Honeywell NOTIFIER ISO-X Fault Isolator Module
- Brand: Honeywell NOTIFIER
- Model: ISO-X
- Type: Addressable Fault Isolator Module
- Function: Isolates Short Circuits on SLC Loops
- Operation: Automatic Short-Circuit Isolation
- Application: Intelligent Fire Alarm Systems
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Product Description
The Honeywell NOTIFIER ISO-X Fault Isolator Module is designed to protect intelligent addressable fire alarm systems by automatically isolating short circuits on the Signaling Line Circuit (SLC). When a wire-to-wire short occurs, the module disconnects the affected section to help maintain communication with devices in the unaffected portions of the loop. Once the short circuit is cleared, the ISO-X automatically reconnects the isolated section. It supports compatible NOTIFIER fire alarm systems using Style 4, Style 6, and Style 7 SLC wiring configurations, subject to system design requirements.
Powered directly from the SLC loop, the ISO-X requires no separate power supply or individual device address. Its yellow LED flashes during normal operation and illuminates steadily when a short circuit is isolated. The module also provides resistance to electromagnetic and radio-frequency interference and uses clamping screw terminals for secure wiring. It can be installed in a standard 4-inch square electrical box or with an optional SMB500 surface-mount backbox. The ISO-X helps limit the impact of wiring faults and maintain communication across unaffected sections of fire alarm systems.
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Features of Honeywell NOTIFIER ISO-X Fault Isolator Module
- Automatically isolates the affected SLC loop section when a short circuit occurs.
Helps maintain communication with unaffected devices during a wiring fault.
Automatically reconnects the isolated section after the fault is cleared.
Operates directly from the SLC loop without an external power supply.
Works with compatible NOTIFIER ONYX fire alarm control panels.
Supports compatible NOTIFIER CLIP systems.
Supports Style 4 wiring configurations.
Supports Style 6 wiring configurations to help isolate short circuits.
Supports compatible Style 7 wiring configurations.
Includes a yellow LED to indicate operating status.
Flashes the LED during normal operation.
Keeps the LED on when a short circuit is isolated.
Resists electromagnetic and radio-frequency interference.
Uses screw terminals with clamping plates for secure wiring connections.
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Specifications of Honeywell NOTIFIER ISO-X Fault Isolator Module
| Specification | Details |
|---|---|
| Brand | NOTIFIER by Honeywell |
| Model | ISO-X |
| Product Type | Intelligent Fault Isolator Module |
| Primary Function | Automatic SLC short-circuit isolation |
| Normal Operating Voltage | 15–32 VDC |
| Standby Current | 450 µA (not isolating) |
| Maximum Current Draw | 17 mA (device in isolation) |
| Communication Circuit | Signal Line Circuit (SLC) |
| Address Setting | Not required |
| Wiring Configurations | Style 4, Style 6, Style 7 |
| Operating Temperature | 0°C to 49°C (32°F to 120°F) |
| Relative Humidity | 10%–93%, non-condensing |
| Dimensions | 4.5 × 4 × 1.25 inches (H × W × D) |
| Mounting Requirement | 4-inch square electrical box, minimum 2⅛-inch depth |
| Wire Gauge | 12–18 AWG |
| Status Indicator | Yellow LED |
| Normal LED Status | Flashing |
| Short-Circuit LED Status | Steady illumination |
| External Power Supply | Not required |
| Surface-Mount Accessory | SMB500 backbox |
| System Compatibility | Compatible NOTIFIER addressable fire alarm control panels only |
NOTIFIER ISO-X Supplier in Dubai UAE
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NOTIFIER ISO-X Part Numbers / Available Configurations
| Part Number | Product / Configuration |
|---|---|
| ISO-X | NOTIFIER Fault Isolator Module — standard version. |
| ISO-XA | NOTIFIER Fault Isolator Module — Canadian ULC-listed version. Confirm regional certification requirements before ordering. |
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NOTIFIER ISO-X Fault Isolator Module Related Products/Accessories
| Product / Accessory | Description |
|---|---|
| SMB500 Surface-Mount Backbox | Optional surface-mount enclosure for installing the NOTIFIER ISO-X Fault Isolator Module where recessed mounting is not suitable. |
| ISO-XA Fault Isolator Module | Canadian ULC-listed version of the ISO-X. Confirm regional approval requirements and compatibility before ordering. |
| Compatible NOTIFIER Fire Alarm Control Panel | Required addressable fire alarm control panel compatible with the ISO-X for SLC loop communication and fault isolation. |
| NOTIFIER FMM-1 Monitor Module | Addressable module for monitoring compatible dry-contact input devices; complements the ISO-X but does not perform the same isolation function. |
| NOTIFIER FCM-1 Control Module | Addressable control module for compatible supervised notification appliance circuits and other designated control applications. |
| NOTIFIER FRM-1 Relay Module | Addressable relay module with dry-contact outputs for compatible auxiliary control applications. |
| NOTIFIER Compatible Addressable Detectors and Modules | Compatible SLC loop devices that can be arranged in groups protected by fault isolators according to the system design and installation manual. |
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We are your trusted source for Honeywell NOTIFIER Fire and Life Safety Systems in Dubai. Explore our range of fire alarm products, including intelligent addressable fire alarm control panels, smoke detectors, heat detectors, manual call points, notification devices, and system accessories. Our products help support reliable fire detection and alarm notification across various applications. Please contact us if you cannot find the product you need.
Gulf Safety Supplies is a trusted supplier of Fire and Life Safety Products in Dubai, UAE, specializing in Honeywell NOTIFIER fire alarm solutions. We aim to provide competitive prices for Honeywell NOTIFIER Fire Alarm Control Panels and Accessories in Dubai, Saudi Arabia, Oman, Qatar, Bahrain, Kuwait, Iraq, Egypt, Congo, Ghana, Nigeria, Tanzania, and Uganda.
Our product range includes Addressable Fire Alarm Control Panels, Smoke Detectors, Heat Detectors, Manual Call Points, Audible and Visual Alarm Devices, Monitor Modules, Control Modules, Remote Annunciators, and Fire Alarm System Accessories. These products support fire detection, alarm notification, and system monitoring in commercial buildings, industrial facilities, hospitals, hotels, and other applications.
If you are planning to upgrade your fire protection system or equip a new facility, contact Gulf Safety Supplies for product information and pricing. We offer competitive prices and may provide special discounts on bulk orders, depending on product availability and order quantity.




