[Y2] Automatic Transfer Switch
![[Y2] Automatic Transfer Switch](../../../uploads/MACDT21Y2-3FD.jpg)
| Front connection | ||||
|---|---|---|---|---|
| Drawing | Part number | Poles | Rated current | Operating voltage |
| Drawing | 21Y2-3FD-A1 | 3P | 100A | AC100/110V |
| Drawing | 21Y2-3FD-D1 | 3P | 100A | DC100/110V |
| Drawing | 21Y2-3FD-A2 | 3P | 100A | AC200/220V |
| Drawing | 22Y2-3FD-A1 | 3P | 200A | AC100/110V |
| Drawing | 22Y2-3FD-D1 | 3P | 200A | DC100/110V |
| Drawing | 22Y2-3FD-A2 | 3P | 200A | AC200/220V |
| Drawing | 23Y2-3FD-A1 | 3P | 300A | AC100/110V |
| Drawing | 23Y2-3FD-D1 | 3P | 300A | DC100/110V |
| Drawing | 23Y2-3FD-A2 | 3P | 300A | AC200/220V |
| Drawing | 24Y2-3FD-A1 | 3P | 400A | AC100/110V |
| Drawing | 24Y2-3FD-D1 | 3P | 400A | DC100/110V |
| Drawing | 24Y2-3FD-A2 | 3P | 400A | AC200/220V |
| Rear connection | ||||
|---|---|---|---|---|
| Drawing | Part number | Poles | Rated current | Operating voltage |
| Drawing | 21Y2-3BD-A1 | 3P | 100A | AC100/110V |
| Drawing | 21Y2-3BD-D1 | 3P | 100A | DC100/110V |
| Drawing | 21Y2-3BD-A2 | 3P | 100A | AC200/220V |
| Drawing | 22Y2-3BD-A1 | 3P | 200A | AC100/110V |
| Drawing | 22Y2-3BD-D1 | 3P | 200A | DC100/110V |
| Drawing | 22Y2-3BD-A2 | 3P | 200A | AC200/220V |
| Drawing | 23Y2-3BD-A1 | 3P | 300A | AC100/110V |
| Drawing | 23Y2-3BD-D1 | 3P | 300A | DC100/110V |
| Drawing | 23Y2-3BD-A2 | 3P | 300A | AC200/220V |
| Drawing | 24Y2-3BD-A1 | 3P | 400A | AC100/110V |
| Drawing | 24Y2-3BD-D1 | 3P | 400A | DC100/110V |
| Drawing | 24Y2-3BD-A2 | 3P | 400A | AC200/220V |
Case Studies
These are materials that summarize application examples of products manufactured by NITTO KOGYO in an easy-to-understand format.
