| 4526 | 621-2175 | Honeywell | Honeywell 621-2175 115V AC Output 0.5 A | instock |
| 4527 | 621-2200 | Honeywell | Honeywell 621-2200 230V AC Output | instock |
| 4528 | 621-2201 | Honeywell | Honeywell 621-2201 230V AC Isolated Output 6 Point | instock |
| 4529 | 621-2500 | Honeywell | Honeywell 621-2500 24V AC Output | instock |
| 4530 | 621-2550 | Honeywell | Honeywell 621-2550 24V Output | instock |
| 4531 | 621-3300 | Honeywell | Honeywell 621-3300 5V DC Input | instock |
| 4532 | 621-3350 | Honeywell | Honeywell 621-3350 24V DC Sink Input | instock |
| 4533 | 621-3450 | Honeywell | Honeywell 621-3450 12V DC Sink Input | instock |
| 4534 | 621-3500 | Honeywell | Honeywell 621-3500 12-24 DC Sink Input | instock |
| 4535 | 621-3502 | Honeywell | Honeywell 621-3502 12-24V DC Fast Response Input | instock |
| 4536 | 621-3550 | Honeywell | Honeywell 621-3550 24 Volt Input Module | instock |
| 4537 | 621-3552 | Honeywell | Honeywell 621-3552 24V DC Sink Input Fast Response | instock |
| 4538 | 621-3560 | Honeywell | Honeywell 621-3560 16 Point 24 V DC Input | instock |
| 4539 | 621-3575 | Honeywell | Honeywell 621-3575 24V DC Input | instock |
| 4540 | 621-3580 | Honeywell | Honeywell 621-3580 621-3580 | Honeywell 32 Channel Digital Input Module 24VDC | instock |
| 4541 | 621-3580R | Honeywell | Honeywell 621-3580R Input module | instock |
| 4542 | 621-3600 | Honeywell | Honeywell 621-3600 48V DC Sink Input | instock |
| 4543 | 621-3650 | Honeywell | Honeywell 621-3650 48V DC Sink Input | instock |
| 4544 | 621-4300 | Honeywell | Honeywell 621-4300 5V DC Input | instock |
| 4545 | 621-4350 | Honeywell | Honeywell 621-4350 5V DC TTL Input | instock |
| 4546 | 621-4500 | Honeywell | Honeywell 621-4500 12-24V DC Source Input | instock |
| 4547 | 621-4502 | Honeywell | Honeywell 621-4502 12-24V DC SIM Fast Response | instock |
| 4548 | 621-4550 | Honeywell | Honeywell 621-4550 24V DC Source Input Module | instock |
| 4549 | 621-6300 | Honeywell | Honeywell 621-6300 5V DC Source Input | instock |
| 4550 | 621-6350 | Honeywell | Honeywell 621-6350 5V DC Source Input | instock |
