BNT21T и другие
| Компонент | Описание | Производитель | |
| ANT21 | CIT SWITCH |
CIT Relay & Switch |
 |
| BNT21S | CIT SWITCH |
CIT Relay & Switch |
|
| BNT21T | CIT SWITCH |
CIT Relay & Switch |
|
| BNT21U | CIT SWITCH |
CIT Relay & Switch |
|
| BNT21V | CIT SWITCH |
CIT Relay & Switch |
|
| BNT21X | CIT SWITCH |
CIT Relay & Switch |
|
| CSNT211 | Solid State Sensors Closed Loop Current Sensors |
Honeywell Solid State Electronics Center |
|
| E3X-NT21 | Teaching Optical Fiber Photoelectric Sensor |
Omron Electronics LLC |
|
| GNT212G | Universal Input Power Supply |
SL Power Electronics |
|
| GNT215G | Universal Input Power Supply |
SL Power Electronics |
|