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MCCB 125A 3P 20kA Breaking Capacity Thermal Magnetic Grey Legrand

BRAND: Legrand
SKU: 27221
$270.00 List price: $336.50
1 EA ($270.00 per EA)
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Legrand MCCB features 125A, 3-pole and 20kA breaking capacity. Thermal magnetic protection for commercial and industrial switchboards.
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.

Y1036G (Y1036G.pdf, 570 Kb) [Download]

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ex223001_0136 (ex223001_0136.pdf, 66 Kb) [Download]

ex223001_0138 (ex223001_0138.pdf, 47 Kb) [Download]

LGRP-01099-V01.01-EN (LGRP-01099-V01.01-EN.pdf, 606 Kb) [Download]

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