Allen-Bradley 809-A22E Instantaneous Trip Relay

Description:

The Allen-Bradley 809-A22E Instantaneous Trip Relay is a heavy-duty electronic current relay designed to provide instantaneous overcurrent protection for large industrial motors, feeders, and power circuits. It continuously monitors circuit current and trips immediately when the adjustable current threshold is exceeded, helping protect motors and electrical equipment from severe overload and short-circuit conditions. Commonly installed in motor control centers (MCCs), conveyor systems, crushers, compressors, pumps, mining equipment, and heavy industrial process machinery where high-current motor protection is essential. Maintenance teams and system integrators use this relay for OEM replacement, motor protection upgrades, retrofit projects, and industrial electrical maintenance.

Applications:

The Allen-Bradley 809-A22E is used to provide instantaneous overcurrent protection for high-current AC and DC motor circuits in manufacturing plants, mining operations, material handling systems, water treatment facilities, and heavy industrial automation equipment. Its adjustable trip setting enables precise protection of large motors by disconnecting power immediately during fault conditions, reducing the risk of equipment damage and production downtime.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Part Number: 809-A22E
• Product Type: Instantaneous Trip Current Relay
• Series: Bulletin 809
• Maximum System Voltage: 600 VAC / 600 VDC
• Maximum Continuous Coil Current: 162 A
• AC Tripping Current Adjustment Range: 85–244 A
• DC Tripping Current Adjustment Range: 76–229 A
• Frequency: 25, 50, or 60 Hz (AC)
• Enclosure Type: Open Type
• Contact Configuration: 1 Normally Open (NO), 1 Normally Closed (NC), Automatic Reset
• Contact Rating: NEMA B600
• Mounting Style: Panel Mount
• Protection Function: Instantaneous Overcurrent Trip
• Reset Point: 70–85% of trip setting (AC); 62–82% of trip setting (DC)
• Certifications: UL Listed, CSA Certified (series dependent)
• Features: Adjustable trip current, automatic reset contacts, magnetic current sensing, rapid fault response, and heavy-duty industrial construction for large motor protection.

Common Replacements:

• Allen-Bradley 809-A21E
• Allen-Bradley 809-A23E
• Allen-Bradley 809-B22E