320-B4U50 - C3 Controls 32-50A Bimetallic Overload Relay for 300-S50/S65/S80 Contactors, Trip Class 10, 100kA Interrupt Rating

320-B4U50

320-B4U50 is a bimetallic overload relay designed for reliable motor protection in industrial applications. This relay provides precise overload and phase-loss protection for motors and is compatible with C3 Controls 300-S50, -S65, and -S80 contactors. The 320-B4U50 features a current adjustment range of 32-50A, making it suitable for a wide range of motor sizes. It offers Trip Class 10 protection, ambient temperature compensation, and a high fault short circuit current rating of 100kA at 480V and 600V when used with Class J fuses. The relay includes a trip test function for easy installation and troubleshooting, as well as high visibility labels and dual IEC/NEMA terminal markings for global wiring compatibility.

• Adjustable current range: 32-50A
• Compatible with 300-S50, -S65, and -S80 contactors
• Direct mounting design
• Trip Class 10 overload protection
• Phase-loss protection for three-phase motors
• 100kA short circuit current rating at 480V and 600V with Class J fuses
• UL Listed and CE marked
• IP20 guarded terminals
• Dual IEC and NEMA terminal markings
• Integral stop button
• Trip test function included
• Ambient temperature compensation

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Specifications

• Part Number: 320-B4U50
• Manufacturer : C3 Controls
• Brand : C3 Controls
• Category : Motor Control
• Item Subcategory : Overload Relay
• Relay Style : Solid State
• Amperage Maximum : 32
• Amperage Minimum : 50

Product Data

• Weight : 0.05