Siemens 3RA1120-1CD24-0BB4 Fuseless Direct-On-Line Load Feeder
Siemens 3RA1120-1CD24-0BB4 fuseless direct-on-line load feeder, Size S0, 1.8-2.5A.
The Siemens 3RA1120-1CD24-0BB4 is a fuseless direct-on-line load feeder for motor starting, sized S0, with an adjustable current range of 1.8-2.5 A. It operates with a 24 V DC control voltage and features screw terminals on a 60 mm busbar adapter. This unit is designed for Type of Coordination 2, with a short-circuit current rating (Iq) of 50 kA, and also fulfills Type of Coordination 1.
This load feeder is used for safe and reliable starting of electric motors in industrial applications. Its fuseless design and coordination types simplify installation and protection schemes. It's important to note that this is a phased-out product; the successor is SIRIUS 3RA2, with the preferred successor type being 3RA2110-1CD15-1BB4.
Stanlo Automation, your veteran-owned surplus parts distributor, carries the Siemens 3RA1120-1CD24-0BB4. Secure this component while available, or explore its successor for your motor control needs.
| Type | Load Feeder, Direct-on-Line |
| Size | S0 |
| Current Range | 1.8-2.5 A |
| Control Voltage | 24 V DC |
| Coordination | Type 2 (Iq = 50 kA), Type 1 |
| Terminals | Screw terminal |
| Busbar adapter | 60 mm |