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Thermal Magnetic MCCB 250A | 50kA Short-Circuit Capacity | Earth Leakage Protection | @Each of 1 | by Legrand
The Thermal Magnetic MCCB 250A is designed for robust electrical protection, featuring a 50kA short-circuit breaking capacity and integrated earth leakage protection. Ideal for industrial and commercial applications, this device ensures safety and reliability in electrical distribution systems, making it a must-have for qualified electricians.
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Product Name/Title: Thermal Magnetic MCCB 250A | 50kA Short-Circuit Capacity | Earth Leakage Protection | @Each of 1 | by Legrand
Brand: Legrand
SKU: 420755
Alternatively Known As: Thermal Magnetic MCCB, Earth Leakage Circuit Breaker, DPX3250 MCCB, 3 Pole MCCB with Neutral, 250A MCCB with RCD
Technical Specifications
- Rated permanent current (Iu): 250 A
- Rated voltage: 220-690 V
- Rated short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 50 kA
- Overload release current setting: 200-250 A
- Adjustment range short-term delayed short-circuit release: 1250-2500 A
- Adjustment range undelayed short-circuit release: 1250-2500 A
- Device construction: Built-in fixed device
- Integrated earth fault protection: Yes
- 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 under voltage release: Yes
- Number of poles: 4
- Position of connection for main current circuit: Front side
- Type of control element: Wing knob
- Degree of protection (IP): IP30
- Contains non-rechargeable lithium battery (CR1616)
- Dimensions (H x L x W): 150mm x 120mm x 100mm
- Weight: 5 kg
Key Features
- Rated permanent current: 250 A
- Rated voltage: 220-690 V
- Short-circuit breaking capacity: 50 kA at 400 V, 50 Hz
- Overload release current setting adjustable from 200-250 A
- Short-circuit release adjustable from 1250-2500 A
- Built-in fixed device construction
- Integrated earth fault protection
- Screw connection for main circuit
- Suitable for DIN rail (top hat rail) mounting
- Auxiliary contacts: 1 normally closed, 1 change-over
- Switched-off indicator included
- Integrated under voltage release
- 4 poles with front side connection
- Wing knob control element
- Degree of protection: IP30
- Includes non-rechargeable lithium battery for device operation
Professional Installation Requirements
- Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into the electrical distribution system.
Applications
- Industrial electrical distribution panels
- Commercial and residential electrical protection systems
- Motor and equipment circuit protection
- Electrical switchboards requiring earth leakage protection
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- Integrated earth leakage protection enhances electrical safety and reduces risk of electrical fires.
- Durable design reduces need for frequent replacements, minimizing waste.
- Energy efficient operation helps reduce power losses in electrical systems.
Warranty Information
Legrand provides a standard 2-year warranty covering manufacturing defects and performance issues under normal use.
Available Now
The Legrand DPX³ 250 3 Pole + N/2 250A Thermal Magnetic MCCB with Earth Leakage Module 50kA is available for immediate purchase. Ideal for industrial and commercial electrical protection applications.
