Description
TERASAKI ELECTRIC CO., LTD.
TEMPOWER
AT06
3-POLE AIR CIRCUIT BREAKER
OPERATIONAL VOLT.(UE): 690 VAC
RATED FREQUENCY: 50/60HZ
RATED CURRENT (IN): 630 A
STANDARD : IEC 947-2
UTILIZATION CAT: B
ATPSD01S-B
AMB.TEMP.: 45 C
N127174-001
96143-55
MADE IN JAPAN
The Terasaki TemPower AT06 is a 3-pole air circuit breaker rated at 630A and 690VAC, designed for reliable overcurrent and short-circuit protection within marine and industrial power distribution systems. Built to IEC 947-2 standards and rated for Utilisation Category B, this breaker is suited to demanding onboard electrical environments where dependable fault isolation and load protection are critical to vessel safety and operational continuity.
Key Features
✓ Rated at 630A continuous current with an operational voltage of 690VAC at 50/60Hz, providing robust protection for high-load marine circuits.
✓ Compliant with IEC 947-2 and Utilisation Category B, confirming suitability for switchgear applications involving both overload and short-circuit breaking duties.
✓ Rated for an ambient temperature of 45°C, making it appropriate for engine room switchboards and other thermally demanding onboard installations.
✓ 3-pole configuration suits three-phase power distribution panels, main switchboards, and motor control centres commonly found across vessel types.
✓ Manufactured in Japan by Terasaki Electric Co., Ltd., a recognised supplier to the marine and offshore sector, supporting straightforward like-for-like replacement in existing TemPower installations.
Marine Applications
✓ Main and emergency switchboard protection aboard commercial vessels, ferries, and offshore support vessels.
✓ Motor feeder protection for large auxiliaries including pumps, compressors, and HVAC systems in engine room distribution panels.
✓ Generator circuit protection within ship power plants operating on 690VAC distribution systems.
✓ Shore power connection panels and bus-tie applications requiring high-current interruption capability.
✓ Industrial marine platforms, jack-up rigs, and FPSOs where IEC-compliant switchgear is specified for high-voltage distribution.
Why Marine Engineers Choose
The Terasaki TemPower AT06 is a trusted choice for marine electrical engineers due to its IEC-certified performance, compatibility with existing TemPower panel assemblies, and its proven reliability in high-current shipboard distribution environments.
Ideal For
Merchant vessels, offshore platforms, naval auxiliaries, ferries, cruise ships, FPSOs, and any vessel operating 690VAC three-phase distribution systems requiring certified air circuit breaker protection.
Technical Support
Technical support is available for this air circuit breaker, covering onboard installation guidance, panel integration, and remote troubleshooting assistance. Contact our team for help with TemPower system queries or replacement coordination.
