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DPX³630 Thermal Magnetic Release Circuit Breaker | 3 Poles 320A | 36kA Breaking Capacity | IP30 Rated | @Each of 1 | by Legrand

BRAND: Legrand
SKU: 422001
$3,184.10 List price: $3,967.90
+ −
30 Days Return Delivery Options
The DPX³630 thermal magnetic release circuit breaker is designed for high power industrial electrical protection, featuring a rated permanent current of 320A and a breaking capacity of 36kA at 400V. Ideal for switchboards and power cabinets, this circuit breaker ensures reliable overload and short circuit protection, making it essential for industrial installations.

Product Name/Title: DPX³630 Thermal Magnetic Release Circuit Breaker | 3 Poles 320A | 36kA Breaking Capacity | IP30 Rated | @Each of 1 | by Legrand

Brand: Legrand

SKU: 422001

Alternatively Known As: DPX3 630 Circuit Breaker, Thermal Magnetic Circuit Breaker 320A, Legrand 3 Pole Circuit Breaker, Industrial Circuit Breaker 36kA

Technical Specifications
  • Rated permanent current: 320 A
  • Rated voltage: 220-690 V
  • Short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 36 kA
  • Overload release current setting: 256-320 A
  • Undelayed short-circuit release adjustment range: 1600-3200 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: No
  • Number of auxiliary contacts as change-over contact: 2
  • Switched-off indicator: Yes
  • Integrated undervoltage 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
  • Thermal magnetic release for overload and short circuit protection
  • Breaking capacity of 36kA at 400V, compliant with EN/IEC 60947-2
  • Rated permanent current of 320A
  • Manual adjustment range for thermal protection (0.8-1.0 x rated current)
  • Manual adjustment range for magnetic protection (5-10 x rated current)
  • Supplied with fixing screws, connection plate for bars, and insulated shields
  • Can be equipped with earth leakage module, residual current relay, auxiliaries, rotary handle, motor-driven handle, and locking accessory
  • IP30 degree of protection
  • Front side screw connection for main circuit
  • 2 auxiliary change-over contacts and switched-off indicator
  • Integrated undervoltage release
Professional Installation Requirements
  • Installation must be performed by a qualified electrician familiar with industrial circuit breakers and compliant with local electrical codes.
Applications
  • Industrial electrical installations requiring high power circuit protection
  • Switchboards and power cabinets
  • Modular switches and circuit breakers for commercial and industrial use
Standards & Compliance
  • AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
  • Protects electrical systems from damage, reducing waste and downtime
  • Supports energy efficiency by preventing electrical faults and losses
Warranty Information

Standard manufacturer warranty applies. Please refer to Legrand's official warranty policy for details.

Available Now

The Legrand DPX³630 thermal magnetic release circuit breaker is available for immediate purchase, ideal for high power industrial electrical protection applications.

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