A comprehensive range for real world applications


L&T'S AU Solutions for final distribution offer a unique blend of safety, convenience and performance. Each product in the AU Solutions range is designed to provide lasting benefits.


Protection Devices :

  • MCBs
    • 0.5A - 125A
    • B, C, D Curves
    • SP, DP, TP, FP, SPN, TPN
  • RCCBs
    • 16A - 100A
    • 10mA - 500mA
    • DP, FP
    • Type AC, Adi
  • RCBOs
    • 6A - 63A
    • 10mA - 300mA
    • DP, FP
    • Type AC, Adi
  • SPDs
    • Type 1+2, Type 2
    • 1P+N, 3P+N

Monitoring Devices :


The AU Solutions range of protection devices are complemented by a host of monitoring devices.

  • Accessories
    • Auxiliary Contact (AUX)
    • AUX/TAC (Trip Alarm Contact)
    • Undervoltage Release (UV)
    • Overvoltage Release (OV)
    • Shunt Release (SR)
    • Padlocks
  • Energy Meters
    • Single-phase
    • Three-phase
  • Indicating Lights
    • For single-phase and three-phase supply

Control Devices :


The AU Solutions range includes a host of Control Devices.

  • Isolators
    • 25A to 125A
    • DP, TP & FP
  • Modular Contactors
    • 25A to 63A
    • SP, DP, TP & FP
  • Changeover Switches
    • 25A to 63A
    • DP & FP
  • Time Switches
    • Digital
    • Analog
    • Astronomical

Communication Solution

AU-COM addresses the remote monitoring and controlling requirement of the building and industrial segments. The communication solution consists of AU-COM & AU-CON (an optional Convertor Module). Highlights

  • In absence of control circuits, one can connect a maximum of 4 Auxiliary Contacts (AU-AUX) and 4 Trip Alarm Contacts (AU-TAC) with AU-COM
  • With 2 control circuits in place, a maximum of 2 Auxiliary Contacts and 2 Trip Alarm Contacts can be deployed for status monitoring
  • In all, 15 AU-COM modules can be connected in the system
  • For remote monitoring and metering of energy, single-phase and three-phase energy meters with:RS 485 Module - Wi-Fi module
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