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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 801 to 815 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)
CUBIC-ModulsystemS225, S2000, S2000D, S2000HD, S2000HI & S2000HB, S2000 vert., S7000 SELCOT2000, Reverse Power Relay, T2200, T2400, 3-Phase Overcurrent Relay, T2300, 3-Phase Short Circuit Relay, T2500, 3-Phase Overcurrent and Short Circuit Relay, T2600, Start-Stop Relay, T2900, 3-Phase Differential Relay, T7900, Electronic Potentiometer SOREEL SOCIETE DE REALISATION D'EQUIPEMENTS ELECTRIQUES SASatlant’IS Marine low voltage power switchboard Weigel MeßgeräteLSP 72K, LSP 96K, LSP 72, LSP 96, LSP 144 Shanghai Complee InstrumentActive/Reactive Power Meter KLY-W/Var;Power Factor Meter KLY-PF;Frequency Meter KLY-F Weigel MeßgeräteLQ 96K, LQ 144K, ZQ 96K, ZQ 144K Shanghai Complee InstrumentPhase sequence indicator KLY-SI72, KLY-SI96, Hours run meter KLY-H48, KLY-H72, KLY-H96 SACI, S.A. - de Construcciones IndustrialesCC3V "Serie Naval" and CC4V "Serie Naval" (Moving Coil Measuring Instrument) SACI, S.A. - de Construcciones IndustrialesEC3V "Serie Naval", EC4V "Serie Naval", EC3VII "Serie Naval" (Moving Iron Measuring Instrument) SACI, S.A. - de Construcciones IndustrialesFC3V "Serie Naval" and FC3VII "Serie Naval" (Frequency Meter) SACI, S.A. - de Construcciones IndustrialesWC3VII "Serie Naval"and WC3VIIr "Serie Naval" (Ferrodynamic Measuring Instrument active or reactive power) EAOPanel Push-Button Series: 11, 21, 31, 41 SACI, S.A. - de Construcciones IndustrialesEC3V6 "Serie Naval"and EC3V7 "Serie Naval" (Moving Iron Measuring Instrument) ABB MarineOnboard DC Grid Power Distribution System ABB MarineOnboard DC Grid
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

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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.

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