Description

The Secutron MRI-3100 is a commercial smoke detector designed for compatible Secutron fire alarm systems. It provides dependable smoke detection for offices, schools, healthcare facilities, warehouses, industrial properties, and other commercial occupancies.

The detector features automatic sensitivity compensation, LED status indication, and a plug-in design that simplifies installation and maintenance. This product is intended exclusively for commercial fire alarm installations.

Product Functions

• Detects airborne smoke
• Reports fire alarm conditions
• Monitors detector sensitivity
• Provides maintenance supervision
• Supports plug-in installation
• Provides visible LED status indication
• Supports routine inspection and testing

Electrical & System Information

The MRI-3100 operates on compatible Secutron fire alarm circuits with an operating voltage range of 16–28 VDC. Device identification is established through the MRI-ADD address card installed in the compatible detector base.

The removable address card allows detector replacement while retaining the programmed device location. Always verify panel, base, and address-card compatibility before installation.

Features

• Commercial smoke detection
• Automatic sensitivity compensation
• LED status indicator
• Plug-in detector head
• MRI-ADD address card system
• Low-profile white housing
• Removable detector design
• Indoor commercial application

Mounting & Design

The MRI-3100 installs on a compatible MRI-2000 Series detector base. Its plug-in construction allows convenient inspection, testing, cleaning, and replacement without disturbing the installed field wiring or address card.

Protection & Applications

Suitable for:

• Office Buildings
• Schools
• Hospitals
• Hotels
• Retail Properties
• Warehouses
• Government Buildings
• Industrial Facilities
• Commercial Properties

Compatibility

Compatible with selected:

• Secutron Fire Alarm Control Panels
• MRI-2000 Standard Base
• MRI-2001 E-Z Fit Base
• MRI-2001R Relay Base
• MRI-2001HT Sounder Base
• MRI-ADD Address Card

Always verify compatibility with the installed fire alarm control panel and detector base before installation.

Technical Specifications

Manufacturer: Secutron

Model: MRI-3100

Product Type: Commercial Smoke Detector

Operating Voltage: 16–28 VDC

Typical Standby Current: 400 µA

Alarm Current: 3.4 mA

Operating Temperature: 0°F to 155°F (-20°C to 70°C)

Operating Humidity: 0%–95% RH, Non-Condensing

Status Indicator: LED

Housing Material: White Polycarbonate

Mounting: Compatible MRI-2000 Series Detector Base

Device Identification: MRI-ADD Address Card

Application: Indoor Commercial Fire Alarm Systems

Listings: UL and ULC Listed; verify the specific product label and project requirements

Applications

The Secutron MRI-3100 is designed for commercial fire alarm systems requiring dependable smoke detection and individual device identification. Typical applications include offices, schools, hospitals, hotels, warehouses, retail facilities, government buildings, industrial properties, and other commercial occupancies.

Datasheet