Honeywell NOTIFIER LEM-320 Loop Expander Module

The NOTIFIER LEM-320 is a plug-in loop expansion module designed to add an additional Signaling Line Circuit (SLC) to compatible Honeywell NOTIFIER ONYX Series fire alarm control panels. It expands the NFS-640 and NFS2-640 from one loop to two, and can expand each compatible LCM-320 loop in NFS-3030 and NFS2-3030 systems. Its built-in degraded-mode capability, compact plug-in design, and support for long SLC wiring distances make it useful for addressable fire alarm installations that require additional loop capacity.

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Honeywell NOTIFIER LEM-320 Loop Expander Module Supplier in Saudi Arabia Product Description

The Honeywell NOTIFIER LEM-320 Loop Expander Module is an addressable fire alarm system expansion component designed to provide additional Signaling Line Circuit (SLC) capacity in compatible NOTIFIER ONYX Series fire alarm control panels. It works with the NFS-640 and NFS2-640 control panels to add a second SLC loop and with compatible LCM-320 modules in NFS-3030 and NFS2-3030 systems to expand loop capacity. This enables supported systems to connect with additional compatible addressable detectors, monitor modules, and control modules, subject to the panel’s approved configuration.

The LEM-320 features a convenient plug-in installation design, built-in degraded-mode operation to help improve system survivability, and support for SLC wiring distances of up to 12,500 feet (3,810 metres) using 12 AWG twisted, unshielded pair cable in a Class B (Style 4) configuration. Designed for use in commercial buildings, industrial facilities, and infrastructure projects, the module helps expand addressable fire alarm system capacity while maintaining integration with compatible NOTIFIER control equipment. Confirm panel compatibility, wiring requirements, and applicable approvals before installation or replacement.

AED Arabia supplies Honeywell NOTIFIER Fire & Life Safety products for projects across Saudi Arabia, including the Honeywell NOTIFIER LEM-320 Loop Expander Module and Honeywell NOTIFIER LCM-320 Loop Control Module, designed for compatible intelligent addressable fire alarm systems and loop management applications. For pricing, bulk orders, or project procurement in Riyadh, Jeddah, Dammam, Al Khobar, Dhahran, and Al Jubail, contact AED Arabia to request a quotation, verify system compatibility, and confirm product availability and delivery options across Saudi Arabia (KSA).

Features of Honeywell NOTIFIER LEM-320 Loop Expander Module Key Advantages

  • Additional SLC Loop Capacity: Adds an additional signaling line circuit in supported NOTIFIER ONYX system configurations.
  • NFS-640 Compatibility: Expands the compatible NFS-640 control panel from one SLC loop to two.
  • NFS2-640 Compatibility: Supports expansion of the compatible NFS2-640 control panel to a second SLC loop.
  • LCM-320 Expansion: Adds an expansion loop to each compatible LCM-320 in NFS-3030 and NFS2-3030 systems.
  • Plug-In Installation: Uses a plug-in module design for installation in compatible panel hardware.
  • Built-In Degraded Mode: Provides degraded-mode operation to help improve system survivability.
  • Long-Distance SLC Wiring: Supports up to 12,500 ft (3,810 m) using 12 AWG twisted-pair cable in a specified Class B configuration.
  • Multiple Wire Gauge Support: Supports specified 12–18 AWG twisted, unshielded SLC wiring.
  • 24 VDC Nominal Operation: Operates with a nominal voltage of 24 VDC and a maximum specified voltage of 27.6 VDC.
  • Controlled Current Consumption: Has a specified maximum current draw of 100 mA.
  • Addressable Device Integration: Supports compatible addressable devices connected to the expanded SLC loop.
  • Supervised Loop Support: Supports supervised SLC wiring in accordance with the system design and installation requirements.
  • Power-Limited Circuit Design: Integrates into the specified supervised, power-limited SLC architecture.
  • Compact System Expansion: Helps provide additional loops within a compatible control panel enclosure.
  • Recognized Product Approvals: Manufacturer documentation lists approvals including UL/ULC, FM, CSFM, and FDNY for applicable configurations; verify current approval status for the intended installation.

Industrial, commercial, oil & gas, chemical, and HSE teams across Riyadh, Jeddah, Dammam, Dhahran, Al Khobar, and Al Jubail rely on the Honeywell NOTIFIER LEM-320 Loop Control Module for dependable loop control and addressable device communication in compatible NOTIFIER ONYX Series fire alarm systems. Designed to support communication between the fire alarm control panel and connected addressable devices, the LEM-320 helps facilitate centralized monitoring and efficient fire alarm system operation in demanding commercial, industrial, and infrastructure applications.

Specifications of Honeywell NOTIFIER LEM-320 Loop Expander Module Demonstration

Specification Details
Brand Honeywell NOTIFIER
Model LEM-320
Product Type Loop Expander Module
Primary Function Adds an SLC loop in compatible fire alarm control panel configurations
Compatible Control Panels NOTIFIER NFS-640, NFS2-640, NFS-3030, NFS2-3030, as applicable
Operating Voltage 24 VDC nominal
Maximum Voltage 27.6 VDC
Maximum Current Draw 100 mA
Maximum SLC Loop Current 400 mA per loop
Maximum Loop Length Up to 12,500 ft (3,810 m) with 12 AWG twisted-pair cable in specified Class B configuration
Wiring Type Twisted, unshielded pair
Supported Wire Gauges 12–18 AWG
Maximum Loop Resistance 50 ohms, subject to wiring style
Installation Type Plug-in module
Degraded Mode Built-in
Expansion on NFS-640 / NFS2-640 Adds a second SLC loop
Expansion on NFS-3030 / NFS2-3030 One LEM-320 can expand each compatible LCM-320
Operating Temperature 0°C to 49°C (32°F to 120°F)
Relative Humidity 93% ± 2% RH, non-condensing at 32°C ± 2°C
Approvals Listed in Manufacturer Datasheet UL, ULC, FM, CSFM, FDNY and selected regional approvals; verify current applicability
Typical Applications Commercial buildings, industrial facilities, and infrastructure fire alarm systems

NOTIFIER LEM-320 Loop Expander Module Related Products/Accessories Explore Compatible Accessories and Related Products

Product / AccessoryDescription
NOTIFIER LCM-320 Loop Control ModuleLoop control module that supports an additional SLC and can accept a compatible LEM-320 expansion module in supported configurations.
NOTIFIER NFS-640 Fire Alarm Control PanelCompatible ONYX Series panel that can be expanded from one SLC loop to two using the LEM-320.
NOTIFIER NFS2-640 Fire Alarm Control PanelCompatible intelligent control panel that supports a second SLC loop through the LEM-320.
NOTIFIER NFS-3030 Fire Alarm Control PanelONYX Series control panel that supports LCM-320 modules and associated LEM-320 loop expansion.
NOTIFIER NFS2-3030 Fire Alarm Control PanelIntelligent fire alarm control panel that supports loop expansion using compatible LCM-320 and LEM-320 modules.
NOTIFIER Addressable Smoke DetectorsCompatible detectors that communicate with the fire alarm control panel through the SLC loop.
NOTIFIER Addressable Monitor ModulesModules for monitoring compatible initiating devices and dry-contact inputs.
NOTIFIER Addressable Control ModulesModules that provide compatible control functions for designated fire alarm equipment.

Honeywell NOTIFIER LEM-320 Loop Expander Module Datasheets

Honeywell NOTIFIER LEM-320 Loop Expander Module

Honeywell NOTIFIER LEM-320 Datasheet

Honeywell NOTIFIER LEM-320 Loop Expander Module Supplier in Saudi Arabia

Frequently Asked Questions Demonstration

Where can I buy the NOTIFIER LEM-320 Loop Expander Module in Saudi Arabia?

Contact AED Arabia to enquire about sourcing the LEM-320, confirm availability, and request a quotation for your fire alarm project.

Yes, the LEM-320 can expand the compatible NFS-640 from one SLC loop to two, subject to the manufacturer’s installation requirements.

Submit your required quantity, fire alarm control panel model, project location, and delivery requirements through the AED Arabia Contact Us page.

You can submit bulk requirements for a project or procurement enquiry. Confirm the available quantity, lead time, and commercial terms with AED Arabia.

The LCM-320 is a Loop Control Module that provides loop control capacity, while the LEM-320 expands a compatible loop configuration by adding another SLC.

You can enquire about delivery to Riyadh, Jeddah, Dammam, Dhahran, Al Khobar, and Al Jubail. Confirm delivery coverage and timelines when requesting a quotation.

It may be used in compatible fire alarm systems for these facilities, provided the complete installation meets project specifications, environmental requirements, and applicable approvals.

Yes, you can submit a spare-parts enquiry with your expected quantity, installed panel models, site locations, and required delivery schedule.

Visit the AED Arabia Contact Us page and provide your required quantity, project details, panel model, and delivery location.

Honeywell NOTIFIER LEM-320 Loop Expander Module in Saudi Arabia Request for Bulk Quotation

Looking to buy the Honeywell NOTIFIER LEM-320 Loop Control Module at competitive prices for industrial facilities, construction projects, oil & gas operations, petrochemical plants, commercial buildings, or HSE and fire-safety projects in Saudi Arabia? AED Arabia provides fast quotations, competitive pricing, and reliable supply support for organizations across Riyadh, Jeddah, Dammam, Dhahran, Al Khobar, and Al Jubail. Companies and procurement teams searching for the best Honeywell NOTIFIER LEM-320 Loop Control Module in Saudi Arabia, bulk fire alarm system procurement, or a trusted Honeywell NOTIFIER supplier can contact our team for expert assistance, competitive quotations, and fast delivery across KSA.

We Serve:

  • Industrial facilities and manufacturing companies across Saudi Arabia
  • Construction companies and project contractors in Riyadh and Jeddah
  • Oil & gas and petrochemical facilities in Dhahran and Al Jubail
  • Commercial buildings, offices, hotels, and warehouses
  • Corporate HSE, fire-safety, and facility management teams in Al Khobar and Dammam
  • Hospitals, laboratories, schools, and critical infrastructure projects

NOTIFIER LEM-320 Part Numbers / Available Configurations Ordering Information

Part NumberProduct / Configuration
LCM-320NOTIFIER Loop Control Module — adds additional Signaling Line Circuits (SLCs) to compatible NFS-3030 and NFS2-3030 fire alarm control panels.
LEM-320NOTIFIER Loop Expander Module — expands an LCM-320 loop on compatible NFS-3030/NFS2-3030 panels; also adds a second loop to compatible NFS-640/NFS2-640 panels.

Get Bulk Pricing for Honeywell NOTIFIER LEM-320 Loop Expander Module in Saudi Arabia

Honeywell About the Brand

Honeywell is a globally recognized manufacturer of fire & life safety, gas detection, personal safety, and workplace protection solutions, trusted by oil & gas companies, chemical facilities, industrial organizations, emergency response teams, and safety professionals worldwide. Honeywell products are designed to provide reliable detection, monitoring, alarm, and protection in demanding commercial, industrial, and hazardous environments.

Honeywell offers a comprehensive range of fire & life safety and gas detection solutions, including fire alarm control panels, intelligent addressable fire alarm systems, detectors, notification devices, gas detectors, sensors, and compatible testing and maintenance accessories. Its safety portfolio supports applications across oil & gas, petrochemical, chemical processing, construction, manufacturing, utilities, commercial buildings, confined spaces, and industrial facilities.

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AED Arabia, a Dubai-based medical and safety equipment company, supplies genuine Honeywell fire & life safety, gas detection, and workplace safety products, including Fire & Life Safety, single-gas detectors, multi-gas detectors, fire alarm systems, gas detection sensors, and related accessories and replacement components. We provide a comprehensive range of Honeywell safety solutions for fire detection, fire alarm control, gas monitoring, hazardous-area protection, industrial safety, oil & gas operations, petrochemical and chemical processing, confined-space applications, workplace HSE, and occupational safety. We offer fast, door-to-door delivery from Dubai, UAE, across Saudi Arabia (KSA) and all GCC countries, with duties and taxes included where applicable for a smooth and transparent purchasing experience. Whether you need an instant quotation or want to source Honeywell fire alarm, life safety, or gas detection equipment in bulk, our team provides reliable logistics support, fast dispatch, competitive pricing, and international shipping for urgent and project-based requirements.

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