Description
ABB TA25DU-1.8 THERMAL OVERLOAD RELAY (NEW OPEN BOX)
ABB
TA25DU-1.8
THERMAL OVERLOAD RELAY
1SAZ211201R1025
UI = 690V
UE = 690V
UIMP = 6KV
IP20
TRIP CLASS 10A
USE 75°C CU STRANDED WIRE ONLY
MAIN: 16-8 AWG / 12 LB-IN.
AUX: 18-14 AWG / 12 LB-IN.
MADE IN GERMANY
REF.NO: FKM10524
The ABB TA25DU-1.8 is a thermal overload relay designed to protect electric motors and associated circuits from sustained overcurrent conditions. Widely used in marine switchboards, motor control centres, and auxiliary machinery panels, this relay plays a critical role in safeguarding pumps, fans, compressors, and other essential shipboard equipment. With a rated insulation voltage of 690V and Trip Class 10A, it provides reliable and responsive motor protection in demanding maritime environments.
Key Features
✓ Rated insulation voltage (UI) and operational voltage (UE) of 690V for marine-grade electrical systems
✓ Impulse withstand voltage (UIMP) of 6kV ensuring robust dielectric protection
✓ Trip Class 10A for dependable motor overload response within defined time limits
✓ IP20 protection rating suitable for installation in enclosed marine switchgear panels
✓ Manufactured in Germany to ABB’s stringent quality and reliability standards
Marine Applications
Motor protection in main engine room auxiliary systems such as cooling water pumps and lubricating oil pumps
Overload protection for HVAC fan motors and ventilation systems throughout the vessel
Safeguarding compressor motors in refrigeration and air conditioning plant
Protection of steering gear motor circuits and deck machinery drives
Integration into emergency generator and fire pump motor control panels
Why Marine Engineers Choose
Marine engineers trust the ABB TA25DU series for its proven track record of reliable motor protection across harsh shipboard conditions. The combination of high voltage ratings, precise trip class performance, and ABB’s renowned build quality makes it a dependable choice for critical motor circuits where equipment downtime directly impacts vessel safety and operational schedules.
Ideal For
Bulk carriers, tankers, container vessels, offshore support vessels, cruise ships, naval vessels, ferries, LNG/LPG carriers, and any commercial or industrial marine installation requiring reliable thermal overload protection in motor control circuits.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, testing and commissioning, repair services, retrofit and upgrade consultation, and full integration support for your motor protection systems. 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 project scope. All compatibility and fitment details are subject to confirmation based on the information provided.




