Terasaki Electric At12 Air Circuit Breaker 690Vac

table { width: Auto; border-collapse: collapse; font-size: 16px; } th, td { border: 1px solid black; padding: 8px; text-align: left; } th { background-color: #f2f2f2; } 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. At12 Air Circuit Breaker 690Vac   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.