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DPX³250 Thermal Magnetic Release Circuit Breaker | 4 Poles 100A | 25kA Breaking Capacity | IP30 Rated | @EA of 1 | by Legrand

BRAND: Legrand
SKU: 420215
$1,243.70 List price: $1,549.80
+ −
30 Days Return Delivery Options
The DPX³250 thermal magnetic release circuit breaker is designed for reliable protection of low voltage electrical circuits, featuring 4 poles with a 100A rated current and a breaking capacity of 25kA at 400V. Ideal for commercial and industrial applications, it ensures safety and efficiency in power distribution boards, with IP30 protection and optional motor drive for enhanced functionality.

Product Name/Title: DPX³250 Thermal Magnetic Release Circuit Breaker | 4 Poles 100A | 25kA Breaking Capacity | IP30 Rated | @EA of 1 | by Legrand

Brand: Legrand

SKU: 420215

Alternatively Known As: MCCB DPX3250, Legrand DPX 250 Circuit Breaker, 4 Pole 100A MCCB, Thermal Magnetic Circuit Breaker

Technical Specifications
  • Rated permanent current (Iu): 100 A
  • Rated voltage: 220-690 V
  • Rated short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 25 kA
  • Overload release current setting: 80-100 A
  • Adjustment range short-term delayed short-circuit release: 500-1000 A
  • Adjustment range undelayed short-circuit release: 500-1000 A
  • Device construction: Built-in fixed built-in technique
  • Integrated earth fault protection: No
  • Type of electrical connection: Screw connection
  • Suitable for DIN rail mounting: Yes
  • Number of auxiliary contacts (normally closed): 1
  • Number of auxiliary contacts (change-over): 1
  • Switched-off indicator: Yes
  • Integrated undervoltage release: Yes
  • Number of poles: 4
  • Position of connection for main current circuit: Front side
  • Type of control element: Wing knob
  • Complete device with protection unit: Yes
  • Motor drive integrated: No
  • Motor drive optional: Yes
  • Degree of protection (IP): IP30
  • Dimensions (H x L x W): 140mm x 75mm x 90mm
  • Weight: 3.5 kg
Key Features
  • Thermal magnetic release for overload and short circuit protection
  • 4 poles with 100A rated current
  • Breaking capacity of 25kA at 400V, 50 Hz
  • Rated insulation voltage of 800V and impulse withstand voltage of 8kV
  • Manual adjustment range for thermal protection (0.8-1.0 x rated current)
  • Manual adjustment range for magnetic protection (5-10 x rated current)
  • Front side screw connection for main circuit
  • IP30 degree of protection
  • Can be mounted on DIN rail or plate in XL³ cabinets
  • Equipped with auxiliary contacts and undervoltage release
  • Optional motor drive and locking accessories
Professional Installation Requirements
  • Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into switchboards or power cabinets.
Applications
  • Protection of low voltage electrical circuits in commercial and industrial installations
  • Switching, control, and isolation in power distribution boards and switchboards
  • Use in XL³ or XL³ S cabinets and enclosures for electrical distribution
Standards & Compliance
  • Complies with AS/NZS 60947-2 – Low-voltage switchgear and controlgear – Circuit-breakers
Environmental Benefits
  • Enhances electrical safety reducing risk of fire and equipment damage
  • Supports energy efficiency by preventing electrical faults and downtime
Warranty Information

Standard manufacturer warranty applies, typically 1-2 years against manufacturing defects.

Available Now

The Legrand DPX³250 Thermal Magnetic Release Circuit Breaker 4 Poles 100A 25kA is available for immediate purchase, ideal for commercial and industrial electrical protection applications.

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