarineMNS Marine 2000A 690V Siemens Marine8DJH36 3150A 690V Schneider Electric MarineBlokset Marine 3150A 690V Eaton MarineIZM Marine 3150A 690V Terasaki ElectricTemBreak2 3150A 690V Hyundai ElectricHiMSB 3150A 440V NHP MarineESB Marine 3150A 690V Schaltbau MarineModular MSB 3150A 690V ABB MarineMNS Marine 2500A 400V Siemens Marine8DJH36 4000A 400V Schneider Electric MarineBlokset Marine 4000A 400V Eaton MarineIZM Marine 4000A 400V Terasaki ElectricTemBreak2 4000A 400V Hyundai ElectricHiMSB 3150A 690V NHP MarineESB Marine 4000A 400V Schaltbau MarineModular MSB 4000A 400V ABB MarineMNS Marine 2500A 440V Siemens Marine8DJH36 4000A 440V Schneider Electric MarineBlokset Marine 4000A 440V Eaton MarineIZM Marine 4000A 440V Terasaki ElectricTemBreak2 4000A 440V Hyundai ElectricHiMSB 4000A 400V NHP MarineESB Marine 4000A 440V Schaltbau MarineModular MSB 4000A 440V ABB MarineMNS Marine 2500A 690V Siemens Marine8DJH36 4000A 690V Schneider Electric MarineBlokset Marine 4000A 690V Eaton MarineIZM Marine 4000A 690V Terasaki ElectricTemBreak2 4000A 690V
Alternator and switchboard spare parts
Related types

Also in Power Distribution.

The other equipment types in this category.

Battery Charger PanelDiesel-Electric Power & Propulsion SystemEmergency Switchboard (ESB)Main SwitchboardMain Switchboard (LV)Main Switchboard (MV)Power Management SystemSwitchboard/MCCTransformerUPS (Uninterruptible Power Supply)
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Frequently asked

Three things people ask first.

Is Main Switchboard (MSB) data free?

Yes. Every model page, every guide and every datasheet for this type is readable without an account. An account adds saved searches and requests, nothing is taken away.

My model is missing — what now?

Send us the nameplate. We identify it by hand, add it to the library, and if you need a part or a service, the request is already on our desk.

Can you source a Main Switchboard (MSB) part?

Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.