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Catalogue → Allen-Bradley → MicroLogix controller (1761 / 1762 / 1763 / 1766)

1761-L20BWA

Allen-Bradley · PLC processor · MicroLogix controller (1761 / 1762 / 1763 / 1766) confirmed

The Allen-Bradley 1761-L20BWA is a PLC processor in the MicroLogix controller (1761 / 1762 / 1763 / 1766) range. MicroLogix 1000, 20 point, relay out, AC power; The bulletin number is the family: 1761 is MicroLogix 1000, 1762 is 1200, 1763 is 1100, 1766 is 1400. Only variants confirmed on Rockwell pages are listed; the suffix space is wider than this.

What 1761-L20BWA 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 1761-L20BWA listed on eBay → Asking prices, not sold prices. We may earn a commission.

Manufacturer Allen-Bradley (also Rockwell Automation, AB)
Family MicroLogix controller (1761 / 1762 / 1763 / 1766)
Category PLC processor
Without separators 1761L20BWA
Notes MicroLogix 1000, 20 point, relay out, AC power; The bulletin number is the family: 1761 is MicroLogix 1000, 1762 is 1200, 1763 is 1100, 1766 is 1400. Only variants confirmed on Rockwell pages are listed; the suffix space is wider than this.; verified: rockwellautomation.com product / compatibility pages

What changes what 1761-L20BWA is worth

Same catalogue number, different money. These are the attributes that separate two otherwise identical 1761-L20BWA 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".

Firmware revision

Firmware/FRN revision. Buyers match it to an existing project; a mismatch can make the unit useless to them.

On the label as "FRN" or "FW", and on the module's own display if it powers up.

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 1761-L20BWA?

The Allen-Bradley 1761-L20BWA is a PLC processor in the MicroLogix controller (1761 / 1762 / 1763 / 1766) range. MicroLogix 1000, 20 point, relay out, AC power; The bulletin number is the family: 1761 is MicroLogix 1000, 1762 is 1200, 1763 is 1100, 1766 is 1400. Only variants confirmed on Rockwell pages are listed; the suffix space is wider than this.

What changes what a 1761-L20BWA is worth?

Two 1761-L20BWA units with the same catalogue number can be worth different amounts. What separates them: series letter, firmware revision, tested or untested. Series letter on the label. Later series are not always backward compatible and sell for more. Firmware/FRN revision. Buyers match it to an existing project; a mismatch can make the unit useless to them. Tested / as-is / new-in-box. The single biggest multiplier on used price.

Where do you find the series or revision on a 1761-L20BWA?

Series letter: Printed on the label, usually right after the catalogue number, as "SER A". Firmware revision: On the label as "FRN" or "FW", and on the module's own display if it powers up. 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 1761-L20BWA?

Allen-Bradley makes the 1761-L20BWA. The same equipment is sold and labelled as AB, A-B, Allen Bradley, Allen-Bradley, Rockwell, Rockwell Automation.

Others in MicroLogix controller (1761 / 1762 / 1763 / 1766)

See the whole MicroLogix controller (1761 / 1762 / 1763 / 1766) family →