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Allen Bradley 849 Timing Relays 849A-ZOB25

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849A-ZOB25

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The 849A-ZOB25 is a pneumatic timing relay designed for reliable control in various applications. Operating within a time range of 0.05 to 180 seconds, it offers ON delay timing actions and functions at a coil voltage of 110 to 120 VAC.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 849A-ZOB25

ManufacturerAllen Bradley
Product TypePneumatic Timing Relay
Product Line849 Timing Relays
Part Number849A-ZOB25
Weight10.00 lbs (4.54 kg)
Time Range0.05 to 180 seconds
Timing ActionON Delay
Coil Voltage110 to 120 VAC
Min. Frequency50 Hz
Max. Frequency60 Hz
Contact RatingNEMA A600
Standard Contacts1 Normally Open (N.O.) and 1 Normally Closed (N.C.)
DC Rating (115–125V)0.4 A
DC Rating (230–250V)0.2 A
Enclosure TypeOpen Type
IP RatingIP20
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The Allen Bradley 849A-ZOB25 pneumatic timing relay provides precise timing control for various industrial applications. Capable of functioning over a time range from 0.05 to 180 seconds, it is typically used for ON delay timing actions. This unit operates on a coil voltage of 110 to 120 VAC and functions effectively across a frequency range of 50 to 60 Hz, making it adaptable to different power systems.

In terms of contact configuration, the relay includes standard contacts, featuring one Normally Open (N.O.) and one Normally Closed (N.C.) contact. With a contact rating specified under NEMA A600 standards, it ensures reliable operation in various environments. Additionally, the DC ratings for this relay include 0.4 A at voltages ranging from 115 to 125V and 0.2 A for 230 to 250V applications, contributing to its overall performance efficiency.

The 849A-ZOB25 relay comes in an open enclosure type, designated with an IP20 rating, which indicates protection against solid objects greater than 12mm but no moisture resistance. Its straightforward design allows for easy integration in panel setups. Overall, the pneumatic timing relay model 849A-ZOB25 stands out in its ability to provide dependable timing solutions for various control tasks.