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Breaking Contacts
TemPower 2 is the world's first Double Break ACB, having two breaking contacts per phase. The unique pole structure means that the short-time withstand rating (Icw) is equal to the service short-circuit breaking capacity (Ics) for all models.
Packing Density
You can increase switchboard packing density using the smallest one second rated ACB on the market. The fixed version is 290mm deep, the drawout version is 345mm deep.
Reliability
Double Break contacts increase service life. Electrical and mechanical endurance ratings are the best available, and exceed the requirements of IEC 60 947-2.
Double Quick Opening
TemPower 2 ACBs clear short-circuit faults in less than 30ms. That%u2019s twice as fast as most ACBs.
Double Opening and Closing Coils
Now you can extend control system redundancy to an ACB. Double coils allow designers to implement back-up tripping and closing systems.
Double Neutrals
How do you make a system harmonic proof in the face of increasing triple-N harmonic currents? Terasaki have launched the first Double Neutral ACB. The AH-60DN will carry 10,000A of neutral current.
Protection Characteristics
TemPower 2 is the only ACB which offers time-current characteristics to 3 different standards:
IEC 60 947-2 (low voltage circuit breakers)
IEC 60 255-3 (electrical relays)
Lloyds Register of Shipping (for marine generator protection)
All models have LSI protection.
Double Insulation Properties
All operator controls and accessory locations are double insulated from the main phases.
ReduceTime to Repair
Modular construction means that each pole of the TemPower 2 ACB can be replaced in about 15 minutes - by the user. This unique feature will reduce downtime for end-users.
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High breaking capacity
- LS Ace-MEC ACE provides high breaking capacity up to 100kA
Various certification and approval
- LG Ace-MEC ACB is type-tested by IEC 60947 and GB 14048-2-94 standard
- KEMA (Netherlands), ESI (Italy), CCC (China), KERI (Korea), ISO 9001, ISO 14001
Compact & Modular design
- More compact overall dimensions and light weights.
- LG Ace-MEC ACB have been made three types of modular design criteria to facilitate their installation and
integration in low voltage switch boards.
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630 to 1600 A hight current circuit-breakers
Description
Nominal current:630 to 1600 A
Breaking performance:42 to 150 kA at 220/415 V AC
Voltage rating:up to 690 V
1 single physical size from 630 to 1600 A
A single pole pitch of 70 mm
3 and 4-pole versions
4 Micrologic control units enriched by measurement, energy management and network analysis functions
Earth leakage protection built into electronic protection
Wide range of common auxiliaries and accessories interchangeable on site
Compliance with international standards IEC 60947-1 and 2, IEC 68230 for type 2 tropicalisation, UL489, ANSI and CCC
Compliance with specifications of marine classification companies:Bureau Veritas, Lloyd’s Register of Shipping, Det Norske Veritas, etc.
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Terasaki developed its original breaker for the first time in Japan in 1947.
Since then, the company has been offering, as a specialized breaker
manufacturer, the most advanced breakers not only to the Japanese market, but
also to the world markets.
The TemBreak series of Moulded case circuit breakers, which is evaluated as
highly reliable by our customers, has been improved from time to time for better
performance through Terasaki's advanced technologies.
In 2000, the TemPower 2 series was released to replace the Tempower series of
air circuit breakers, which had received high reputations for many years. This
new series consists of small, high-performance air circuit breakers featuring
advanced information and communication capabilities.
Terasaki is ready to meet the customers' requirements in the 21st century through
its diversified model lineup and its broad range of enhanced products.
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