Description
ABB OT400E12 3-POLE BASE MOUNTED SWITCH DISCONNECTOR 400A (USED)
ABB OY
OT400E12
3-POLE BASE MOUNTED SWITCH DISCONNECTOR
ITH 400A 50…60HZ
690V 400A AC-23A
UIMP 12 KV
MADE IN FINLAND
REF.NO: FKM14689
The ABB OT400E12 is a 3-pole base mounted switch disconnector rated at 400A, designed for safe isolation of electrical circuits in demanding marine and industrial power distribution systems. With a rated insulation voltage of 690V and impulse withstand voltage of 12 kV, this robust disconnector ensures reliable and safe de-energisation of switchgear, motor control centres, and distribution panels found onboard vessels of all classes.
Key Features
✓ 3-pole configuration with 400A rated thermal current at 50/60 Hz for versatile shipboard power systems
✓ Rated operational voltage of 690V AC-23A, suitable for high-power marine electrical networks
✓ Impulse withstand voltage (Uimp) of 12 kV for enhanced dielectric protection
✓ Base mounted design for straightforward panel integration and maintenance access
✓ Manufactured by ABB in Finland, reflecting proven quality and engineering standards
Marine Applications
Main and emergency switchboard isolation in engine rooms and electrical compartments
Motor control centre disconnection for pumps, compressors, and ventilation systems
Shore power connection panels requiring safe isolation during port operations
Power distribution boards serving auxiliary and essential ship services
Maintenance isolation points for generators, transformers, and converter systems
Why Marine Engineers Choose ABB OT400E12
Marine engineers rely on the ABB OT400E12 for its robust build quality, proven reliability in harsh shipboard environments, and compliance with stringent safety requirements for electrical isolation. Its high voltage and current ratings make it a dependable choice for critical power distribution circuits where safe disconnection is essential during maintenance and emergency operations.
Ideal For
Bulk carriers, container vessels, tankers, offshore platforms, cruise ships, naval vessels, ferries, research vessels, and any commercial or industrial marine application requiring reliable high-current switch disconnection.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, testing and commissioning, repair services, retrofit and upgrade guidance, and full system integration support. To confirm compatibility with your installation, please share nameplate photographs, existing part numbers, wiring or general arrangement drawings, system model and version details, vessel name and IMO number, and the intended scope of work. All technical specifications and compatibility are subject to confirmation based on the information provided.
