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Allen Bradley 1403 Powermonitor II 1403-LM05A

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1403-LM05A

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The 1403-LM05A from Allen Bradley is a microprocessor-driven digital instrument primarily designed as a power monitoring master module. This device is capable of operating with an accuracy of ±0.1% across various voltage inputs, providing comprehensive measurements for energy systems.

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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 1403-LM05A

ManufacturerAllen Bradley
Product TypeMicroprocessor-based digital instrument
Product Line1403 Powermonitor II
Part Number1403-LM05A
Weight6.00 lbs (2.72 kg)
Device TypePower monitoring master module
Accuracy±0.1%
Current Input5 A full scale (via CTs)
Voltage Input (L-N)120–347 VAC
Voltage Input (L-L)208–600 VAC
Supply Voltage120/240 VAC (50/60 Hz) or 125/250 VDC
Measurement TypeVoltage, current, power parameters
CommunicationSupports network communication modules (DF1 / Ethernet optional)
Display SupportSupports external display modules
MountingPanel / rack-mounted module
ApplicationEnergy and power monitoring systems
FunctionLimited metering and system monitoring
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The Allen Bradley 1403-LM05A serves as a power monitoring master module utilizing advanced microprocessor technology for efficient energy measurement. Designed for precision, it boasts an accuracy level of ±0.1%, making it suitable for critical monitoring tasks. It accommodates a full-scale current input of 5 A, which is achieved via current transformers.

This module can read line-to-neutral voltages ranging from 120 to 347 VAC and line-to-line voltages from 208 to 600 VAC. Its versatility extends to electrical supply capabilities, accepting either 120/240 VAC at 50/60 Hz or 125/250 VDC, thus allowing installation flexibility. The device is engineered to monitor voltage, current, and power parameters effectively.

For communication, the 1403-LM05A supports optional network communication modules, including DF1 and Ethernet options, enhancing its connectivity. Additionally, it is compatible with external display modules for improved visibility of monitored parameters.

Designed for panel or rack mounting, this digital instrument is intended for application in energy and power monitoring systems. Its functionality focuses on limited metering and system oversight, making it an integral component in managing and analyzing electrical systems effectively.

Revision Part #Also known as
1403-LM05A Ser A1403-LM05A/A, Series A, Rev A
1403-LM05AX1403-LM05A/X, Series X, Rev X
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