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MCCB DRX 125 Thermal Magnetic Circuit Breaker | 20 kA Breaking Capacity | 3-Pole Design | @Each of 1 | by Legrand
MCCB DRX 125 Thermal Magnetic Circuit Breaker offers reliable overload and short-circuit protection with a breaking capacity of 20 kA at 415 V~. Designed for industrial and commercial applications, this 3-pole circuit breaker is suitable for DIN rail mounting and features a switched-off indicator and integrated under voltage release, ensuring enhanced electrical safety and compliance with IEC standards.
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Technical Specifications
- Rated permanent current (Iu): 125 A
- Rated voltage: 110-550 V
- Rated short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 20 kA
- Overload release current setting: 125-125 A
- Adjustment range short-term delayed short-circuit release: 1250-1250 A
- Adjustment range undelayed short-circuit release: 1250-1250 A
- Device construction: Built-in fixed built-in technique
- Integrated earth fault protection: No
- Type of electrical connection of main circuit: Screw connection
- Suitable for DIN rail (top hat rail) mounting: Yes
- Number of auxiliary contacts as normally closed contact: 1
- Number of auxiliary contacts as change-over contact: 1
- With switched-off indicator: Yes
- With 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
- Motor drive integrated: No
- Motor drive optional: No
- Degree of protection (IP): IP30
- Dimensions (H x L x W): 110mm x 75mm x 90mm
- Weight: 2.5 kg
Key Features
- Thermal magnetic trip unit for overload and short-circuit protection
- Breaking capacity (Icu) of 20 kA at 415 V~
- Rated current of 125 A
- 3-pole design
- Suitable for DIN rail (top hat rail) mounting
- Screw connection for main circuit
- Includes M5 terminals for currents ≤ 50 A and M8 terminals for currents > 50 A
- Fixed thermal and magnetic release
- With switched-off indicator and integrated under voltage release
- Degree of protection IP30
- Conforms to IEC 60947-2 and NEMA standards
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
- Protection and control of low-voltage electrical circuits in industrial and commercial switchboards
- Switchboards and power cabinets
- Circuit breaker and moulded case switch applications
Standards & Compliance
- AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Enhances electrical safety reducing risk of fire and equipment damage
- Supports energy efficiency by preventing electrical faults and overloads
Warranty Information
Standard manufacturer warranty applies, typically 1-2 years against manufacturing defects.
Available Now
The Legrand MCCB DRX 125 Thermal Magnetic Circuit Breaker is available for immediate purchase, ideal for industrial and commercial electrical protection applications.
