Description
ABB T7DU THERMAL OVERLOAD RELAY (NEW WITHOUT BOX)
ABB
T7DU
THERMAL OVERLOAD RELAY
0.6-1.0A
UE=690 V
TRIP CLASS 10A UIMP=6KV
UE= 500 V
FUSE GL/GG 4 A
MADE IN GERMANY
REF: FKM14360
The ABB T7DU is a thermal overload relay designed to protect electric motors and associated circuits against sustained overcurrent and phase loss conditions. Rated at 0.6–1.0A with a voltage rating up to 690V and Trip Class 10A, this relay is an essential protective device within marine electrical distribution and motor control systems. Reliable motor protection is critical onboard vessels to prevent equipment damage, reduce downtime, and maintain operational safety in demanding maritime environments.
Key Features
✓ Adjustable current setting range of 0.6–1.0A for precise motor protection
✓ Rated operational voltage (UE) up to 690V, suitable for marine power systems
✓ Trip Class 10A ensuring rapid disconnection under fault conditions
✓ Impulse withstand voltage (UIMP) of 6kV for enhanced electrical safety
✓ Manufactured in Germany to high industrial quality standards
Marine Applications
Motor control centres (MCCs) protecting low-power auxiliary motors onboard vessels
HVAC fan and pump motor circuits within marine air handling and cooling systems
Overload protection for steering gear, bilge, and ballast pump motor starters
Galley and laundry equipment motor protection in accommodation areas
Integration into engine room automation panels and switchboards
Why Marine Engineers Choose
Marine engineers rely on the ABB T7DU thermal overload relay for its proven reliability, precise adjustable protection range, and robust construction suited to the vibration, humidity, and temperature variations encountered in shipboard electrical installations. ABB’s established reputation in marine switchgear ensures dependable performance and wide spare part availability across global ports.
Ideal For
Cargo vessels, tankers, bulk carriers, container ships, offshore support vessels, passenger ships, naval vessels, and any commercial or industrial marine platform utilising ABB motor control components in low-current motor circuits.
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 ABB motor protection devices. 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 confirmations are subject to review of provided documentation.
