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Motor Protection Circuit Breaker MPX3 100H | 14-22A Adjustable | 100kA Short-Circuit Capacity | IP20 Rated | @Each of 1 | by Legrand
The Motor Protection Circuit Breaker MPX3 100H is designed for reliable protection of 3-phase motors up to 7.5 kW. With an adjustable overload release current setting from 14 to 22 A and a robust 100 kA short-circuit breaking capacity, it ensures optimal performance in industrial and tertiary electrical installations. Built with a thermomagnetic switch off technique and IP20 protection, this breaker is perfect for control and signaling in switchboards and power cabinets.
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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 built-in technique
- Integrated auxiliary switch and under voltage release
- Number of poles: 3
- Rated short-circuit breaking capacity (Icu) at 400 V AC: 100 kA
- Degree of protection: IP20
- 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 setting adjustable from 14 to 22 A
- Undelayed short-circuit release adjustable at 286 A
- Rated short-circuit breaking capacity of 100 kA at 400 V
- Integrated auxiliary switch and under voltage release
- Compatible with MPX3 auxiliaries
- Cage terminals capacity from 2 mm² to 70 mm²
- Installation on 35 mm 'top hat' mounting rail or mounting plate
- IP20 degree of protection
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 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 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Designed with substance-restriction compliance and environmentally conscious manufacturing processes
- Helps prevent motor damage and energy waste by providing reliable motor protection
Warranty Information
Standard Legrand warranty applies; typically 1-2 years against manufacturing defects.
Available Now
The Legrand Motor Protection Circuit Breaker MPX3 100H 14-22A 100KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.
