Legrand 420339 MCCB DPX3 250 MCCB 3 Poles Breaking Capacity Icu 36kA (400 V~) 250A

AMP Rating 250 A
Poles 3P
Breaking Capacity 36 kA

Buy Legrand 420339 MCCB – DPX³ 250, 250 A, 3‑Pole, 36 kA (400 V~) Electronic‑Release (S2/LSI) MCCB

Available at ARP Impex – Your Trusted Exporter of Genuine Legrand DPX³ 250 MCCBs

The Legrand 420339 is a high-performance 3‑pole, 250 A MCCB part of the DPX³ 250 electronic-release family, offering precise disablement with a breaking capacity of 36 kA at 400 V AC. Its advanced electronic (LSI/S2) trip unit enables accurate overload and short-circuit protection, ideal for critical industrial and commercial power distribution applications compliant with IEC 60947‑2 standards.

Specifications

  • Product Code: Legrand 420339
  • Series: DPX³ 250 (Electronic Release)
  • Rated Current: 250 A
  • Poles: 3‑Pole (Three‑Phase)
  • Breaking Capacity (Icu): 36 kA @ 400 V AC
  • Trip Unit: Electronic LSI/S2 microprocessor type
    • Thermal adjustable: 0.4–1×In
    • Magnetic adjustable: 1.5–10×Ir
  • Voltage Rating: 220–690 V AC (400 V nominal)
  • Mounting Type: Fixed front-terminal, supporting cable lug or bar connections up to 150 mm²
  • Product Compliance: IEC 60947‑2, NEMA AB‑1 (where applicable)

Product Features :

Protection against overloads:

  • lr adjustable from 0.4 to 1 x ln
  • Tr adjustable from 3 to 15s

Protection against short circuits:

  • lsd adjustable from 1.5 to 10 x lr
  • Tsd adjustable from 0 to 0.5s

Main Features :

  • MCCBs are used for switching, remote tripping and protection of low voltage electrical systems
  • MCCBs can be fitted with accessories and DPX3 common auxiliaries
  • They are supplied with insulated shileds, screw terminals 120 mm2 max. (flexible cable) or 150 mm2 max. rigid cable with accessories
  • Conform to IEC 60947-2

Key Features

  • Electronic trip technology (LSI/S2) ensures high selectivity and protection coordination
  • Adjustable overcurrent trip settings for precise system configuration
  • High interrupting capacity of 36 kA suitable for mid-to-high fault level environments
  • Compact 3‑pole design with integrated status indicators
  • Compatible with broad range of DPX³ accessories including auxiliary contacts, lock-outs, and modular mounting solutions

Applications

Designed for demanding environments such as:

  • Main incomer and feeder panels in industrial, commercial, and infrastructure installations
  • Motor feeder circuits and HVAC systems
  • OEM switchgear and modular power distribution panels where selectivity and space optimization matter

Global Export Capability by ARP Impex

  • Middle East : Bahrain, Egypt, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, UAE
  • African Countries : Morocco, Tunisia, Ghana, Nigeria, Senegal, Kenya, Mauritius, Rwanda, Tanzania, Uganda, Zambia, Botswana, Eswatini, Lesotho, Namibia, South Africa,
  • European Countries : Germany, UK, France, Italy, Netherlands, Spain, Belgium, Poland, Czech Republic, Sweden, Denmark, Finland, Portugal, Hungary, Slovakia, Slovenia, Romania, Austria
  • Asian Countries : Japan, South Korea, Singapore, Malaysia, Vietnam, Indonesia, Thailand, Philippines, Bangladesh, Sri Lanka, Nepal
  • Pan Pacific Countries : USA, Canada, Mexico, Brazil, Chile, Colombia, Peru, Panama, Australia, New Zealand, Singapore

Why Choose ARP Impex?

  • Official supplier of authentic Legrand MCCBs with genuine warranty support
  • Ready stock with competitive export pricing
  • Expert technical guidance for correct application and integration
  • Smooth export logistics and comprehensive documentation handling
  • Preferred vendor for EPC contractors, panel builders, OEMs, and electrical consultants globally

Request a quote for Legrand 420339 DPX³ 250 – 250 A, 3‑Pole Electronic‑Release MCCB with 36 kA Icu. We’ll promptly send pricing, datasheet, and delivery timeline details.

SKU: 420339 Category: