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Motor Protection Circuit Breaker MPX3 63H | 14-22A Adjustable | 50kA Short-Circuit Capacity | IP20 Rated | @EA of 1 | by Legrand
The Motor Protection Circuit Breaker MPX3 63H is designed for reliable motor protection, featuring an adjustable overload release current setting from 14 to 22 A and a robust 50kA short-circuit breaking capacity. Ideal for industrial and tertiary applications, this breaker ensures optimal safety and performance for 3-phase motors up to 7.5 kW, making it a perfect choice for switchboards and power cabinets.
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Product Name/Title: Motor Protection Circuit Breaker MPX3 63H | 14-22A Adjustable | 50kA Short-Circuit Capacity | IP20 Rated | @EA of 1 | by Legrand
Brand: Legrand
SKU: 417363
Alternatively Known As: Motor Protection Circuit Breaker, MPX3 Motor Breaker, Legrand MPX3 Circuit Breaker, Motor Overload Protector
Technical Specifications
- Overload release current setting: 14-22 A
- Undelayed short-circuit release adjustment: 286 A
- Thermomagnetic switch-off technique
- Rated operating voltage: 220-690 V
- Rated permanent current (Iu): 22 A
- Rated operation power at AC-3, 230 V: 4 kW
- Rated operation power at AC-3, 400 V: 7.5 kW
- Type of electrical connection: Frame clamp
- Control element: Turn button
- Device construction: Built-in fixed technique
- Integrated auxiliary switch and under voltage release
- Number of poles: 3
- Rated short-circuit breaking capacity (Icu) at 400 V AC: 50 kA
- Degree of protection: IP20
- Dimensions (H x L x W): 140mm x 145mm x 55mm
- Weight: 1.5 kg
Key Features
- Thermomagnetic switch-off technique for reliable motor protection
- Overload release current setting adjustable from 14 to 22 A
- Undelayed short-circuit release adjustment range of 286 A
- Rated short-circuit breaking capacity (Icu) of 50 kA at 400 V AC
- Integrated auxiliary switch and under voltage release
- Compatible with MPX3 auxiliaries
- Cage terminals capacity from 0.75 mm² to 35 mm²
- Easy operation with rotary handle
- Compact size for optimized cabinet space
- IP20 degree of protection
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 7.5 kW / 415 V in tertiary and industrial installations
- Use in switchboards and power cabinets for motor control and protection
- Suitable for industrial machinery and motor-driven equipment requiring reliable overload and short-circuit protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Designed with environmentally conscious processes and complies with substance-restriction requirements
- Helps prevent motor damage and energy waste by providing precise overload and short-circuit protection
Warranty Information
Standard manufacturer warranty applies; please refer to Legrand warranty policy for details.
Available Now
The Legrand Motor Protection Circuit Breaker MPX3 63H 14-22A 50KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.
