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Motor Protection Circuit Breaker MPX3 100H | 18-26A Adjustable | 100kA Short-Circuit Capacity | by Legrand
The Motor Protection Circuit Breaker MPX3 100H is designed for reliable protection of 3-phase motors, featuring an adjustable overload release current from 18 to 26A and a robust short-circuit breaking capacity of 100kA at 400V AC. Ideal for industrial and tertiary applications, this breaker ensures optimal performance and safety in electrical installations, with easy operation via a rotary handle.
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Product Name/Title: Motor Protection Circuit Breaker MPX3 100H | 18-26A Adjustable | 100kA Short-Circuit Capacity | by Legrand
Brand: Legrand
SKU: 417372
Alternatively Known As: Motor Protection Breaker, Motor Circuit Breaker, MP Circuit Breaker, MPX3 Motor Breaker
Technical Specifications
- Rated operating voltage: 220-690 V
- Rated permanent current: 26 A
- Overload release current setting: 18-26 A
- Adjustment range undelayed short-circuit release: 338 A
- Rated short-circuit breaking capacity (Icu) at 400 V AC: 100 kA
- 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
- Type of control element: Turn button
- Device construction: Built-in fixed built-in technique
- With 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 adjustable from 18 to 26 A
- Short-circuit release adjustable range 338 A
- Rated short-circuit breaking capacity of 100 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 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)
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Designed with substance-restriction compliance and environmentally conscious manufacturing processes
Warranty Information
Standard manufacturer warranty applies. Please refer to Legrand for detailed warranty terms.
Available Now
The Legrand Motor Protection Circuit Breaker MPX3 100H 18-26A 100KA is available for immediate purchase. Ideal for industrial and tertiary motor protection applications.
