The FD472B4A is a DPDT-DM-DB railway relay with a maximum current rating of 3A and a maximum switching voltage of 72V. It features a 24V DC coil voltage and a coil current of 53.33mA. The relay has a termination style of solder pin and a mounting style of flange mount. It operates within a temperature range of -40°C to 85°C.
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| Type | Railway Relay |
| Contact Arrangement | DPDT-DM-DB |
| Max Current Rating | 3A |
| Termination Style | Solder Pin |
| Number of Terminals | 12 |
| DC Coil Voltage | 24V |
| Maximum Pick-Up Voltage | 18.5VDC |
| Coil Current | 53.33mA |
| Coil Resistance | 450Ohm |
| Maximum DC Switching Voltage | 72V |
| Mounting | Flange Mount |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |