The OMRON J7MN-3R-8 Motor Protection Circuit Breaker

The OMRON J7MN-3R-8 is a high-quality Motor Protection Circuit Breaker designed to safeguard your industrial equipment from overloads and short circuits. This versatile circuit breaker offers a range of features that make it ideal for various applications.

Key Features and Benefits:

• Operational Flexibility: The J7MN-3R-8 is part of the J7MN series, which offers a rated operational current of up to 32 A, making it suitable for smaller to medium-sized motor applications.
• Reliable Protection: It features an instantaneous short-circuit release set to 13 times the rated current, ensuring motors start smoothly even under high inrush conditions. The overload release is adjustable between 0.65 and 1 times the rated current, allowing for customization based on specific motor requirements.
• High Performance: With a switching capacity up to 100 kA at 240 V and 50 kA at 480 V, this circuit breaker provides reliable protection against high fault currents.
• Safety and Compliance: It meets all necessary standards, including IEC/EN 60947-1, 60947-2, and 60947-4-1, ensuring compliance with international safety regulations.
• Convenience and Customization: Options include ON/OFF indication and trip alarm/indication, providing real-time status updates. Additionally, it supports undervoltage release and shunt release for enhanced control.
• Durability: Constructed with durable materials, it offers high mechanical endurance with up to 100,000 operating cycles.

Technical Specifications:

• Rated Operational Current: Up to 32 A
• Short-Circuit Breaking Capacity: Up to 100 kA at 240 V
• Operating Temperature Range: -20°C to +60°C
• Insulation Voltage: 690 V (suitable for earthed-neutral systems)

Unique Selling Points:

• Motor Protection Class 10: Ensures rapid disconnection in case of faults, providing optimal motor protection.
• Compatibility: Suitable for three-phase systems, with options for door-coupling rotary mechanisms and molded plastic enclosures for enhanced protection and integration.

Safety and Compatibility Information:

• Certifications: Compliant with IEC and VDE standards.
• Environmental Suitability: Designed for use in a wide range of ambient conditions, ensuring reliability in various industrial environments.

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