Catalogue → Allen-Bradley → POINT I/O 1734 digital
1734-OB4E
Allen-Bradley · PLC I/O module · POINT I/O 1734 digital confirmed
The Allen-Bradley 1734-OB4E is a PLC I/O module in the POINT I/O 1734 digital range. 4-channel protected sourcing output.
What 1734-OB4E sells for
No auction result recorded for this part yet. We publish hammer prices only where we have watched a lot through to close — never an estimate in their place.
See 1734-OB4E listed on eBay → Asking prices, not sold prices. We may earn a commission.
| Manufacturer | Allen-Bradley (also Rockwell Automation, AB) |
|---|---|
| Family | POINT I/O 1734 digital |
| Category | PLC I/O module |
| Without separators | 1734OB4E |
| Notes | 4-channel protected sourcing output; verified: Rockwell 1734-PC001 POINT I/O catalog-number list |
What changes what 1734-OB4E is worth
Same catalogue number, different money. These are the attributes that separate two otherwise identical 1734-OB4E units — check each one before you quote or bid.
Series letter
Series letter on the label. Later series are not always backward compatible and sell for more.
Printed on the label, usually right after the catalogue number, as "SER A".
Tested or untested
Tested / as-is / new-in-box. The single biggest multiplier on used price.
Not on the plate. It comes from whoever pulled the unit, and it moves the price more than anything printed.
Questions
What is a 1734-OB4E?
The Allen-Bradley 1734-OB4E is a PLC I/O module in the POINT I/O 1734 digital range. 4-channel protected sourcing output.
What changes what a 1734-OB4E is worth?
Two 1734-OB4E units with the same catalogue number can be worth different amounts. What separates them: series letter, tested or untested. Series letter on the label. Later series are not always backward compatible and sell for more. Tested / as-is / new-in-box. The single biggest multiplier on used price.
Where do you find the series or revision on a 1734-OB4E?
Series letter: Printed on the label, usually right after the catalogue number, as "SER A". Tested or untested: Not on the plate. It comes from whoever pulled the unit, and it moves the price more than anything printed.
Who makes the 1734-OB4E?
Allen-Bradley makes the 1734-OB4E. The same equipment is sold and labelled as AB, A-B, Allen Bradley, Allen-Bradley, Rockwell, Rockwell Automation.