Description
ABB OT16F4N2 SWITCH-DISCONNECTOR (NEW OPEN BOX)
ABB
SWITCH-DISCONNECTOR
ISOLATOR SWITCH 16A 4 POLE
P/N: OT16F4N2
16A 600VAC
MADE IN FINLAND
REF: FKM5871
The ABB OT16F4N2 is a 16A, 4-pole switch-disconnector designed for safe isolation of electrical circuits in demanding marine and industrial environments. Rated at 600VAC, this isolator switch enables maintenance personnel to safely de-energize equipment for servicing, inspection, and repair. It is widely used in shipboard power distribution panels, motor control centres, and auxiliary systems where reliable circuit isolation is critical for operational safety and regulatory compliance.
Key Features
✓ 4-pole switch-disconnector providing complete circuit isolation across all phases and neutral
✓ Rated at 16A / 600VAC, suitable for a wide range of low-voltage marine distribution circuits
✓ Manufactured by ABB in Finland, ensuring high-quality European engineering standards
✓ Compact DIN-rail mounting design for straightforward integration into existing switchboard configurations
✓ Robust construction engineered for reliable performance in harsh marine and industrial operating conditions
Marine Applications
Main and emergency switchboard isolation for maintenance and safety lockout procedures
Motor control centre disconnect applications for pumps, fans, and auxiliary machinery
HVAC and ventilation system electrical isolation in accommodation and machinery spaces
Lighting and small power distribution panel isolation across all vessel decks
Workshop and galley equipment circuit disconnection for safe servicing and inspection
Why Marine Engineers Choose
Marine engineers rely on ABB switch-disconnectors for their proven durability, global availability of spares, and compliance with international marine electrical standards. The OT16F4N2 delivers dependable isolation performance that supports safe maintenance routines and helps vessels meet classification society requirements for electrical safety.
Ideal For
Bulk carriers, container vessels, tankers, offshore supply vessels, cruise ships, ferries, naval vessels, FPSOs, drilling rigs, and any commercial or industrial marine installation requiring reliable low-voltage circuit isolation.
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 integration support for switchboard and panel installations. To confirm compatibility with your specific installation, please share nameplate photographs, existing part numbers, electrical drawings, system model and version details, vessel name and IMO number, and full scope of work. All compatibility confirmations are subject to confirmation based on the documentation provided.




