Description
ABB SACE Tmax T7H 1000 3-POLE CIRCUIT BREAKER (NEW OPEN BOX)
ABB
SACE Tmax
TYPE: T7H 1000
3 POLE UNIT
CIRCUIT BREAKER
SACE PR231/P
CAT. NO: 1SDA063112R1
1SDA063114R1
TMAX T7-T7M-T8
IN: 1000A
600V ~ 50-60HZ 40°C
IN=1000A
AUX.3A 400V A.C.
MADE IN ITALY
REF.NO: FKM4171
The ABB SACE Tmax T7H 1000 is a high-performance 3-pole moulded case circuit breaker (MCCB) rated at 1000A, designed for robust power distribution and protection in demanding industrial and marine electrical systems. Equipped with the ABB SACE PR231/P electronic trip unit, this breaker provides reliable overload and short-circuit protection for main and sub-distribution switchboards aboard vessels. Its proven design and Italian manufacture make it a trusted choice for marine engineers worldwide.
Key Features
✓ 3-pole configuration rated at 1000A, 600V AC, 50-60Hz for high-capacity power distribution
✓ Integrated SACE PR231/P electronic trip unit for precise overload and short-circuit protection
✓ Auxiliary contact rated 3A at 400V AC for remote status indication and control integration
✓ Designed for operation at ambient temperatures up to 40°C, suitable for engine room environments
✓ Manufactured in Italy by ABB — a globally recognised leader in marine-grade electrical equipment
Marine Applications
Main switchboard feeder protection on merchant vessels and offshore platforms
Sub-distribution panel circuit protection for essential and non-essential loads
Generator output protection and bus-tie applications in marine power systems
Shore power connection panels requiring high-current circuit breaking capability
Engine room and machinery space electrical distribution systems
Why Marine Engineers Choose
Marine engineers rely on the ABB SACE Tmax T7H 1000 for its proven reliability, high breaking capacity, and compatibility with ABB switchgear commonly installed across global fleets. The electronic trip unit enables precise, adjustable protection settings that meet the stringent demands of marine classification societies, while the robust construction ensures dependable performance in harsh onboard environments.
Ideal For
Bulk carriers, container ships, tankers, offshore supply vessels, cruise ships, ferries, naval vessels, floating production units, and any vessel or offshore installation utilising ABB SACE Tmax-series switchgear for power distribution and protection.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical support, testing and commissioning, repair, retrofit and upgrade services, and full integration support for ABB SACE Tmax circuit breakers. To confirm compatibility with your installation, please share nameplate photographs, existing part numbers, switchboard general arrangement drawings, system model and version details, vessel name and IMO number, and scope of work. All technical specifications and compatibility are subject to confirmation based on your specific vessel configuration and classification requirements.
