Notifier NBG 12LX Addressable Manual Pull Station

KTI07001001NBG12

Product Description

The Notifier NBG-12LX is a dual-action addressable manual pull station engineered for intelligent fire alarm signaling circuits across commercial, institutional, and industrial facilities.

Make/Brand: Notifier
Model: NBG-12LX
Operation Type: Dual-action (push in, then pull down) with key-operated reset lock
Operating Voltage: 24 VDC nominal (up to 28.0 VDC maximum SLC loop voltage)
Current Consumption: 375 µA maximum standby; 5 mA maximum alarm
Addressing: Dual rotary decimal switches (1 to 159 on FlashScan, 1 to 99 on CLIP)
Status Indication: Built-in bicolor polling LED (blinks green normal, latches steady red alarm)
Wiring: 2-wire SLC connection with captive screw terminals supporting up to 12 AWG (3.25 mm²) wire
Construction: Textured red polycarbonate housing with 1.00 inch white FIRE lettering and Braille text
Mounting Options: Semi-flush mount to standard single-gang, double-gang, or 4-inch square boxes; surface mount via SB-10 or SB-I/O backbox
System Compatibility: Notifier intelligent control panels (excluding FireWarden series and NSP-25)
Compliance: UL 38, ADAAG Section 4.1.3[13] (5 lb. maximum operating force)

KTI07001001NBG12

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Product Details
Available Brands	Notifier
Unit	Numbers
HSN Code	85311020
Weight	0.272 kg
Warranty	12 Months Warranty
Resources	Download Datasheet Download Datasheet 2
Tags/categories	Safety Fire Safety Solutions Fire Alarm System Addressable Fire Alarm System Notifier Fire Alarm System

Usually dispatched within 21 days

About this product .

The Notifier NBG-12LX is an intelligent dual-action addressable manual fire alarm pull station designed to provide swift, unambiguous manual fire alarm initiation. Molded from impact-resistant red polycarbonate with a textured finish, the housing features prominent white 'FIRE' lettering measuring 1.00 inch (2.54 cm) or larger, along with integrated Braille lettering embossed directly on the pull handle.
Operation requires a deliberate two-step motion—pushing in and pulling down—which effectively deters accidental tripping or malicious tampering in public areas. Once operated, the handle latches firmly in place, presenting a bright yellow 'ACTIVATED' indicator at the top while the lower segment extends outward from the base for rapid visual identification by first responders.
Equipped with an integrated addressable interface, the station communicates point-specific alarm information across a standard two-wire Signaling Line Circuit (SLC). Addressing is configured using two built-in rotary decimal switches supporting addresses 1 through 159 on Notifier FlashScan protocol loops and 1 through 99 on CLIP protocol loops.
A built-in bicolor LED visible through the handle provides immediate field diagnostic feedback, flashing green during normal system polling on FlashScan loops and latching solid red when an alarm condition is registered. The unit operates at a nominal 24 VDC with a maximum loop voltage of 28.0 VDC, consuming 375 µA in standby and 5 mA in full alarm.
Installation flexibility allows semi-flush mounting into standard single-gang, double-gang, or 4-inch (10.16 cm) square electrical boxes using an optional BG12TR trim ring where necessary. For surface-mount installations, the station pairs with dedicated Notifier surface backboxes, including the SB-10 metal backbox or the SB-I/O plastic backbox.
Routine inspection, maintenance, and address reconfiguration can be carried out without initiating an unwanted panel alarm by unlocking the station cover with the designated reset key. Unlocking and opening the station door unlatches the operating handle, while closing the door automatically re-engages the internal switch to restore normal standby monitoring.
The NBG-12LX complies with ADAAG Section 4.1.3[13] operating controls guidelines with an activation force threshold under 5 lbs. It meets UL 38 standards for manually actuated signaling boxes and is designed for indoor deployment in dry commercial and institutional buildings across intelligent Notifier systems, excluding FireWarden and NSP-25 panels.

Product Information .

Worship Places Industries, Factories Hospitals, Clinics Shopping Malls, Showrooms Government Buildings, Offices Party Plots, Gardens Banks Airports Railways, Bus Stations Conference Rooms Resorts Refineries Chemical Plants Defense Sectors Event Management Server Rooms Pharma Industries Auditorium Conference Hall Emergency Services

Notifier NBG-12LX System, Protocol, and Hardware Compatibility

The Notifier NBG-12LX dual-action addressable manual pull station is engineered specifically for seamless deployment within Notifier intelligent fire alarm networks. Integrating a dedicated addressable interface module directly into the station housing, the unit communicates over the Signaling Line Circuit (SLC) without requiring external monitor modules or third-party transponders.

Notifier Control Panel Compatibility & Exclusions

The NBG-12LX is compatible with any Notifier intelligent fire alarm control panel, including high-capacity systems such as the NFS2-640 and NFS2-3030. It provides fully supervised point addressability, station status polling, and localized alarm reporting.

Crucial system exclusions apply across the Notifier portfolio: the NBG-12LX is explicitly incompatible with Notifier FireWarden series panels (such as the NFW-50, NFW-100, or NFW2-100) and the NSP-25 panel. Installers working on FireWarden or NSP-25 networks must use panel-designated initiation devices rather than the NBG-12LX.

Communication Protocols and Addressing Limits

The manual pull station supports both Notifier communication protocols—FlashScan and CLIP (Classic Loop Interface Protocol). Device addressing is configured physically via two onboard rotary decimal switches, allowing service technicians to set addresses from the front assembly when unlocked without generating a nuisance alarm at the panel:

FlashScan Protocol: Supports addressing from 1 to 159, allowing a maximum density of up to 159 NBG-12LX stations per SLC loop. On FlashScan loops, the station's built-in bicolor LED blinks green during normal polling cycles and turns solid red upon alarm activation.
CLIP Protocol: Supports addressing from 1 to 99, allowing up to 99 NBG-12LX stations per SLC loop. The LED latches solid red when the station is triggered into alarm.

SLC Loop Electrical and Wiring Compatibility

The NBG-12LX operates over a two-wire connection wired directly to an SLC loop of the fire alarm control panel. It incorporates captive screw terminals designed for field wiring conductors up to 12 AWG (3.25 mm²). Electrical integration parameters include:

Nominal Operating Voltage: 24 VDC
Maximum SLC Loop Voltage: 28.0 VDC
Maximum Standby Current: 375 µA
Maximum Alarm Current: 5 mA

Approved Mounting Backboxes and Trim Accessories

The station can be installed in semi-flush or surface-mounted configurations depending on the mechanical layout and conduit infrastructure:

Standard Electrical Boxes (Semi-Flush): Mounts directly to a standard single-gang electrical box, a double-gang electrical box, or a 4-inch (10.16 cm) square electrical box.
BG12TR Trim Ring: Required when semi-flush mounting the station to a double-gang or 4-inch (10.16 cm) square box to ensure complete enclosure coverage. The BG12TR is not required for single-gang installations.
Surface Backboxes: For surface-run conduit or rigid wall installations, the station is compatible with the model SB-10 metal surface backbox and the model SB-I/O plastic surface backbox.
Specialized Plates & Hardware: Compatible with the NY-Plate (New York City trim plate) and uses the 17021 key set (pair of replacement keys) for station locking, testing, and handle reset.

Environmental Compatibility

The NBG-12LX is rated strictly for dry, indoor applications across an operating temperature range of 32°F to 120°F (0°C to 49°C) and relative humidity between 10% and 93% (noncondensing). It is not rated for outdoor, high-moisture, or classified hazardous locations without additional approved protective enclosures.

Notifier NBG-12LX Mounting, Field Wiring, and Commissioning Guide

The Notifier NBG-12LX dual-action addressable manual pull station is engineered for indoor installation in dry commercial, institutional, and industrial facilities. The unit features a durable red polycarbonate textured shell and must be installed in compliance with ADAAG Section 4.1.3[13] guidelines for controls and operating mechanisms, complying with the 5 lb. maximum activation force threshold.

Backbox Selection and Mounting Configurations

The NBG-12LX supports both semi-flush and surface-mounted backbox configurations to accommodate various architectural and conduit specifications:

Semi-Flush Installation: The pull station mounts directly to a standard single-gang electrical box without auxiliary trim. When semi-flush mounting to a double-gang electrical box or a 4-inch (10.16 cm) square electrical box, the optional BG12TR trim ring is required to bridge the box opening.
Surface-Mount Installation: For exposed conduit runs or surface architectural finishes, the unit requires a dedicated surface backbox. Installers can specify the SB-10 surface backbox (metal) or the SB-I/O surface backbox (plastic). The optional NY-Plate trim plate is also available where wide-profile coverage is specified.

Signaling Line Circuit (SLC) Field Wiring

The station connects directly to an intelligent control panel Signaling Line Circuit (SLC) loop via a standard two-wire interface. The terminal block features wire-ready captive screw terminals capable of terminating field wiring up to 12 AWG (3.25 mm²). Before terminating, ensure the loop wiring is de-energized.

The unit operates at a nominal loop voltage of 24 VDC, with a maximum allowable SLC loop voltage of 28.0 VDC. In normal standby mode, the maximum current draw is 375 µA, increasing to a maximum alarm current draw of 5 mA when the pull handle is actuated.

Rotary Address Switch Configuration

Address assignment is executed manually via two integrated rotary decimal switches located on the station assembly. Maintenance personnel can unlock and open the front door using the supplied key to access the switches without causing a panel alarm condition:

FlashScan Protocol: Set the rotary decimal switches between address 01 and 159 (supporting up to 159 NBG-12LX stations per SLC loop).
CLIP Protocol: Set the rotary switches between address 01 and 99 (supporting up to 99 NBG-12LX stations per SLC loop).

Note: The NBG-12LX is compatible with Notifier intelligent control panels, but is incompatible with Notifier FireWarden series panels and the NSP-25 panel.

Testing, Resetting, and Operational Verification

Following wiring and address assignment, close the door and test the station by pushing in and pulling down the dual-action handle. When tripped, the handle latches firmly into place, exposing the bright yellow word 'ACTIVATED' at the top while the handle tail protrudes from the bottom of the enclosure.

Operational status is verified through the built-in bicolor LED visible through the handle. In FlashScan mode, the LED blinks green during normal panel polling and latches steady red when an alarm is initiated. To restore normal operation, unlock the key lock and open the door; this unlatches the handle. Closing the door automatically resets the internal alarm switch.

Mounting and Electrical Reference

Parameter	Specification
Operating Voltage	24 VDC nominal (28.0 VDC maximum)
Standby / Alarm Current	375 µA maximum standby / 5 mA maximum alarm
Wiring Gauge	Up to 12 AWG (3.25 mm²) captive screw terminals
Operating Temperature	32°F to 120°F (0°C to 49°C)
Operating Humidity	10% to 93% relative humidity (noncondensing)
Surface Backbox Options	SB-10 (metal), SB-I/O (plastic)
Semi-Flush Trim Ring	BG12TR (required for 4" square and double-gang boxes)

Maintenance, Inspection, and Reset Procedures for Notifier NBG-12LX

Routine maintenance and functional inspection of the Notifier NBG-12LX dual-action addressable manual pull station are designed to allow technicians to test, inspect, and configure the device without causing false alarms at the fire alarm control panel. The station housing, door, and handle are molded from textured red polycarbonate and incorporate a dedicated key lock for authorized internal access.

Key-Operated Housing Access and Address Configuration

Maintenance personnel can unlock and swing open the front door using the station key to inspect internal wiring and configure the rotary decimal switches. Opening the housing via the key lock does not trigger an alarm condition on the signaling line circuit (SLC). This feature facilitates safe, non-disruptive troubleshooting, terminal inspections, and address modifications during live building occupancy.

Inside the station, address settings are established via two rotary decimal switches:

FlashScan Protocol Networks: Addressable across decimal values 01 through 159 (supporting up to 159 NBG-12LX stations per SLC loop).
CLIP Protocol Networks: Addressable across decimal values 01 through 99 (supporting up to 99 NBG-12LX stations per SLC loop).

Note that the NBG-12LX addressable interface is compatible with standard Notifier intelligent control panels, but is not compatible with Notifier FireWarden series panels or the NSP-25 panel.

Post-Activation Reset and Servicing

During activation, pulling down the handle requires a maximum activation force of 5 lb. (compliant with ADAAG Section 4.1.3[13] and ADA standards). Once activated, the handle latches firmly downward, displaying the word “ACTIVATED” in bright yellow text at the top while the bottom section of the handle extends below the station base.

To reset the unit after testing or emergency actuation:

Insert the key into the integrated front key lock and unlock the station.
Pull the front door forward to open it. Opening the door physically releases and resets the latched pull handle.
Close and relock the door. Closing the door automatically resets the internal electrical switch back to normal standby status.
Clear the active alarm condition at the Notifier intelligent fire alarm control panel.

Bicolor LED Diagnostic Verification

Routine visual inspections can be performed without opening the station by observing the built-in bicolor diagnostic LED located through the station handle:

Normal Standby (FlashScan systems): The LED blinks green during normal SLC polling, verifying active communication with the intelligent panel.
Alarm Condition: The LED latches to a steady red illumination when the station handle is pulled, providing clear visual confirmation of initiating status.

Electrical Inspection and Environmental Boundaries

When conducting periodic system audits or checking line connections, verify that field wiring installed on the captive screw terminals (compatible with wire up to 12 AWG / 3.25 mm²) aligns with standard operating tolerances:

Parameter	Specification
Normal Operating Voltage	24 VDC
Maximum SLC Loop Voltage	28.0 VDC
Maximum Standby Current	375 µA
Maximum Alarm Current	5 mA
Operating Temperature Range	32°F to 120°F (0°C to 49°C)
Operating Humidity Range	10% to 93% Relative Humidity (noncondensing)
Operating Environment	Indoor dry locations only

Maintenance Accessories and Spare Parts

Facility maintenance inventories should stock genuine manufacturer hardware accessories to support periodic testing, replacement, or re-mounting:

17021: Replacement key set (includes a pair of two keys).
SB-10: Metal surface-mount backbox.
SB-I/O: Plastic surface-mount backbox.
BG12TR: Optional trim ring required when semi-flush mounting to double-gang or 4-inch (10.16 cm) square electrical boxes (not required for single-gang boxes).
NY-Plate: New York City trim plate.

Notifier NBG-12LX Application Scenarios and Facility Deployment

The Notifier NBG-12LX addressable manual pull station is engineered for manual fire alarm initiation across indoor commercial, institutional, and light industrial facilities. Connected over a 2-wire Signaling Line Circuit (SLC) to compatible Notifier intelligent fire alarm control panels, the station delivers distinct point identification, dual-action nuisance prevention, and seamless system monitoring.

High-Traffic Commercial and Institutional Facilities

In public corridors, commercial office complexes, retail centers, and educational facilities, accidental tripping of fire alarms disrupts operations and incurs costly false alarm penalties. The NBG-12LX mitigates accidental or malicious activation through a dual-action mechanism requiring the operator to push the handle inward before pulling down to latch the mechanism.

Accessible Public Spaces: Complies with ADAAG Section 4.1.3[13] and ADA specifications, operating under a 5 lb. maximum activation force threshold.
Universal Visibility: High-visibility red polycarbonate housing features bold white "FIRE" lettering measuring at least 1.00 inch (2.54 cm) alongside integrated Braille lettering on the handle to assist visually impaired occupants.
Positive Activation Confirmation: When pulled, the handle latches mechanically, exposing the word "ACTIVATED" in bright yellow text at the top and protruding at the base for immediate visual identification along corridors.

Intelligent Notifier SLC Loop Deployments (FlashScan & CLIP)

The NBG-12LX serves as a dedicated manual initiation node on intelligent Notifier loops, operating at a nominal 24 VDC (up to 28.0 VDC maximum SLC voltage) with low power draw (375 µA standby current, 5 mA alarm current). It integrates into large-scale building management architectures using rotary decimal switches to assign device addresses without requiring specialized programming software.

High-Capacity FlashScan Networks: Accommodates up to 159 stations per SLC loop when connected to Notifier FlashScan protocol panels (such as NFS2-640 and NFS2-3030 systems), supporting address configurations from 1 to 159.
Legacy CLIP Protocol Loops: Supports backward compatibility on Notifier Classic Loop Interface Protocol (CLIP) systems, allowing address configuration from 1 to 99 for existing panel modernization projects.
Visual Polling Status: An integral bicolor status LED shines through the station handle, blinking green during normal loop polling cycles on FlashScan systems and latching steady red when an alarm condition is initiated.

Dry Industrial Plants, Warehouses, and Utility Structures

Within indoor utility spaces, manufacturing sub-areas, and distribution centers operating within dry environmental thresholds—temperatures from 32°F to 120°F (0°C to 49°C) and relative humidity between 10% and 93% noncondensing—the durable textured polycarbonate shell resists typical indoor industrial wear.

Surface-Mounted Conduit Environments: In utility rooms lacking recessed junction boxes, the station surface mounts directly using the metal SB-10 backbox or the plastic SB-I/O backbox.
Semi-Flush Electrical Infrastructure: Compatible with standard single-gang, double-gang, or 4-inch (10.16 cm) square electrical boxes. When mounting to double-gang or 4-inch square boxes, the station integrates cleanly using the optional BG12TR trim ring.
Direct Field Terminations: Heavy-gauge captive screw terminals accept loop wiring up to 12 AWG (3.25 mm²), ensuring reliable terminations inside high-density electrical riser configurations.

Regulated Periodic Testing and Fire Safety Audits

Facility maintenance teams and life safety contractors benefit from the NBG-12LX key-locking design during routine code compliance testing. Personnel can unlock and open the door assembly to inspect the station interior or adjust the two rotary decimal address switches without triggering an alarm condition at the control panel. After a genuine alarm or test actuation, inserting the key and opening the door releases the mechanical handle latch; closing the door automatically resets the internal microswitch, restoring normal supervisory operation.

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