DIN Rail 16 Zone Input Expander


The Protege DIN Rail 16 Zone Input Expander provides the interface of up to 16 inputs to the Protege integrated access control, security and building automation system, an advanced technology security product providing seamless and powerful integration. The Protege DIN Rail 16 Zone Input Expander provides extensive hardware advancements that allow flexible input programming and configuration.

Key Features:

Power Supply

The Protege DIN Rail 16 Zone Input Expander operates from a 12VDC input. Ultra low current requirements ensuring cost effective power distribution.

Connectivity and System Expansion

Expanding the Protege System with local inputs from the Protege DIN Rail 16 Zone Input Expander allows convenient cost effective expansion:

  • 16 inputs can be assigned to any 4 areas in the system each being processed using different options or features.
  • Address configuration of the Protege DIN Rail 16 Zone Input Expander interface is achieved using the address programming feature of the Protege System Controller.


Single RS-485 communication interface port used for all network communication functions and interconnects to other modules.

Upgradable Firmware

Utilizing the latest flash technology and high performance communication mediums the firmware of the Protege DIN Rail 16 Zone Input Expander can be updated using the ICT Loadit utility over the Protege system module network.

Ordering Code PRT-ZX16-DIN
Power Supply
DC Input Voltage 11-14VDC
DC Output Voltage 10.83-14.0VDC 0.7A (typical) electronic shutdown at 1.1A
Operating Current 80mA (typical)
Total Combined Current* 3A (max)
Low Voltage Cutout 8.7VDC
Low Voltage Restore 10.5VDC
RS-485 Module Network
Inputs 16 High Security Monitored Inputs(10ms to 1hr input speed programmable)
Trouble Inputs 16
Dimensions (L x W x H) 156.8 x 90 x 60mm (6.17 x 3.54 x 2.36")
Weight 280g (9.87oz)
Operating 0°-50°C (32° - 122°F)
Storage -10°- 85°C (14° - 185°F)
Humidity 0%-93% non condensing, indoor use only (relative humidity)

* The Total Combined Current refers to the current that will be drawn from the external power supply to supply the Input Expander and any devices connected to the Expander's outputs. The Auxiliary outputs are directly connected via electronic fuses to the N+ N- input terminals, and the maximum current is governed by the trip level of these fuses.

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