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Motor Protection Circuit Breaker MPX3 32H 14-22A Adjustable 50kA Short-Circuit Capacity Legrand

BRAND: Legrand
SKU: 417333
$218.70 List price: $272.50
1 EA ($218.70 per EA)
+ −
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The Motor Protection Circuit Breaker MPX3 32H is designed for reliable protection of 3-phase motors up to 7.5 kW.
Technical Specifications
  • Rated operating voltage: 220-690 V
  • Rated permanent current (Iu): 22 A
  • Overload release current setting: 14-22 A
  • Undelayed short-circuit release adjustment: 286 A
  • Rated operation power at AC-3, 230 V: 4 kW
  • Rated operation power at AC-3, 400 V: 7.5 kW
  • Number of poles: 3
  • Switch off technique: Thermomagnetic
  • Screw terminals capacity: 1mm² to 10mm² / 2 x 1mm² to 6mm²
  • Integrated auxiliary switch and undervoltage release
  • Degree of protection: IP20
  • Mounting: 35 mm top hat rail (IEC 60715)
  • Dimensions (H x L x W): 94mm x 100mm x 45mm
  • Weight: 0.3 kg
Key Features
  • Thermomagnetic switch off technique
  • Overload release current setting adjustable from 14-22 A
  • Undelayed short-circuit release adjustment range 286 A
  • Rated short-circuit breaking capacity (Icu) of 50 kA at 400 V AC
  • Integrated auxiliary switch and undervoltage release
  • Screw terminals capacity from 1mm² to 10mm²
  • Compatible with MPX3 auxiliaries
  • Compact size for optimized cabinet space
  • IP20 degree of protection
Professional Installation Requirements
  • Installation must be performed by a qualified electrician following all relevant electrical standards and safety regulations.
Applications
  • Protection of 3-phase motors up to 7.5 kW / 415 V
  • Tertiary and industrial electrical installations
  • Control and signalling in switchboards and power cabinets
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
  • AS/NZS 3123 – Industrial Plugs and Socket-Outlets
Environmental Benefits
  • Designed with substance-restriction compliance and environmentally conscious manufacturing processes
Warranty Information

Standard manufacturer warranty applies. Please refer to Legrand for specific warranty terms.

Available Now

The Legrand Motor Protection Circuit Breaker MPX3 32H 14-22A 50KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.

F01988FR-05 (F01988FR-05.pdf, 2,814 Kb) [Download]

LE07207AB (LE07207AB.pdf, 4,153 Kb) [Download]

F01988EN-05 (F01988EN-05.pdf, 2,795 Kb) [Download]

Technical Guide: Protection and control of 3-phase asynchronous motors (EXB19046_TG_3phase-asynchronous-motors_EN.pdf, 5,963 Kb) [Download]

ex223001_0270 (ex223001_0270.pdf, 85 Kb) [Download]

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