Legrand 420342 MCCB DPX3 250 MCCB 4 Poles Breaking Capacity Icu 36kA (400 V~) 40A

Buy Legrand 420342 MCCB – DPX³ 250, 40 A, 4‑Pole, 36 kA (400 V~) Electronic‑Release MCCB

Available at ARP Impex – Trusted Exporter of Genuine Legrand MCCBs

The Legrand 420342, part of the high-performance DPX³ 250 electronic-release series, is a 40 A, 4‑pole MCCB featuring microprocessor-based LSI/S2 trip with a breaking capacity of 36 kA at 400 V AC. It’s engineered for reliable overload and short‑circuit protection in industrial and commercial low-voltage electrical systems, conforming to IEC 60947‑2 and NEMA AB‑1 standards.

Technical Specifications

• Product Code: Legrand 420342
• Series: DPX³ 250 (Electronic Release)
• Rated Current: 40 A
• Poles: 4‑Pole (3 Phase + Neutral)
• Breaking Capacity (Icu): 36 kA @ 400 V AC
• Trip Unit: Electronic (LSI/S2) with adjustable settings:
  • Thermal: 0.4–1×In
  • Magnetic: 1.5–10×Ir
• Delay & response adjustability for overload and short-circuit
• Voltage Rating: Up to 690 V AC
• Mounting: Fixed front-terminal; compatible with DIN rail or mounting plate in XL³ enclosures, up to 150 mm² cable connection
• Standards Compliance: IEC 60947‑2, NEMA AB‑1 certified

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

• Accurate protection via electronic trip release (LSI/S2) with selectable thresholds
• High interrupting capacity of 36 kA suitable for heavy-duty circuits
• Compact 4‑pole structure supports both phase and neutral protection
• Designed for ease of panel installation with status windows and accessory compatibility
• High mechanical endurance and system selectivity tailored for critical infrastructures

Applications

• Main feeders and busbar protection in industrial or commercial switchboards
• Motor control panels, HVAC units, and utility circuits
• Power distribution modules in data centers, commercial buildings, and OEM enclosures
• Systems requiring precise electronic protection in a compact form factor

Global Export by ARP Impex

We supply authentic Legrand MCCBs worldwide, covering the Middle East, Africa, Europe, Asia-Pacific, Americas, and Oceania.

• 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 distributor of 100% genuine Legrand MCCBs
• Competitive global pricing with inventory ready to ship
• Expert technical support for accurate product selection and configuration
• Full logistics and export documentation support
• Preferred supplier to EPC contractors, OEMs, panel builders, and electrical consultants worldwide

Request your quote for Legrand 420342 DPX³ 250 – 40 A, 4‑Pole Electronic‑Release MCCB with 36 kA Icu, and receive a fast response with pricing, datasheet, and delivery details.