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Motor Protection Circuit Breaker MPX3 100H | 28-40A 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 18.5 kW. With an adjustable overload release current setting from 28-40A and a robust 100kA short-circuit breaking capacity, it ensures safety in industrial and tertiary electrical installations. Featuring 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
- Rated operating voltage: 220-690 V
- Rated permanent current Iu: 40 A
- Rated operation power at AC-3, 230 V: 7.5 kW
- Rated operation power at AC-3, 400 V: 18.5 kW
- Overload release current setting: 28-40 A
- Adjustment range undelayed short-circuit release: 520-520 A
- Switch off technique: Thermomagnetic
- Type of electrical connection: Frame clamp
- Number of poles: 3
- Degree of protection: IP20
- Rated short-circuit breaking capacity Icu at 400 V, AC: 100 kA
- With thermal overload protection: Yes
- With integrated auxiliary switch: Yes
- With integrated under voltage release: Yes
- Type of control element: Turn button
- Device construction: Built-in fixed built-in technique
- Dimensions (H x L x W): 165mm x 171mm x 70mm
- 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
- Rated short-circuit breaking capacity Icu 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
- Easy operation with rotary handle
- Reduced size for optimized cabinet space
- 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 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)
Environmental Benefits
- Designed with an environmentally conscious process
- Complies with substance-restriction requirements
Warranty Information
Standard Legrand warranty applies; please refer to official documentation for details.
Available Now
The Legrand Motor Protection Circuit Breaker MPX3 100H 28-40A 100KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.
