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250A Thermal Magnetic MCCB 25kA | 3 Pole + N | IP30 Rated | by Legrand
The 250A Thermal Magnetic MCCB 25kA is designed for reliable electrical protection in industrial and commercial applications. With a rated voltage of 220-690 V and a short-circuit breaking capacity of 25 kA, this circuit breaker ensures safety and compliance with AS/NZS 3000 standards. Ideal for qualified electricians, it features a built-in fixed device construction and is suitable for DIN rail mounting.
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Product Name/Title: 250A Thermal Magnetic MCCB 25kA | 3 Pole + N | IP30 Rated | by Legrand
Brand: Legrand
SKU: 420750
Alternatively Known As: Molded Case Circuit Breaker, MCCB 250A, Thermal Magnetic Circuit Breaker, Legrand DPX3250 MCCB
Technical Specifications
- Rated permanent current (Iu): 250 A
- Rated voltage: 220-690 V
- Rated short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 25 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: No
- 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
- Dimensions (H x L x W): 140mm x 75mm x 90mm
- Weight: 3.5 kg
Key Features
- Rated permanent current: 250 A
- Rated voltage: 220-690 V
- Short-circuit breaking capacity: 25 kA at 400 V, 50 Hz
- Overload release current setting: 200-250 A
- Adjustment range for short-term delayed and undelayed short-circuit release: 1250-2500 A
- Built-in fixed device construction
- 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
Professional Installation Requirements
- Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into the electrical system.
Applications
- Industrial electrical distribution panels
- Commercial and residential electrical protection
- Motor and circuit protection in electrical installations
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Enhances electrical safety reducing risk of fire and equipment damage
- Durable design reduces need for frequent replacements, minimizing waste
Warranty Information
Legrand provides a standard 2-year warranty covering manufacturing defects and performance issues.
Available Now
The Legrand DPX³ 250 3 Pole + N/2 250A Thermal Magnetic MCCB 25kA is available for immediate purchase, ideal for industrial and commercial electrical protection applications.
