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Terasaki Electric At12 Air Circuit Breaker 690Vac
Terasaki Electric Co.,Ltd
Tempower
Air Circuit Breaker
At12
Poles 3
| Specification | Details |
|---|---|
| Product Name | Terasaki Electric At12 Air Circuit Breaker 690Vac |
| Manufacturer | Terasaki Electric Co., Ltd |
| Model | Tempower |
| Type | Air Circuit Breaker |
| Model Number | At12 |
| Poles | 3 |
| Operational Voltage (Ue) | 690Vac |
| Rated Frequency | 50/60Hz |
| Rated Current (In) | 1250A |
| Standard | IEC947-2 |
| Utilization Category | B |
| Ics | 100% Icu |
| Short Time Withstand (1100% Icusec) | 50kA |
| Stand Current (Icw, 3 sec) | 45kA |
| Product Code | Atps0017-b |
| Model Code | Nk (84T225) |
| Withstand Instantaneous (Inst) | AC480V 65kA |
| Without Instantaneous (Inst) | AC480V 50kA |
| Ambient Temperature | 45°C |
| Over-current Trip | Aor-1Bs-as |
| Base Current (Io) | 642A |
| Current Transformer Rating (Ict) | 1250/5A |
| Rated Frequency | 50-60Hz |
| Operating Voltage (AC) | AC100~250V |
| Operating Voltage (DC) | DC100~250V, DC 24V |
| Magnet Hold Trigger Diameter | Ø0.22 |
| Magnet Hold Trigger Force | 4500T |
| Magnet Hold Trigger Model | Att-1 |
| Trigger Part Number | Ta-8472-1-1 |
| Auxiliary Switch | Axt-1C |
| Auxiliary Switch Contact | 2A2B |
| Auxiliary Switch Code | Btxs0006-a |
| Auxiliary Switch Voltage | 16A380V AC |
| Part Number | 70613 |
| Auxiliary Switch Operating Voltage | AC110V |
| Auxiliary Switch Diameter | Ø0.32 |
| Auxiliary Switch Force | 1700T |
| Circuit Breaker Type | At12 3P |
| Motor Charging Voltage | AC110V |
| Tripping Under Voltage Trip | AC110V |
| Auxiliary Switch Contacts | 5A5B |
| Auxiliary Switch Part Number | N231192-001 |
| Trigger Part Number | 97141-31 |
| Current Transformer | Act-113B |
| Current Transformer Rating | 1250A/5A |
| Current Transformer Code | Btc00006B |
| Auxiliary Switch Type | Axt-1Ab |
| Auxiliary Switch Contacts | 10P 5A 5B, Rqu2312A1 |
| Country of Origin | Made in Japan |
| Weight | 80 Kg |
The Terasaki Electric At12 Air Circuit Breaker 690Vac manufactured by Terasaki Electric Co., Ltd., well-known for its precision manufacturing and reliability in industrial power management solutions. The At12 series exemplifies excellence in circuit protection, designed to meet the rigorous demands of modern electrical systems.
Built for robust performance, the At12 Air Circuit Breaker features a 3-pole configuration, ensuring comprehensive electrical isolation and protection. Operating at a nominal voltage (Ue) of 690Vac and a frequency of 50/60Hz, it boasts a rated current (In) of 1250A, adhering to international standards such as IEC947-2 and Utilization Category B. This ensures compatibility with a wide range of industrial applications, from manufacturing plants to critical infrastructure. In terms of safety and durability, the At12 is rated with an Ics=100% Icu, capable of handling short-circuit conditions with a short time withstand rating of 50kA for 1 second and a sustained current rating (Icw) of 45kA for 3 seconds. These specifications underscore its reliability in protecting against high-current faults, maintaining operational continuity in challenging conditions. The design incorporates advanced thermal management capabilities, with an ambient temperature rating of up to 45°C, ensuring consistent performance even under extreme conditions. The breakers over-current trip mechanism, AOR-1Bs-AS, offers precise current protection with a base current (Io) of 642A and a CT rating (Ict) of 1250/5A, compatible across a frequency range of 50-60Hz and voltages from AC100-250V and DC24V. 
For enhanced functionality, the At12 integrates auxiliary switches (AXT-1C) with a configuration of 2A2B (BTXS0006-A), facilitating seamless integration into control systems. Additional features include motor charging capabilities at AC110V, tripping under-volt trips, and a robust current transformer (ACT-113B) with a ratio of 1250A/5A (BTC00006B). These components ensure precise monitoring and control of electrical parameters, crucial for maintaining operational efficiency. Manufactured with precision in Japan, each At12 breaker undergoes rigorous quality control measures to meet reliability standards. With a weight of 80 kg, it combines well-built construction with ease of installation, making it an ideal choice for applications where space and reliability are vital concerns.
The Terasaki Electric At12 Air Circuit Breaker 690Vac is a testament to innovation and quality. Whether safeguarding industrial equipment or critical infrastructure, its comprehensive features and robust design ensure better performance and longevity.
Explore the capabilities of theTerasaki Electric At12 Air Circuit Breaker 50/60Hz renowned for its robust design and reliable performance in industrial applications. Manufactured to operate seamlessly at 690Vac with a rated current of 1250A, this circuit breaker adheres to IEC947-2 standards, ensuring optimal electrical protection. With features like a short time withstand capacity of 50Ka and 45Ka, it offers swift response to over-current conditions, safeguarding equipment and personnel.
At Auto2mation, we strive to provide efficient and reliable shipping services to our customers worldwide. Please read the following information regarding our shipping policy:
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.
Stock items are typically shipped from our warehouses within 24 hours of payment confirmation. Delivery times are specified on all quotations, and we provide several options, including Next Day Delivery to many locations. We also offer time-definite and Saturday deliveries to meet your requirements. Once your item(s) have been shipped, we will send you a Shipment Notification email containing the carrier's name and a tracking number with a link to their website, allowing you to track your package.
Understanding the impact and cost of equipment breakdowns, we provide worldwide express delivery for all our products. Through our network of preferred partner warehouses and distribution centers, we offer a unique and efficient service across the globe.
If you prefer to arrange your own shipping, you have the option to do so. However, please note that there may be a charge for packing and handling. To use your own shipping company, please contact our sales team with your account details and the desired service level, and we will assist you accordingly. It is important to highlight that we do not accept responsibility or liability for any loss or damage during transit if you choose your own carrier. It is your responsibility to resolve any issues directly with your shipping company.
Please be aware that any charges related to the import of goods into your country, such as local taxes and customs duties, are your responsibility. We do not accept responsibility or liability for these charges. It is crucial that you comply with the requirements and regulations of your country regarding customs fees.
If you have not received your order or if there are any concerns, please consider the following:
Missing or Delayed Order: Delivery usually takes 1-4 working days from the receipt of payment, depending on the chosen delivery option. In case of a delay or longer delivery time, we will notify you promptly. If you believe your item has been lost or delayed, please contact us for further assistance.
Item Temporarily Out of Stock: If an item is temporarily out of stock but we expect to receive new stock within a reasonable time, we will hold your order and dispatch the item as soon as it becomes available.
Item Unavailable: In the event that an item becomes unavailable or is discontinued by the manufacturer, rendering us unable to fulfill your order, we will contact you promptly. If we are unable to provide a suitable alternative or fulfill your order, we will issue an immediate refund if your payment has already been processed.
Payment Declined or Not Received: If we encounter any issues processing your payment, we will contact you to provide details and request that you update your card or bank information in your account as necessary.
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