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Thermal Magnetic MCCB 3 Pole 125A | 50kA Short-Circuit Capacity | Earth Leakage Protection | @EA of 1 | by Legrand
The Thermal Magnetic MCCB 3 Pole 125A 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 power distribution systems, making it a must-have for qualified electricians.
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Technical Specifications
- Rated permanent current (Iu): 125 A
- Rated voltage: 220-690 V
- Rated short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 50 kA
- Overload release current setting: 100-125 A
- Adjustment range short-term delayed short-circuit release: 1250 A
- Adjustment range undelayed short-circuit release: 1250 A
- Device construction: Built-in fixed technique
- 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: 3
- Position of connection for main current circuit: Front side
- Type of control element: Wing knob
- Complete device with protection unit: Yes
- 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: 125 A
- Rated voltage: 220-690 V
- Short-circuit breaking capacity: 50 kA at 400 V, 50 Hz
- Overload release current setting adjustable from 100-125 A
- Integrated earth fault protection
- Screw connection for main circuit
- Suitable for DIN rail (top hat rail) mounting
- Includes auxiliary contacts (1 normally closed, 1 change-over)
- Switched-off indicator and integrated under voltage release
- Degree of protection: IP30
- Built-in device with fixed built-in technique
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 building electrical protection
- Power distribution systems requiring earth leakage protection
- Motor control centers and switchboards
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- Integrated earth leakage protection enhances electrical safety and reduces risk of electrical fires.
- High breaking capacity reduces equipment damage and waste by effectively interrupting fault currents.
Warranty Information
Legrand provides a standard 2-year warranty covering manufacturing defects and performance issues under normal use.
Available Now
The Legrand DPX³ 160 3 Pole + N/2 125A Thermal Magnetic MCCB with Earth Leakage Module 50kA is available for immediate purchase. Ideal for industrial and commercial electrical protection applications.
