LV431790 Schneider Electric Molded Case Circuit Breakers (MCCB)


Part#:LV431790
Manufacturer:Schneider Electric
Category:Molded Case Circuit Breakers (MCCB)
Product Lifecycle:Active
Product description
Schneider Electric LV431790 is a Moulded Case Circuit Breaker (MCCB) within the NSX250H sub-range, designed for lug connection and featuring 3 poles. It offers protection functions including L (Long-time protection) adjustable from 0.4 to 1 x In, S0 (Short-time protection with fixed time delay) adjustable from 1.5 to 10 x Ir, and I (Instantaneous protection) fixed at 3000A. The rated current is 250A, with a rated insulation voltage (Ui) of 800 V, and a rated impulse voltage (Uimp) of 8 kV. The trip current rating and frame current rating are both 250 AT and 250 AF, respectively. It boasts a mechanical durability of 20,000 operations at no load and an electrical durability of 20,000 operations at 440Vac; In/2 and 10,000 operations at 440Vac; In. The rated voltage (AC) phase-to-phase is 690 V, with all three poles protected. The trip unit type is Micrologic 2.2 (LI) Interchangeable Electronic, and it falls under utilisation category A.
Product condition
New Factory Sealed
New Factory Sealed - New condition, never used, original OEM part with original packaging and factory seal.
Manufacturer warranty
LV431790 Schneider Electric
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About the manufacturer
Powermatic Associates is an authorized Schneider Electric distributor, proudly offering a diverse portfolio of innovative solutions tailored to meet the dynamic needs of today's industrial landscape. Schneider Electric stands as a global leader in energy management and automation, providing cutting-edge products and services that drive efficiency and sustainability across a variety of sectors. The...
About the Product Category
An MCCB, or Molded Case Circuit Breaker, is an electrical safety device that automatically disconnects electrical power when it identifies an overload, short circuit, or ground fault. Its purpose is to safeguard an electrical circuit from harm due to excessive current caused by an overload or short circuit.

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FAQ
Out if stock but available for backorder.
Schneider Electric LV431790 is a Moulded Case Circuit Breaker (MCCB) within the NSX250H sub-range, designed for lug connection and featuring 3 poles. It offers protection functions including L (Long-time protection) adjustable from 0.4 to 1 x In, S0 (Short-time protection with fixed time delay) adjustable from 1.5 to 10 x Ir, and I (Instantaneous protection) fixed at 3000A. The rated current is 250A, with a rated insulation voltage (Ui) of 800 V, and a rated impulse voltage (Uimp) of 8 kV. The trip current rating and frame current rating are both 250 AT and 250 AF, respectively. It boasts a mechanical durability of 20,000 operations at no load and an electrical durability of 20,000 operations at 440Vac; In/2 and 10,000 operations at 440Vac; In. The rated voltage (AC) phase-to-phase is 690 V, with all three poles protected. The trip unit type is Micrologic 2.2 (LI) Interchangeable Electronic, and it falls under utilisation category A.
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