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Motor Protection Circuit Breaker MPX3 63H | 18-26A Adjustable | 50kA Short-Circuit Capacity | @EA of 1 | by Legrand
The Motor Protection Circuit Breaker MPX3 63H is designed for reliable protection of 3-phase motors up to 11kW at 415V. With an adjustable overload release current setting from 18-26A and a robust 50kA short-circuit breaking capacity, it’s perfect for industrial and tertiary electrical installations. Built with a thermomagnetic switch-off technique and integrated auxiliary switch, this breaker ensures optimal performance and safety in your electrical systems.
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Product Name/Title: Motor Protection Circuit Breaker MPX3 63H | 18-26A Adjustable | 50kA Short-Circuit Capacity | @EA of 1 | by Legrand
Brand: Legrand
SKU: 417364
Alternatively Known As: Motor Protection Circuit Breaker, MPX3 Motor Breaker, Legrand MPX3 63H, Motor Overload Breaker
Technical Specifications
- Rated operating voltage: 220-690 V
- Rated permanent current (Iu): 26 A
- Overload release current setting: 18-26 A
- Undelayed short-circuit release adjustment: 338 A
- Rated operation power at AC-3, 230 V: 5.5 kW
- Rated operation power at AC-3, 400 V: 11 kW
- Number of poles: 3
- Degree of protection: IP20
- Type of electrical connection: Frame clamp
- Device construction: Built-in fixed built-in technique
- Switch off technique: Thermomagnetic
- Integrated auxiliary switch: Yes
- Integrated under voltage release: Yes
- Cage terminals capacity: 0.75mm² to 35mm² / 2 x 0.75mm² to 25mm²
- 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 18-26 A
- Undelayed short-circuit release adjustment range 338-338 A
- Rated short-circuit breaking capacity of 50 kA at 400 V AC
- Integrated auxiliary switch and under voltage release
- Compatible with MPX3 auxiliaries
- Cage terminals capacity from 0.75mm² to 35mm²
- Easy operation with rotary handle
- Compact size for optimized cabinet space
Professional Installation Requirements
- Installation should be performed by a qualified electrician following Legrand installation instructions and local electrical codes.
Applications
- Protection of 3-phase motors up to 11kW at 415V
- Tertiary and industrial electrical installations
- Control and signalling in switchboards and power cabinets
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Designed with substance-restriction compliance and environmentally conscious manufacturing processes
Warranty Information
Standard manufacturer warranty applies. Please refer to Legrand warranty terms for details.
Available Now
The Legrand Motor Protection Circuit Breaker MPX3 63H 18-26A 50KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.
