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Circuit Breaker DPX3 630 | 320A Rated Current | Thermal Magnetic Protection | 3 Poles | @EA of 1 | by Legrand

BRAND: Legrand
SKU: 422080
$5,698.70 List price: $7,101.50
+ −
30 Days Return Delivery Options
The Circuit Breaker DPX3 630 is designed for high power industrial applications, featuring a rated current of 320A and thermal magnetic protection. Ideal for switchboards and power cabinets, this robust breaker ensures safety and reliability in electrical distribution systems, making it perfect for commercial and industrial settings.

Product Name/Title: Circuit Breaker DPX3 630 | 320A Rated Current | Thermal Magnetic Protection | 3 Poles | @EA of 1 | by Legrand

Brand: Legrand

SKU: 422080

Alternatively Known As: DPX3 630 Circuit Breaker, Legrand 3 Pole Circuit Breaker, Thermal Magnetic Circuit Breaker 320A, Industrial Circuit Breaker DPX3

Technical Specifications
  • Rated permanent current: 630 A
  • Rated voltage: 220-690 V
  • Short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 70 kA
  • Overload release current setting: 252-630 A
  • Short-term delayed short-circuit release adjustment: 378-6300 A
  • Undelayed short-circuit release adjustment: 5000 A
  • Device construction: Fixed built-in technique
  • Integrated earth fault protection: No
  • Main circuit electrical connection: Screw connection
  • Number of auxiliary contacts: 2 change-over contacts
  • Switched-off indicator: Yes
  • Integrated under voltage release: Yes
  • Number of poles: 3
  • Connection position for main current circuit: Front side
  • Control element type: Wing knob
  • Complete device with protection unit: Yes
  • Motor drive integrated: No, optional available
  • Degree of protection (IP): IP30
  • Dimensions (H x L x W): 200mm x 120mm x 150mm
  • Weight: 10 kg
Key Features
  • Breaking capacity of 50kA compliant with EN/IEC 60947-2
  • Rated insulation voltage of 800V and impulse withstand voltage of 8kV
  • Thermal protection adjustable from 0.8 to 1.0 of rated current
  • Magnetic protection adjustable from 5 to 10 times rated current
  • Can be equipped with undervoltage and shunt releases, auxiliary contacts
  • Compatible with rotary handles or motor operators
  • Locking accessories and various connection accessories available
  • Available in plug-in version with special terminals
  • Optional earth leakage protection module can be added
Professional Installation Requirements
  • Installation must be performed by a qualified electrician experienced with high power industrial circuit breakers to ensure compliance with safety standards and correct configuration.
Applications
  • Industrial power installations requiring high power circuit protection
  • Switchboards and power cabinets in commercial and industrial settings
  • Modular switchgear systems for electrical distribution
Standards & Compliance
  • Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enhances electrical safety reducing risk of faults and fires
  • Durable design reduces need for frequent replacements
  • Supports energy-efficient power distribution systems
Warranty Information

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

Available Now

The Legrand DPX3 630 3-pole circuit breaker is available for immediate purchase, ideal for industrial and commercial power distribution applications.

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