TERASAKI XS400NS Molded Case Circuit Breaker

Buy the TERASAKI XS400NS 300A 3-Pole Molded Case Circuit Breaker (MCCB). Belonging to the trusted TemBreak series, this Japanese-manufactured breaker features an adjustable magnetic trip, 690V insulation, and full IEC/JIS compliance for safe, high-performance industrial power distribution and circuit protection.

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TERASAKI XS400NS Molded Case Circuit Breaker

The TERASAKI XS400NS is a high-performance Molded Case Circuit Breaker (MCCB) from the highly regarded TemBreak series, expertly engineered for robust electrical protection in industrial and commercial applications. Manufactured in Japan by Terasaki Electric Co., Ltd., this 3-pole circuit breaker delivers a rated current of 300A and a high insulation voltage of 690V. It features an adjustable magnetic trip setting (Im) that ranges from 5 to 10 times the rated current (5, 6, 7.1, 8.5, 10 x In), allowing for precise short-circuit protection tailored to your system’s needs. Fully compliant with stringent international standards including IEC 60947-2 and JIS C 8201-2-1, the XS400NS guarantees exceptional safety and reliability. With impressive breaking capacities, such as 50kA at 380V/415V and 85kA at 200V/240V, this MCCB is the ultimate solution for safeguarding critical power distribution networks.

Technical Specifications:

  • Brand: TERASAKI

  • Model: XS400NS

  • Series: TemBreak

  • Number of Poles: 3 Pole

  • Rated Current (In): 300A

  • Rated Insulation Voltage (Ui): 690V AC

  • Operating Frequency: 50/60 Hz

  • Adjustable Magnetic Trip (Im): 5 – 10 x In (5, 6, 7.1, 8.5, 10)

  • Breaking Capacity (Icu/Ics) @ 200/240V: 85kA / 42.5kA

  • Breaking Capacity (Icu/Ics) @ 380/415V: 50kA / 25kA

  • Breaking Capacity (Icu/Ics) @ 440V: 42kA / 21kA

  • Breaking Capacity (Icu/Ics) @ 500V: 35kA / 17.5kA

  • Breaking Capacity (Icu/Ics) @ 690V: 18kA / 9kA

  • Standards Compliance: IEC 60947-2, JIS C 8201-2-1

  • Country of Origin: Made in Japan

TERASAKI XS400NS Molded Case Circuit Breaker Description

BrandTERASAKI
ModelXS400NS

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