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Allen Bradley 1491 Series 1491-R266

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1491-R266

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The 1491-R266 from Allen Bradley is a robust fuse block tailored for three-phase applications. This unit supports current ratings ranging from 31 to 60 A and is built for panel or base mounting.

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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 1491-R266

ManufacturerAllen Bradley
Product TypeFuse Block
Product Line1491 Series
Part Number1491-R266
Fuse ClassClass R
Number of Poles3 Poles
Current Rating31–60 A
Mounting TypePanel/Base Mount
Enclosure TypeOpen Type
Terminal TypeScrew/Lug Terminal
Phase Type3 Phase
Housing MaterialIndustrial Grade Thermoplastic/Phenolic
Minimum Operating Temperature-20 °C
Maximum Operating Temperature40 °C
Minimum Storage Temperature-40 °C
Maximum Storage Temperature85 °C
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The part number 1491-R266 is a fuse block created by Allen Bradley, falling under the 1491 Series. This component is intended for use with Class R fuses and supports a current rating between 31 and 60 amperes, making it suitable for a range of electrical applications requiring efficient circuit protection.

This device has three poles and is designed for straightforward panel or base mounting. The open type enclosure allows for quick access to terminals, which are of the screw/lug type, facilitating reliable connections. Constructed from industrial-grade thermoplastic/phenolic housing material, the 1491-R266 demonstrates robustness and resilience in a variety of operational settings.

In terms of temperature specifications, the fuse block can function between -20 °C and 40 °C during normal operations. It can withstand storage temperatures ranging from -40 °C to 85 °C, providing flexibility in harsher conditions. Overall, the Allen Bradley 1491-R266 fuse block is engineered for durability and reliability in three-phase settings.