XT1N160 TMD125/1250 FF 3P_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Parameter Specification Product type Molded Case Circuit Breaker (MCCB) Product series ABB SACE Tmax XT1N Poles 3 poles Terminal type Front fixed terminals (FF) Trip unit type TMD (Thermal-magnetic) Adjustable instantaneous (short-circuit) setting 125–1250 A Rated uninterrupted current (Iu) 160 A frame rating Rated operational voltage (Ue) Up to 690 V AC / 500 V DC Rated insulation voltage (Ui) 800 V AC Rated impulse withstand voltage (Uimp) 8 kV Rated service short-circuit breaking capacity (Ics) 50 kA @ 220–230 V AC; 36 kA @ 380–415 V AC; 25 kA @ 500 V AC; 8 kA @ 690 V AC (typical IEC values) Rated ultimate breaking capacity (Icu) Same as Ics depending on voltage Protection functions Overload and short‑circuit protection Standards compliance IEC 60947‑2 Mechanical durability ~25,000 operations Electrical durability ~8,000 operations at rated load Mounting Fixed panel installation Typical applications Industrial and commercial power distribution, feeder protection, motor control centers

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DESCRIBE

The ABB XT1N160 TMD125/1250 FF 3P is a three‑pole molded case circuit breaker from ABB’s SACE Tmax XT1N series, designed for reliable protection of low-voltage electrical distribution systems. It features a TMD thermal-magnetic trip unit with an adjustable instantaneous (short-circuit) setting from 125 A up to 1250 A, providing precise overload and short-circuit protection. The breaker comes with front fixed terminals (FF) for easy installation in switchboards, motor control centers, and industrial panels. Its robust construction ensures dependable performance in industrial and commercial power systems.

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