| 526 | 621-2150RC | Honeywell | Honeywell 621-2150RC | instock |
| 527 | 621-2175 | Honeywell | Honeywell 621-2175 115V AC Output 0.5 A | instock |
| 528 | 621-2175RC | Honeywell | Honeywell 621-2175RC | instock |
| 529 | 621-2200 | Honeywell | Honeywell 621-2200 230V AC Output | instock |
| 530 | 621-2200R | Honeywell | Honeywell 621-2200R | instock |
| 531 | 621-2200RC | Honeywell | Honeywell 621-2200RC | instock |
| 532 | 621-2201 | Honeywell | Honeywell 621-2201 230V AC Isolated Output 6 Point | instock |
| 533 | 621-2201R | Honeywell | Honeywell 621-2201R | instock |
| 534 | 621-2500 | Honeywell | Honeywell 621-2500 24V AC Output | instock |
| 535 | 621-2550 | Honeywell | Honeywell 621-2550 24V Output | instock |
| 536 | 621-3300 | Honeywell | Honeywell 621-3300 5V DC Input | instock |
| 537 | 621-3350 | Honeywell | Honeywell 621-3350 24V DC Sink Input | instock |
| 538 | 621-3450 | Honeywell | Honeywell 621-3450 12V DC Sink Input | instock |
| 539 | 621-3500 | Honeywell | Honeywell 621-3500 12-24 DC Sink Input | instock |
| 540 | 621-3502 | Honeywell | Honeywell 621-3502 12-24V DC Fast Response Input | instock |
| 541 | 621-3550 | Honeywell | Honeywell 621-3550 24 Volt Input Module | instock |
| 542 | 621-3552 | Honeywell | Honeywell 621-3552 24V DC Sink Input Fast Response | instock |
| 543 | 621-3552RC | Honeywell | Honeywell 621-3552RC | instock |
| 544 | 621-3560 | Honeywell | Honeywell 621-3560 16 Point 24 V DC Input | instock |
| 545 | 621-3560R | Honeywell | Honeywell 621-3560R | instock |
| 546 | 621-3560RC | Honeywell | Honeywell 621-3560RC | instock |
| 547 | 621-3575 | Honeywell | Honeywell 621-3575 24V DC Input | instock |
| 548 | 621-3580 | Honeywell | Honeywell 621-3580 621-3580 | Honeywell 32 Channel Digital Input Module 24VDC | instock |
| 549 | 621-3580R | Honeywell | Honeywell 621-3580R Input module | instock |
| 550 | 621-3600 | Honeywell | Honeywell 621-3600 48V DC Sink Input | instock |
