Product image for Square D 8501XTD2 1NO 1NC 5 to 180 Second Off Delay Relay Pneumatic Timer Attachment
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Square D 8501XTD2 1NO 1NC 5 to 180 Second Off Delay Relay Pneumatic Timer Attachment

Manufacturer: Square-D / Schneider | Catalog # 8501XTD2 | Springfield Electric Part # 187438

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8501X NEMA machine tool relays combine a rugged heavy duty design with modular construction for greater flexibility. They are ideal for applications where long life, high reliability and ease of maintenance are important. The 8501X relay family offers a complete line of relays and accessories for most control applications. This pneumatic timer attachment can be added to a standard 4 pole relay. This timer attachment comes as standard in the off delay mode but can be converted to on delay. The timer attachment comes with one normally closed and one normally open timed contact. The contacts are the standard 8501XC1 relay cartridges. The timing range of this timer attachment is from 5 to 180 seconds. This timer has screw clamp terminals. This timer attachment is UL listed and CSA certified.

Technical Information

Contact Configuration
1 NO/1 NC
Contact Rating
A600 - P600
TC Connection
Screw clamp terminals
Timing relay;Control relay

Manufacturer Information

Square D

General Product Info

12-Digit UPC
Product UPC


Warranty Length
18 mth

Certifications and Compliance

CA Prop65 Warning
WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
CE,CSA LR60905 Class 3211 02,UL Recognized E78403 CCN NKCR2
Country of Origin