Legrand 420549 MCCB DPX3 250 MCCB 3 Poles Breaking Capacity Icu 50kA (400 V~) 250A Microprocessor release MCCBs with earth fault protection

Buy Legrand 420549 MCCB – DPX³ 250, 250A, 3-Pole, 50kA (400V~) Microprocessor Release MCCB with Earth Fault Protection

Available at ARP Impex – Leading Exporter of Genuine Legrand MCCBs

The Legrand 420549 MCCB DPX³ 250 is a high-performance 3-pole Moulded Case Circuit Breaker rated at 250A. Engineered to provide dependable protection in industrial and commercial electrical systems, it features a breaking capacity of 50kA at 400V AC. The MCCB includes an advanced microprocessor-based release with earth fault protection, enabling precise detection and swift interruption of overloads, short circuits, and earth faults. Designed according to IEC 60947-2 standards, this MCCB ensures enhanced safety, longevity, and reliable operation in critical power distribution applications.

Specifications

• Product Code: Legrand 420549
• Series: DPX³ 250
• Rated Current: 250 Amps
• Poles: 3-Pole (3 Phase)
• Breaking Capacity (Icu): 50kA at 400V AC
• Release Type: Microprocessor release with earth fault protection
• Voltage Rating: Up to 400V AC
• Mounting Type: Fixed
• Standard Compliance: IEC 60947-2

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

Protection against earth fault:

• lg adjustable: from 0.2 to 1 x ln and OFF position
• Tg adjustable from 0.1 to 1s

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

• 3-pole MCCB suitable for three-phase systems
• High short-circuit breaking capacity of 50kA for maximum protection
• Sophisticated microprocessor-based trip unit for accurate fault detection
• Integrated earth fault protection for enhanced safety
• Compact and durable design for easy installation and maintenance
• Ideal for new installations and retrofit projects

Applications

• Power distribution in industrial and commercial buildings
• Protection of motors, transformers, and generators
• Electrical systems in hospitals, data centers, shopping malls
• HVAC systems, pumps, and motor control circuits
• OEMs, electrical panel builders, and EPC contractors

We Actively Export to:

Why ARP Impex?

• 100% genuine Legrand MCCBs with verified sourcing
• Competitive pricing and timely global delivery
• Robust export network ensuring smooth logistics
• Expert technical advice for selecting the right MCCB
• Trusted by contractors, OEMs, panel builders & EPC firms

Request your quote for Legrand 420549 DPX³ 250 MCCB – 250A, 3-Pole with microprocessor release and earth fault protection.