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  6. UL489・UL1077 Miniature Circuit Breaker 4230

UL489・UL1077 Miniature Circuit Breaker 4230

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last updated:Mar 04, 2026

イーティーエィコンポーネンツ(E-T-A)
イーティーエィコンポーネンツ(E-T-A)
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Can be used for protecting machine control panels and branch circuits! Achieve multifunctional connections with a wide range of options such as bus bars and contact prevention covers.

The "4230" is a breaker certified under UL489 and UL1077, compliant with the testing standards of US UL standards and Canadian CSA standards. Breakers that meet the conditions of the National Electrical Code (NEC) can be used for the protection of branch circuits. It supports various rated capacities and interrupting capacities, making it suitable for use in the North American market. We offer UL489 1-3 poles (DIN rail mount) and UL1077 1-4 poles (DIN rail mount). 【UL489 Specifications (Partial)】 <1-3 poles (DIN rail mount)> ■ Interrupting method: Thermal-magnetic ■ Rated voltage: AC240V, AC415V, DC60V, DC125V ■ Rated current: 1-63A ■ Interrupting capacity: AC/DC 10,000A ■ Dimensions: D60.2×W17.6×H116mm (1 pole) ■ Modules: Auxiliary contacts, alarm contacts, remote OFF *For more details, please refer to the PDF document or feel free to contact us.

    Other process controls
4230その1.jpg

UL489・UL1077 Miniature Circuit Breaker 4230

4230その1.jpg
4230その1.jpg image_28.png image_10.png 4230その2.jpg image_12.png
  • Related Link - https://www.e-t-a.co.jp/products/e_t_a%E3%81%AE%E8…
  • Special site - Product/service details - https://pr.mono.ipros.com/e-t-a/product/

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【UL1077 Specifications (Partial)】 <1 to 4 Poles (DIN Rail Mount)> ■ Tripping Method: Thermal Magnetic ■ Rated Voltage: AC240V, AC415V, DC60V, DC125V ■ Rated Current: 1 to 63A ■ Breaking Capacity: AC5,000A/DC7,500A ■ Dimensions: D60.2×W17.6×H82mm (1 Pole) ■ Modules: Auxiliary Contacts, Alarm Contacts, Remote OFF *For more details, please refer to the PDF document or feel free to contact us.

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UL489・UL1077 Miniature Circuit Breaker 4230

UL489・UL1077 Miniature Circuit Breaker 4230

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2025 International Robot Exhibition - Exhibition Information

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International Robot Exhibition 2025 Date: December 3 (Wed) - 6 (Sat), 2025, 10:00 AM - 5:00 PM Location: Tokyo Big Sight, West Hall 2 Booth Number: W2-07 Website: https://irex.nikkan.co.jp/?yclid=YSS.1001344693.EAIaIQobChMIn9uL3uG2kAMV6v9MAh06zgenEAAYAiAAEgJPOvD_BwE&sa_p=YSA&sa_cc=1001344693&sa_t=1761100270100&sa_ra=C9 Exhibited Products: REX System (BASE / COM), Circuit Protectors, Power Relays, and many others.

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JASIS 2025 Advanced Science, Analysis Systems & Solutions Exhibition Exhibition Information

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JASIS 2025 Cutting-Edge Science, Analysis Systems & Solutions Exhibition Date: September 3 (Wednesday) to September 5 (Friday), 10:00 AM to 5:00 PM Location: Makuhari Messe International Exhibition Hall, Halls 5-8 Exhibition Booth: Mini Solutions Exhibition Corner S-19 Website: https://www.jasis.jp/ Exhibited Products: 3120, 1410, 1110, REX, SMPS-T, and many others

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Notice of Exhibition at TECHNO-FRONTIER 2025 from July 23 (Wednesday) to July 25 (Friday).

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E-T-A (Japanese corporate name: E-T-A Components Co., Ltd.) will be exhibiting at TECHNO-FRONTIER 2025. Date: July 23 (Wednesday) to July 25 (Friday), 2025 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, West Hall 4 Booth Number: 4-Y31 TECHNO FRONTIER is one of Asia's largest specialized exhibitions showcasing the latest technologies and products in mechatronics, electronics, and related fields.

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MEX Kanazawa 2025 Announcement of Participation from May 15 (Thursday) to May 17 (Saturday)

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E-T-A (Japanese corporation name: E-T-A Components Co., Ltd.) will be exhibiting at MEX Kanazawa 2025 (the 61st Kanazawa Machine Industry Exhibition). *****************************************************************        ◆◆ MEX Kanazawa 2025 ◆◆        61st Kanazawa Machine Industry Exhibition  Date: May 15 (Thursday) to May 17 (Saturday) 10:00 AM to 5:00 PM  Location: Ishikawa Prefectural Industrial Exhibition Hall, Building 4, Booth No. 038 ***************************************************************** <Exhibited Products> ● Overcurrent protection and distribution system REX system ● Switching power supply SMPS-T ● UL489 certified circuit breaker 4230-T(U) ● Switch and circuit protector 3120-N ● PCB-mounted circuit protector 1410-L ● Various circuit protectors ● High voltage contactors 48V to 3000V, 10A to 2000A

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イーティーエィコンポーネンツ(E-T-A)

イーティーエィコンポーネンツ(E-T-A)

Industrial Electrical Equipment

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E-T-A was founded in Germany in 1948 as a specialized manufacturer of circuit protector relays and has since grown into a global leader in overcurrent protection and power distribution systems. With the concept of "We protect lives and assets," our role is to protect people and machines from dangerous situations such as overcurrents and short circuits in electrical circuits. We take pride in having one of the widest product ranges and the highest number of certifications in the world, being recognized globally as a market leader, and continuously evolving by offering various solutions from individual components to complete systems. We own a UL-certified testing laboratory in-house and are committed to the development of global safety standards. The Japanese subsidiary of E-T-A was established in 1994. We aim to provide not only product deliveries but also to visualize our customers' concerns and questions regarding safety and offer appropriate advice through solution-oriented engineering. For us, quality is the culmination of hardware safety and reliability, along with the added value of engineering and services.

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