Description
ABB OT1000E03C 3-POLE MANUAL CHANGEOVER SWITCH 1000A (NEW OPEN BOX)
ABB LIMITED
OT1000E03C
3-POLE MANUAL CHANGEOVER SWITCH
ITH 1000A 50…60HZ
415V 1000A AC-31B
415V 1000A AC-33B
UIMP 12KV
ICW 50KA/100MS
ICM 92 KA
ITH 1000A 50…60HZ
690V 1000A AC-23A
MADE IN FINLAND
REF.NO: FKM13577
The ABB OT1000E03C is a heavy-duty 3-pole manual change-over switch rated at 1000A, designed for reliable power source transfer in demanding industrial and marine electrical distribution systems. Onboard vessels, manual change-over switches of this class are critical for transferring loads between generators, shore power connections, and emergency power sources, ensuring continuous and safe electrical supply. This unit is rated for operation at up to 690V and 50/60Hz, making it suitable for a wide range of marine main and emergency switchboard configurations.
Key Features
✓ 3-pole manual change-over switch rated at 1000A (ITH), suitable for high-current marine distribution panels
✓ Voltage ratings of 415V (AC-31B/AC-33B) and 690V (AC-23A) for versatile marine switchboard integration
✓ Impulse withstand voltage (UIMP) of 12kV and short-circuit withstand (ICW) of 50kA/100ms for robust fault protection
✓ Peak withstand current (ICM) of 92kA, ensuring performance under severe transient conditions
✓ Manufactured in Finland by ABB, a globally recognised leader in marine-grade electrical switchgear
Marine Applications
Main switchboard generator change-over and load transfer operations
Shore power to ship power manual transfer switching
Emergency switchboard source selection for critical safety systems
Engine room power distribution panel change-over duties
Redundant power bus-tie and section switching in marine electrical networks
Why Marine Engineers Choose
ABB’s OT series change-over switches are trusted across the global maritime industry for their proven durability, high fault-level ratings, and straightforward manual operation. The OT1000E03C delivers dependable load transfer capability at 1000A, backed by ABB’s reputation for quality and compliance with international standards relevant to marine electrical installations.
Ideal For
Commercial cargo vessels, tankers, bulk carriers, container ships, offshore support vessels, cruise ships, ferries, naval vessels, FPSOs, and any marine or offshore installation requiring reliable high-current manual change-over switching.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, testing and commissioning, repair, retrofit and upgrade services, and full integration support for marine switchboard projects. To confirm compatibility and ensure the correct unit for your application, please share nameplate photographs, part numbers, electrical drawings, system model and version details, vessel name and IMO number, and full project scope. All technical specifications and fitment are subject to confirmation based on your vessel’s specific configuration.
