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Circuit Breaker DPX3 250 | 4 Poles | 250A Rated Current | Electronic & Earth Leakage Protection | @EA of 1 | by Legrand
The Circuit Breaker DPX3 250 is designed for robust electrical protection, featuring 4 poles and a rated current of 250A. With electronic protection and integrated earth leakage functionality, it's ideal for commercial and industrial applications. This reliable circuit breaker ensures safety and compliance, making it a perfect choice for medium power distribution panels and switchboards.
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Technical Specifications
- Rated permanent current: 500 A
- Rated voltage: 220-690 V
- Short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 36 kA
- Overload release current setting: 400-500 A
- Undelayed short-circuit release adjustment range: 2500-5000 A
- Device construction: Fixed built-in technique
- Integrated earth fault protection: No
- Main circuit electrical connection: Screw connection
- Number of auxiliary contacts as change-over contact: 2
- Switched-off indicator: Yes
- Integrated undervoltage release: Yes
- Number of poles: 4
- Connection position for main current circuit: Front side
- Control element type: 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): 180mm x 120mm x 140mm
- Weight: 12 kg
Key Features
- Breaking capacity of 50kA according to EN/IEC 60947-2
- Rated insulation voltage of 500V and impulse withstand voltage of 6kV
- Electronic protection with LCD screen for thermal and magnetic current regulation
- Thermal protection adjustable from 0.4 to 1.0 of rated current
- Magnetic protection adjustable from 1.5 to 10 times rated current
- Integrated earth leakage module with adjustable sensitivity and tripping times
- Equipped with undervoltage and shunt release options and auxiliary contacts
- Compatible with rotary handles or motor operators
- Multiple connection accessories including cage terminals and rear terminals
- Available in plug-in version for easy installation
Professional Installation Requirements
- Installation must be performed by a qualified electrician to ensure compliance with safety standards and proper integration into electrical systems.
Applications
- Commercial electrical installations
- Medium power distribution panels
- Industrial power protection systems
- Switchboards and power cabinets
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- AS/NZS 3112 – Plugs and Socket-Outlets (Type I Plug)
Environmental Benefits
- Enhanced electrical safety reduces risk of electrical faults and fires
- Energy-efficient electronic protection minimizes power loss
- Durable design reduces need for frequent replacements, lowering waste
Warranty Information
Standard manufacturer warranty applies, typically 2 years against manufacturing defects.
Available Now
Available for immediate purchase, ideal for commercial and industrial electrical protection applications.
