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Allen Bradley 849 Timing Relays 849A-ZAA24

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849A-ZAA24

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The 849A-ZAA24 from Allen Bradley is a pneumatic timing relay that provides precise control in various applications. This model operates with a coil voltage of 220 to 240 VAC and supports a line voltage of up to 600 VAC, making it versatile for different environments.

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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-ZAA24

ManufacturerAllen Bradley
Product TypePneumatic Timing Relay
Product Line849 Timing Relays
Part Number849A-ZAA24
Weight10.00 lbs (4.54 kg)
Timing ModeOn-Delay
Coil Voltage220 to 240 VAC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Line Voltage600 VAC
Timing Range0.05 to 180 sec
Contact Configuration1 Normally Open (NO) and 1 Normally Closed (NC)
Current Rating10.0 A
Enclosure TypeOpen type
Operating Humidity80% (Non-Condensing)
Installation Altitude1000 m
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The Allen Bradley 849A-ZAA24 timing relay utilizes pneumatic technology, which is ideal for managing timing operations in various industrial setups. Specifically designed with an on-delay timing feature, it allows a flexible timing adjustment within the range of 0.05 seconds to 180 seconds. The relay functions effectively with a coil voltage rating between 220 and 240 VAC, while it accommodates a higher line voltage of 600 VAC, ensuring safe and efficient operation.

This timing relay is structured with a dual contact configuration comprising one Normally Open (NO) and one Normally Closed (NC) contact, which offers versatility in control applications. It supports a current rating of 10.0 A, making it suitable for different loads in automated processes. The relay's open-type enclosure enables easy integration into system architectures while maintaining accessibility for maintenance.

The device can operate effectively in high humidity conditions, with resilience against moisture up to 80% without condensation. It is also rated for installation at altitudes of up to 1000 meters, ensuring functionality in various geographical settings. Overall, the 849A-ZAA24 is built for reliability and precision in timing applications, catering to diverse industrial requirements.