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WEG Motor Protection Circuit Breaker, 40A, Thermal Magnetic, 690V, 3 Poles, IP20 MPW40i

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WEG Motor Protection Circuit Breaker, 40A, Thermal Magnetic, 690V, 3 Poles, IP20 MPW40i

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Category Motor Circuit Breaker Brand WEG Condition New

Specifications

Country of Origin	Brazil
Brand	WEG
Model	MPW40i
IP Rating	IP20
Overall Length	97mm
Current Rating	40A
Series	MPW40i
Overall Width	45mm
Maximum Operating Temperature	70°C
Minimum Operating Temperature	-20°C
Sensing type	Thermal Magnetic
Supply Voltage	690V
Number of Poles	3
Overall Depth	98mm
Motor Protection Component	Circuit Breaker
Motor Protection System	Motor Protection Circuit Breaker

Key Features

Thermal magnetic circuit breaker ensures reliable motor protection.
Rated current of 40A suited for demanding industrial applications.
Supports supply voltage up to 690V for versatile motor systems.
Operates within a wide temperature range from -20°C to 70°C.
Features 3 poles and IP20 protection for enhanced safety.
Compact design with screw terminal connectivity.
Approved to UL, IEC/EN, DIN VDE, CE and ANCE standards.
Suitable for use as main switch and temperature compensation.

Product Description

WEG MPW40i-3-U040 Motor Protection Circuit Breaker is engineered to safeguard motors in a range of industrial and commercial environments. This device is rated at 40A and designed for use with supply voltages up to 690V, making it suitable for high-demand applications such as manufacturing, automation, HVAC, water treatment facilities, and construction machinery.

The MPW40i motor protection circuit breaker incorporates a robust thermal magnetic mechanism to reliably detect and interrupt overloads and short circuits. Its modular and compact form ensures ease of installation while maintaining durability, with screw terminal connections facilitating secure and quick wiring.

This unit offers operational flexibility, functioning as both a main switch and a motor protection component, with temperature compensation for stable performance across variable conditions. The device operates efficiently in environments with temperatures ranging from -20°C to 70°C, and its IP20 rating offers protection from accidental contact and ingress of small particles.

Compliance with major international standards - including UL 508, IEC/EN 60947-1, DIN VDE 0660, CE, and ANCE - ensures a high degree of reliability and safety, making the MPW40i suitable for global industrial installations. The breaker features three poles, enabling protection for three-phase motors commonly used in industrial settings.

Thermal magnetic sensing protects motors against overloads and short circuits with precision and reliability. Rated to 40A, suitable for heavy-duty applications where motor protection is critical. Voltage capacity up to 690V supports a wide variety of equipment and systems.

Temperature range of -20°C to 70°C allows installation in harsh and variable climates. Three-pole configuration is ideal for three-phase industrial motors. IP20 ensures operator safety and prevents intrusion of objects larger than 12.5 mm.

Screw terminals offer easy mounting and secure electrical connections. Strong compliance with UL, IEC, DIN, CE, and ANCE standards for worldwide acceptance.

The WEG MPW40i-3-U040 combines reliability, compactness, and versatility, meeting the needs of modern industry. It is widely adopted in factories, automation panels, commercial buildings, water pumps, and more, ensuring motor safety across diverse sectors.

Explore more in the EnvMart Motor Circuit Breaker category and discover the range of WEG motor protection devices for your industrial requirements.

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Frequently Asked Questions

The WEG MPW40i motor protection circuit breaker has a current rating of 40A, making it suitable for demanding industrial applications.

This model supports a maximum supply voltage of 690V, allowing it to be used with a wide variety of motor systems.

The WEG MPW40i has an IP20 rating, which provides protection against accidental contact and the ingress of small particles larger than 12.5 mm.

It operates efficiently within a temperature range from -20°C to 70°C, suitable for various environmental conditions.

This unit features three poles, making it ideal for three-phase motors commonly used in industrial settings.

The WEG MPW40i utilizes a thermal magnetic sensing mechanism to detect and interrupt overloads and short circuits.

The overall dimensions of this circuit breaker are 97mm in length, 45mm in width, and 98mm in depth.

Yes, the MPW40i can function as both a main switch and a motor protection component, offering operational flexibility.

This circuit breaker is approved to several international standards, including UL 508, IEC/EN 60947-1, DIN VDE 0660, CE, and ANCE.

It features screw terminal connectivity, which facilitates secure and quick wiring during installation.

This model is suitable for use in various applications, including manufacturing, automation, HVAC, water treatment facilities, and construction machinery.

The WEG MPW40i is manufactured in Brazil, ensuring compliance with international standards.