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Motor Protection Circuit Breaker MPX3 63H 28-40A Adjustable 50kA Short-Circuit Capacity Legrand

BRAND: Legrand
SKU: 417366
$501.00 List price: $624.30
1 EA ($501.00 per EA)
+ −
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The Motor Protection Circuit Breaker MPX3 63H is designed for reliable protection of 3-phase motors up to 18.5 kW at 415V.
Technical Specifications
  • Rated operating voltage: 220-690 V
  • Rated permanent current (Iu): 40 A
  • Rated short-circuit breaking capacity (Icu) at 400 V, AC: 50 kA
  • Rated operation power at AC-3, 230 V: 7.5 kW
  • Rated operation power at AC-3, 400 V: 18.5 kW
  • Number of poles: 3
  • Type of electrical connection: Frame clamp
  • Overload release current setting: 28-40 A
  • Adjustment range undelayed short-circuit release: 520-520 A
  • With thermal overload protection: Yes
  • Phase failure sensitive: No
  • Type of control element: Turn button
  • Device construction: Built-in fixed built-in technique
  • With integrated auxiliary switch: Yes
  • With integrated under voltage release: Yes
  • Degree of protection (IP): IP20
  • Dimensions (H x L x W): 140mm x 145mm x 55mm
  • Weight: 1.5 kg
Key Features
  • Thermomagnetic switch off technique
  • Overload release current setting adjustable from 28-40 A
  • Undelayed short-circuit release adjustment range 520-520 A
  • Thermal overload protection included
  • Integrated auxiliary switch and under voltage release
  • Compatible with MPX3 auxiliaries
  • Cage terminals capacity from 0.75mm² to 35mm²
  • Easy operation with rotary handle
  • Reduced size for optimized cabinet space
  • IP20 degree of protection
Professional Installation Requirements
  • Installation must be performed by a qualified electrician following all relevant safety standards and manufacturer instructions.
Applications
  • Protection of 3-phase motors up to 18.5 kW at 415V
  • Tertiary and industrial electrical installations
  • Control and signalling in switchboards and power cabinets
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Designed with an environmentally conscious process
  • Complies with substance-restriction requirements to reduce hazardous materials
Warranty Information

Standard manufacturer warranty applies; please refer to Legrand for specific warranty terms.

Available Now

The Legrand Motor Protection Circuit Breaker MPX3 63H 28-40A 50KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.

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