| Item condition | New |
| Manufacture name | BE/S4.20.2.1 Binary Input, 4-fold, Contact Scanning, MDRC |
| Brand | ABB |
| Categories |
Bus System Devices (KNX/Modbus)
|
| Harmonized System Code | 8538 9091 00 |
| Bus system KNX | Yes |
| Bus system radio frequent | No |
| Bus system Powernet | No |
| With bus connection | Yes |
| Other bus systems | None |
| Bus system LON | No |
| Bus system KNX radio | No |
| Radio frequent bidirectional | No |
| Packing level 1 | 4016779710787 |
| Mounting method | DRA (DIN-rail adapter) |
| Degree of protection (IP) | IP20 |
| With LED indication | Yes |