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Motor Protection Circuit Breaker MPX3 100H 80-100A Adjustable 75kA Short-Circuit Capacity Legrand

BRAND: Legrand
SKU: 417379
$992.70 List price: $1,237.00
1 EA ($992.70 per EA)
+ −
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The Motor Protection Circuit Breaker MPX3 100H is designed for reliable protection of 3-phase motors
Technical Specifications
  • Rated operating voltage: 220-690 V
  • Rated permanent current (Iu): 100 A
  • Overload release current setting: 80-100 A
  • Undelayed short-circuit release adjustment range: 1300 A
  • Rated short-circuit breaking capacity (Icu) at 400 V AC: 75 kA
  • Rated operation power at AC-3, 230 V: 30 kW
  • Rated operation power at AC-3, 400 V: 45 kW
  • Number of poles: 3
  • Degree of protection (IP): IP20
  • Type of electrical connection: Frame clamp
  • Control element: Turn button
  • Device construction: Built-in fixed device
  • Includes integrated auxiliary switch and under voltage release
  • Dimensions (H x L x W): 165mm x 171mm x 70mm
  • Weight: 1.5 kg
Key Features
  • Thermomagnetic switch off technique for reliable motor protection
  • Overload release current setting adjustable from 80-100 A
  • Short-circuit release adjustable range 1300-1300 A
  • Rated short-circuit breaking capacity of 75 kA at 400 V AC
  • Integrated auxiliary switch and under voltage release
  • Compatible with MPX3 auxiliaries
  • Cage terminals capacity from 2mm² to 70mm²
  • Compact size for optimized cabinet space
  • Easy operation with rotary handle
Professional Installation Requirements
  • Installation must be performed by a qualified electrician following Legrand installation instructions and local electrical codes.
Applications
  • Protection of 3-phase motors up to 45kW / 415V
  • Tertiary and industrial electrical installations
  • Control and signalling in switchboards and power cabinets
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Designed with substance-restriction compliance and environmentally conscious manufacturing processes
  • Helps prevent motor damage and energy waste by providing reliable overload and short-circuit protection
Warranty Information

Standard manufacturer warranty applies. Please refer to Legrand's official warranty policy for details.

Available Now

The Legrand Motor Protection Circuit Breaker MPX3 100H 80-100A 50KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.

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