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Circuit Breaker DPX3 630 | 3 Poles | 400A Thermal Magnetic Protection | IP30 Rated | @EA of 1 | by Legrand

BRAND: Legrand
SKU: 422068
$3,183.20 List price: $3,966.70
+ −
30 Days Return Delivery Options
The Circuit Breaker DPX3 630 is designed for industrial power installations, featuring 3 poles and a rated current of 400A with thermal magnetic protection. Ideal for switchboards and modular switchgear systems, it ensures high power circuit protection and compliance with safety standards, enhancing electrical safety and energy efficiency.

Product Name/Title: Circuit Breaker DPX3 630 | 3 Poles | 400A Thermal Magnetic Protection | IP30 Rated | @EA of 1 | by Legrand

Brand: Legrand

SKU: 422068

Alternatively Known As: Legrand DPX3 630 Circuit Breaker, 3 Pole 400A Breaker, Thermal Magnetic Circuit Breaker, Industrial Circuit Breaker 400A

Technical Specifications
  • Rated permanent current: 400 A
  • Rated voltage: 220-690 V
  • Rated short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 50 kA
  • Overload release current setting: 160-400 A
  • Adjustment range short-term delayed short-circuit release: 240-4000 A
  • Adjustment range undelayed short-circuit release: 5000 A
  • Device construction: Built-in fixed built-in technique
  • Integrated earth fault protection: No
  • Type of electrical connection: Screw connection
  • Number of auxiliary contacts as change-over contact: 2
  • With switched-off indicator: Yes
  • With integrated under voltage release: Yes
  • Number of poles: 3
  • 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): 200mm x 120mm x 150mm
  • Weight: 10 kg
Key Features
  • Breaking capacity of 36kA according to 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
  • IP30 degree of protection
Professional Installation Requirements
  • Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into power distribution systems.
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
  • AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
  • Enhances electrical safety reducing risk of faults and electrical fires
  • Supports energy efficiency by protecting electrical systems from overloads
  • Durable design reduces need for frequent replacements, minimizing waste
Warranty Information

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

Available Now

The Legrand DPX3 630 3-pole circuit breaker with 400A thermal magnetic protection is available for immediate purchase, ideal for industrial and commercial electrical installations requiring reliable circuit protection.

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