Siemens 3RA2220-4BF26-0BB4 Fuseless Load Feeder, Spring Terminals
Siemens 3RA2220-4BF26-0BB4 is a S0 Size, fuseless load feeder for reversing duty.
The Siemens 3RA2220-4BF26-0BB4 is a fuseless load feeder designed for reversing duty at 400V AC. This size S0 unit features an adjustable current range of 13.0 to 20.0 A and operates with a 24V DC coil. It is equipped with spring-type terminals for quick installation on standard mounting rails, which also include a standard mounting rail adapter. This feeder complies with Type of Coordination 1, offering a substantial short-circuit current withstand rating of Iq = 150 kA. The integrated contactor includes one normally open (NO) and one normally closed (NC) auxiliary contact.
This load feeder is ideal for motor protection and control in reversing applications across diverse industrial sectors, such as manufacturing, process control, and automated systems. The spring-type terminals streamline wiring and reduce installation time.
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| Part Number | 3RA2220-4BF26-0BB4 |
| Manufacturer | Siemens |
| Type | Fuseless Load Feeder |
| Duty | Reversing |
| Voltage | 400V AC |
| Size | S0 |
| Current Range | 13.0-20.0 A |
| Coil Voltage | 24V DC |
| Terminal Type | Spring-type |
| Coordination | Type 1 |
| Iq | 150 kA |
| Auxiliary Contacts | 1 NO + 1 NC |
| Mounting | Standard rail adapter |