Morrison Bros. Model 918AC Tank Alarm System Interface w/ 1 Input & 3 Outputs

AC-powered console designed to monitor 1 to 4 simple input switch devices and provide both audible and visual indication when an input switch is activated. The 918AC has the optional capability to add 1 to 4 configurable relay outputs to interface with remote audible and visual indicators or other external simple switch-activated devices.

Features

• Intrinsically safe input modules expandable up to 4 input channels
• Electromechanical output modules expandable up to 4 output relays
• Audible alarm ON/OFF selectable by channel
• Auto silence ON/OFF selectable by channel
• Normal open (NO) or normal close (NC) selectable on input and output
• Output relay activation selectable to one or more input channels
• Fail safe mode selectable to indicate power outage at console
• Change lens color: red (standard), amber, or green
• Power Requirements: 100-240 VAC, +/-10%, 50/60 Hz
• Input Sensors: simple switch devices
• Output Relays: dry switch contact, form C SPDT, rated 5 AMPS at 240 VAC
• Enclosure: NEMA 4X indoor/outdoor weather protected lockable box (non-hazardous location only)
• Audible Horn: 95 dBA at 2 feet
• Operating Temperature: -40°F to 140°F

Approvals

• UL/cUL 913 Listing for Ordinary Location with Hazardous Location Intrinsically Safe Input Circuits for Class 1, Div 1, Group D
• Florida DEP EQ-834

Downloads

Specification Sheet (PDF Download)

Output Module Installation Guide (PDF Download)

Lens Kit and Indicator Board Installation Guide (PDF Download)

Installation Instructions (PDF Download)

Input Module Installation Guide (PDF Download)