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DPX³250 Thermal Magnetic Release Circuit Breaker | 4 Poles 100A | 25kA Breaking Capacity Legrand

BRAND: Legrand
SKU: 420215
$1,243.70 List price: $1,549.80
1 EA ($1,243.70 per EA)
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The DPX³250 thermal magnetic release circuit breaker is designed for reliable protection of low voltage electrical circuits
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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