Allen-Bradley 1403-LM05A — Microprocessor-based Digital Instrument

Part number	1403-LM05A
Brand	Allen-Bradley
Description	Microprocessor-based Digital Instrument
Manufacturer	Allen Bradley
Product Type	Microprocessor-based digital instrument
Product Line	1403 Powermonitor II
Part Number	1403-LM05A
Weight	6.00 lbs (2.72 kg)
Device Type	Power monitoring master module
Accuracy	±0.1%
Current Input	5 A full scale (via CTs)
Voltage Input (L-N)	120–347 VAC
Voltage Input (L-L)	208–600 VAC
Supply Voltage	120/240 VAC (50/60 Hz) or 125/250 VDC
Measurement Type	Voltage, current, power parameters
Communication	Supports network communication modules (DF1 / Ethernet optional)
Display Support	Supports external display modules
Mounting	Panel / rack-mounted module
Application	Energy and power monitoring systems
Function	Limited metering and system monitoring

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.

Also written as

1403-LM05A/A1403-LM05AX

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.