3RA2120-1KD24-0AP0

Overview: Siemens 3RA2120-1KD24-0AP0 Fuseless Load Feeder for Direct-On-Line Starting

The Siemens 3RA2120-1KD24-0AP0 is a fuseless load feeder designed for direct-on-line (DOL) motor starting at 400 V AC. It is sized S0 with a current rating range of 9.00 to 12.5 A and operates at 230 V AC screw terminal for 60 mm busbar systems. This load feeder complies with type 1 and type 2 coordination and features high short-circuit breaking capacity of 150 kA, providing enhanced operational reliability and reduced planning and wiring effort.

Key Features

• Current Rating: 9.00 to 12.5 A for direct on-line motor starting.
• Voltage: 230 V AC with screw terminal connection suitable for 60 mm busbar systems.
• Size: S0 load feeder with fuseless design for simplified planning.
• High Breaking Capacity: 150 kA short-circuit breaking capacity ensuring safety and reliability.
• Type of Coordination: Supports type 1 and type 2 coordination for circuit protection.
• Connection Type: Screw terminals and plug-in connectors for easy and error-free wiring.
• Energy Efficiency: 5-10% lower power loss compared to comparable devices.
• Integration: Compatible with Siemens SIRIUS control systems with uniform accessories.

Technical Specs

Applications / Use Case

This fuseless load feeder is ideal for direct-on-line starting applications in industrial motor control, providing high safety, easy wiring, and reliable operation within Siemens automation systems.