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Allen Bradley 845 Encoders 845C-MJZ3DL3LH5

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845C-MJZ3DL3LH5

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The Allen Bradley 845C-MJZ3DL3LH5 is an absolute optical encoder that provides programmable functionality. Rated for a resolution of 10 bits, it generates gray code outputs and operates with a 5 V DC power supply.

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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 845C-MJZ3DL3LH5

ManufacturerAllen Bradley
Product TypeAbsolute Optical Encoder
Product Line845 Encoders
Part Number845C-MJZ3DL3LH5
Weight4.00 lbs (1.81 kg)
Encoder TypeAbsolute optical, programmable
Code TypeGray code
Resolution10-bit
Power Supply5 V DC
Mounting SizeSize 25
EnclosureNEMA Type 4 / 13
IP ProtectionIP66
Shaft Diameter6.4 mm
Moment of Inertia15 g·cm²
Starting / Running Torque2.5 N·cm
Maximum Shaft Speed6,000 rpm
Mounting StyleSquare-flange
Code Word Width15-bit
Operating Temperature-18 °C up to +60 °C
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The 845C-MJZ3DL3LH5 from Allen Bradley is a high-performance absolute optical encoder. This component integrates programmable capabilities within its design, catering to various application requirements. The encoder utilizes a gray code for its coding scheme and offers a resolution of 10 bits, providing precise position feedback. Operating on a power supply of 5 V DC, this encoder is built in a mounting size classified as size 25.

The device is designed for a square-flange mounting style, making it adaptable for different installation scenarios. With a maximum shaft speed of 6,000 rpm, it is capable of handling rapid movements within machinery or equipment. The required torque for starting and running this encoder is measured at 2.5 N·cm, indicating adequate performance under various load conditions.

In terms of physical specifications, the shaft diameter measures 6.4 mm, and the moment of inertia is 15 g·cm², which contributes to the encoder's overall operation stability. This encoder is housed in an enclosure rated as NEMA Type 4 / 13, providing necessary environmental protection, while achieving an IP66 rating, confirming its resistance to dust and water. The encoder functions effectively within an operating temperature span of -18 °C to +60 °C, making it suitable for varied industrial environments.