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LV431749 Schneider Electric Molded Case Circuit Breakers (MCCB)

LV431749 on Powermatic Associates
Schneider Electric

Part#:LV431749

Manufacturer:Schneider Electric

Category:Molded Case Circuit Breakers (MCCB)

Product Lifecycle:Active

Product description

Schneider Electric LV431749 is a Moulded Case Circuit Breaker (MCCB) within the NSX250F sub-range, designed for lug connection and equipped with three poles. It features magnetic protection for short-circuit incidents, with a rated current of 150A and a rated insulation voltage (Ui) of 800V. The protection settings for short-circuit pickup current are adjustable from 9 to 14 times the rated current (In). This MCCB has a rated impulse voltage (Uimp) of 8 kV and a frame current rating of 250 AF. It boasts a mechanical durability of 20,000 operations at no load and an electrical durability of 20,000 operations at 440Vac with half the rated current (In/2), and 10,000 operations at 440Vac with the rated current (In). The rated voltage for phase-to-phase connections is 690V, and all three poles are protected. The trip unit type is an MA Interchangeable Magnetic-only, 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

LV431749 Schneider Electric

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About the manufacturer

Schneider Electric

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.

Molded Case Circuit Breakers (MCCB)

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LV430470 on Powermatic Associates

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Schneider Electric LV430470 is a trip unit designed for use in electrical circuit protection. It belongs to the Micrologic 2.2 (LI) sub-range and functions as a trip unit alone. This model is equipped with three poles and offers protection functions including Long-time protection (L), Short-time protection with fixed time delay (S0), and Instantaneous protection (I). The rated current for this unit is 160A. Its protection settings are adjustable, with Long-time protection (L) ranging from 0.4 to 1 times the rated current (In), Short-time protection (S0) adjustable from 1.5 to 10 times the rated current (Ir), and Instantaneous protection (I) fixed at 2400A. The trip current rating stands at 160 AT, and it protects all three poles. The LV430470 features an interchangeable electronic trip unit type, specifically the Micrologic 2.2 (LI).

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Schneider Electric LV432072 is a trip unit designed for use in electrical circuit protection. It belongs to the Micrologic 2.3M (LI) sub-range and functions as a trip unit alone. This model is equipped with three poles and offers protection functions including long-time protection (L), short-time protection with fixed time delay (S0), and instantaneous protection (I), along with phase unbalance or phase loss detection. The rated current for this unit is 320A. Protection settings are adjustable for long-time protection from 0.5 to 1 x In and for short-time protection from 5 to 13 x Ir. Instantaneous protection is fixed at 4800A, with a trip for >30% unbalance; the time delay is set at 0.7s during starting and 4s during normal operation. All three poles are protected, and the trip unit type is an interchangeable electronic Micrologic 2.3M (LI).

Schneider Electric

FAQ

Out if stock but available for backorder.

Schneider Electric LV431749 is a Moulded Case Circuit Breaker (MCCB) within the NSX250F sub-range, designed for lug connection and equipped with three poles. It features magnetic protection for short-circuit incidents, with a rated current of 150A and a rated insulation voltage (Ui) of 800V. The protection settings for short-circuit pickup current are adjustable from 9 to 14 times the rated current (In). This MCCB has a rated impulse voltage (Uimp) of 8 kV and a frame current rating of 250 AF. It boasts a mechanical durability of 20,000 operations at no load and an electrical durability of 20,000 operations at 440Vac with half the rated current (In/2), and 10,000 operations at 440Vac with the rated current (In). The rated voltage for phase-to-phase connections is 690V, and all three poles are protected. The trip unit type is an MA Interchangeable Magnetic-only, and it falls under utilisation category A.

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