Fuji Electric Machine Control (Headquarters in Tokyo) has launched the "G-TWIN" series of wire breakers and earth leakage breakers, designed to meet the global standards that are widely used across the world. This product line includes "Global Products" that support IEC (Europe), New JIS (Japan), CCC (China), and UL489/cUL (US/Canada) specifications, as well as "Standard Models" that support three additional specifications beyond UL489/cUL. The pricing for standard wiring circuit breakers ranges from 28,970 to 590,600 yen, while standard earth leakage circuit breakers range from 820,000 to 1,614,000 yen.
Traditionally, supporting various national standards for general machinery and switchboards in the global market requires a wide range of circuit breakers with different specifications and dimensions. This often leads to challenges in design and inventory management. However, the G-TWIN series addresses these issues by offering a unified size and supporting multiple specifications, which not only streamlines the design process but also significantly reduces inventory costs.
The G-TWIN series incorporates arc flow control technology, allowing the circuit to open more efficiently. Its compact design meets the smallest IEC and New JIS specifications globally, with a volume that is 53% smaller than the previous 250A model. Additionally, the arc energy generated during tripping is reduced by 30%, enhancing safety and performance.
Another notable feature is the built-in "Megatest switch," which simplifies testing procedures. During insulation resistance tests, there's no need to disconnect the wiring of the earth leakage breaker, saving time and effort. Furthermore, according to IEC standards, the leakage circuit breaker can detect faults even when a single phase in a three-phase system fails, improving overall reliability and safety.
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