OMRON J7MN-3R-22 Motor Protective Circuit Breaker

The OMRON J7MN-3R-22 is a high-performance, 3-pole motor protective circuit breaker designed to safeguard motors against thermal overload and short circuits. This rotary-type breaker offers a rated current of 22 A and is suitable for motors with a power rating of up to 7.5 kW at 400 V. It features a setting range for thermal overload release current from 14 to 22 A and instantaneous short-circuit release current of 286 A.

Key Features:

• Rated Power: Suitable for motors up to 7.5 kW at 400 V.
• Rated Current: 22 A with a thermal overload setting range of 14-22 A.
• Short-Circuit Protection: Offers a high short-circuit breaking capacity of 50 kA at 3-400 V.
• Control Type: Rotary type for easy operation.
• Terminal Type: Screw terminals for secure connections.
• Dimensions: Compact design with a width of 45 mm, height of 98 mm, and depth of 100 mm.

Benefits:

• Enhanced Safety: Provides comprehensive protection against both thermal overloads and short circuits, ensuring motor longevity and preventing damage.
• Reliability: Designed to withstand high short-circuit currents, ensuring reliable operation in demanding environments.
• Ease of Use: The rotary control offers intuitive operation, making it simple to set and manage.

Technical Specifications:

• Rated Power (AC2, AC3 at 400 V): 7.5 kW
• Suitable for Motors: 3-400 V, up to 7.5 kW
• Rated Current: 22 A
• Thermal Overload Setting Range: 14-22 A
• Instantaneous Short-Circuit Release Current: 286 A
• Short-Circuit Breaking Capacity: 50 kA at 3-400 V
• Terminal Type: Screw
• Dimensions (W x H x D): 45 mm x 98 mm x 100 mm
• Control Type: Rotary

Safety and Compatibility:

The J7MN-3R-22 is designed to meet international safety standards, ensuring compatibility with a wide range of motor systems. It supports operation in ambient temperatures from -20°C to