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Terasaki Electric At12 Tempower Air Circuit Breaker 3 Pole 1250A
Terasaki Electric Co., Ltd.
Matsushita
Tempower
Air Circuit Breaker
At12
Poles: 3
Operational Volt. (Ue): 690Vac
Rated Frequency: 50/60 Hz
Rated Cu
| Specification | Details |
|---|---|
| Product Name | Terasaki Electric At12 Tempower Air Circuit Breaker 3 Pole 1250A |
| Manufacturer | Terasaki Electric Co., Ltd. |
| Brand | Matsushita |
| Series | Tempower |
| Type | Air Circuit Breaker |
| Model | At12 |
| Poles | 3 |
| Operational Voltage (Ue) | 690Vac |
| Rated Frequency | 50/60 Hz |
| Rated Current (In) | 1250A |
| Standard | IEC947-2 |
| Utilization Category | B |
| Breaking Capacity (Icu) | 690V: 50/50Ka 550-600V: 50/50Ka Ics=100% Icu: 220-500V: 65/50Ka |
| Short Time Withstand Current (Icw) | 1Sec: 50Ka 3Sec: 45Ka |
| Part Numbers | Atps0017-b Nk (84T225) At12 |
| Interrupting Capacity | With Inst: AC480V: 65Ka Without Inst: AC480V: 50Ka |
| Ambient Temperature | 45˚C |
| Auxiliary Switch | Axt-1Ab: 10P 5A 5B |
| Over-current Trip | Rqu2312A1, Aor-1Bs-as |
| Base Current (Io) | 898 A |
| CT Rating (Icr) | 1250/5A |
| Voltage Ratings | S1-so: AC/DC 100-250V Sp-so: DC 24V |
| Magnet Hold Trigger | Att-1 |
| Transformer Ratings | Ta-8472 Ø0.22: 4500T Ø0.32: 1700T |
| Auxiliary Switch 2 | Axt-1C: 2A 2B |
| Other Part Numbers | Btxs0006-a Av130502 16A380V AC 00203 |
| Accessories | Closing: Motor Charging (AC110V) OCR (Aor-1Bs-as): Io=898A ICT=1250A/5A |
| Tripping | Under Voltage Trip (AC110V) |
| Switch | Auxiliary Switch 5A 5B |
| Identification Codes | 02103510010 00121-43 |
| Origin | Made in Japan |
| Weight | 80 Kg |
The AT12 Tempower Air Circuit Breaker, a robust and reliable solution designed by Terasaki Electric Co., Ltd. This air circuit breaker is manufactured to meet the highest standards of electrical safety and performance, making it an ideal choice for various industrial applications.
Main Features
The Terasaki AT12 Tempower Air Circuit Breaker is a 3-pole breaker with a rated operational voltage of 690Vac and a rated current of 1250A. It operates at a frequency of 50/60 Hz, ensuring compatibility with various electrical systems. Complying with the IEC947-2 standard, it is built to deliver reliable protection and performance. With a high breaking capacity, the AT12 can handle significant electrical loads. It boasts a breaking capacity (Icu) of 50/50Ka at 690V, ensuring it can manage high fault currents effectively. Additionally, it maintains a short time withstand current (Icw) of 50Ka for 1 second and 45Ka for 3 seconds, providing robust protection against short circuits. The Terasaki AT12 is designed with advanced protection features to ensure the safety of your electrical systems. It includes an over-current trip (AOR-1BS-AS) mechanism, which provides precise and reliable protection against over-current conditions. The base current (Io) is rated at 898A, and the CT rating (Icr) is 1250/5A, ensuring accurate current measurement and protection. The breaker is equipped with auxiliary switches (Axt-1AB, 10P 5A 5B) for enhanced control and monitoring. These switches allow for easy integration with other control systems, providing comprehensive management of your electrical network. The breaker also includes a magnet hold trigger (ATT-1) for secure and reliable operation. 
Designed for versatility, the Terasaki AT12 supports various voltage inputs, including AC/DC 100-250V and DC 24V. This adaptability makes it suitable for a wide range of applications and ensures reliable performance in different operating conditions. The breaker is also equipped with a motor charging mechanism (AC110V) for efficient and automated operation. The auxiliary switch configuration (Axt-1C, 2A 2B) adds to the breaker's versatility, allowing for additional control and monitoring options. The under-voltage trip (AC110V) feature ensures protection against voltage dips, enhancing the overall safety and reliability of your electrical system. Manufactured in Japan, the Terasaki AT12 Tempower Air Circuit Breaker exemplifies high-quality engineering and manufacturing standards. Weighing 80 kg, it is built to withstand the rigors of industrial environments, ensuring long-term durability and reliable performance.
The breakers components, such as the AOR-1BS-AS over-current trip unit and the auxiliary switches, are designed for precise operation and longevity. With a base current (Io) of 898A and an interrupting capacity of 65Ka (with inst) and 50Ka (without inst) at AC480V, the AT12 is capable of handling demanding electrical loads with ease. The Terasaki AT12 comes with a range of accessories to enhance its functionality and ease of use. These include motor charging (AC110V), under-voltage trip (AC110V), and auxiliary switches (5A5B), providing comprehensive control and protection options. These accessories ensure that the breaker can be tailored to meet the specific needs of your electrical system.
The Terasaki Electric AT12 Tempower Air Circuit Breaker is a top-tier choice for those seeking reliable and robust protection for their electrical systems. With its high breaking capacity, versatile voltage inputs, and advanced protection features, it is designed to meet the demands of modern industrial applications.
For an alternative with similar high-performance capabilities, consider Terasaki Electric At12 Tempower Air Circuit Breaker 3 Poles 1250/5A 50-60Hz . This circuit breaker provides enhanced capacity and robust protection, making it an excellent choice for demanding industrial applications.
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We offer various shipping options for each country, and the methods and costs are clearly indicated on all quotations. Our official logistics partners are FedEx and DHL, renowned for their extensive delivery networks and time-definite solutions to over 200+ countries and territories worldwide. For specific services available in your country, please visit the FedEx and DHL websites. On rare occasions, we may use alternative carriers for logistical or operational reasons.
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