Catalogue → Allen-Bradley → Guardmaster non-contact interlock switch (440N)
440N-Z21S26A
Allen-Bradley · Safety device · Guardmaster non-contact interlock switch (440N) confirmed
The Allen-Bradley 440N-Z21S26A is a safety device in the Guardmaster non-contact interlock switch (440N) range. SensaGuard non-contact interlock switch.
What 440N-Z21S26A 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 440N-Z21S26A listed on eBay → Asking prices, not sold prices. We may earn a commission.
| Manufacturer | Allen-Bradley (also Rockwell Automation, AB) |
|---|---|
| Family | Guardmaster non-contact interlock switch (440N) |
| Category | Safety device |
| Without separators | 440NZ21S26A |
| Notes | SensaGuard non-contact interlock switch; verified: Rockwell switch-td001 Safety Switches Specifications |
What changes what 440N-Z21S26A is worth
Same catalogue number, different money. These are the attributes that separate two otherwise identical 440N-Z21S26A 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 440N-Z21S26A?
The Allen-Bradley 440N-Z21S26A is a safety device in the Guardmaster non-contact interlock switch (440N) range. SensaGuard non-contact interlock switch.
What changes what a 440N-Z21S26A is worth?
Two 440N-Z21S26A 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 440N-Z21S26A?
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 440N-Z21S26A?
Allen-Bradley makes the 440N-Z21S26A. The same equipment is sold and labelled as AB, A-B, Allen Bradley, Allen-Bradley, Rockwell, Rockwell Automation.
Others in Guardmaster non-contact interlock switch (440N)
- 440N-A02005
- 440N-A02025
- 440N-A02056
- 440N-A02057
- 440N-A02128
- 440N-A02165
- 440N-A17127
- 440N-A17233
- 440N-A32019
- 440N-A32020
- 440N-A32025
- 440N-A32041
See the whole Guardmaster non-contact interlock switch (440N) family →