Description
RKI Fixed Systems 2-Wire Flashing Alarm Light with Horn features 115 VAC, 40-watt lamp, Edwards signaling. The strobe and horn are wired together for simultaneous visual and audible alarm output, making this unit suitable for noisy industrial environments where personnel may not hear an alarm alone. Available in a choice of red, blue, or amber lens cover to match site-specific color-coding conventions or regulatory requirements.
This unit is designed for use with RKI fixed gas detection controllers such as the
Beacon 110 and compatible multi-channel systems. Installation should be performed by a qualified electrician in compliance with applicable electrical codes.
Part Numbers:
51-0090RK — Red Lens Cover, Edwards 51R-N5-40W
51-0091RK — Blue Lens Cover, Edwards 51B-N5-40W
51-0092RK — Amber Lens Cover, Edwards 51A-N5-40W
PK Safety
services RKI Instruments gas monitors in-house with factory-trained technicians — calibration, sensor replacement, bump testing, and full repair. Call
800.829.9580 to speak with a technician.
Related Searches
Accessories,
Fixed Gas Detectors,
Gas Detector Accessories
Frequently Asked Questions
Which RKI controllers is this alarm light compatible with?
This 115 VAC alarm light/horn is designed for use with RKI fixed gas detection systems that provide a compatible relay output, including the
Beacon 110 and Beacon series controllers. Verify the relay output voltage of the specific controller before wiring. For installation questions, call
800.829.9580.
What is the difference between the red, blue, and amber lens options?
The lens color is a visual indicator choice — all three lens colors are the same alarm unit functionally. Red is the most common for general gas alarm alerts. Blue or amber may be used to differentiate alarm types or comply with site-specific color-coding standards. All three use Edwards signaling with a 40-watt lamp.
Are the strobe and horn wired separately or together?
The strobe light and horn are wired together in this unit — both activate simultaneously when triggered by the controller relay. This is a 2-wire configuration, meaning a single pair of wires carries both the power and alarm signal to the device.
Can PK Safety assist with fixed gas alarm installation and setup?
PK Safety's technicians can advise on alarm placement, controller compatibility, and compliance with OSHA 29 CFR 1910.146 confined space standards and applicable NFPA codes. Call
800.829.9580 to discuss your fixed gas detection system requirements.
Is this unit NEMA-rated for outdoor or wet locations?
This particular model is not specified with a NEMA 4X rating. For outdoor, wet, or corrosive environments, consider the
RKI 2-Wire Strobe/Horn NEMA 4X (51-0099RK) rated for 8–33 VDC applications. Call
800.829.9580 to confirm the right alarm unit for the installation environment.
Does PK Safety carry replacement lamps or parts for this alarm?
PK Safety carries a full range of RKI fixed gas detection accessories and parts. If a specific replacement component is needed for this alarm unit, call
800.829.9580 and a technician will look up the correct replacement part.
Read more
Description
RKI Fixed Systems 2-Wire Flashing Alarm Light with Horn features 115 VAC, 40-watt lamp, Edwards signaling. The strobe and horn are wired together for simultaneous visual and audible alarm output, making this unit suitable for noisy industrial environments where personnel may not hear an alarm alone. Available in a choice of red, blue, or amber lens cover to match site-specific color-coding conventions or regulatory requirements.
This unit is designed for use with RKI fixed gas detection controllers such as the Beacon 110 and compatible multi-channel systems. Installation should be performed by a qualified electrician in compliance with applicable electrical codes.
Part Numbers:
51-0090RK — Red Lens Cover, Edwards 51R-N5-40W
51-0091RK — Blue Lens Cover, Edwards 51B-N5-40W
51-0092RK — Amber Lens Cover, Edwards 51A-N5-40W
PK Safety services RKI Instruments gas monitors in-house with factory-trained technicians — calibration, sensor replacement, bump testing, and full repair. Call 800.829.9580 to speak with a technician.
Related Searches
Accessories,
Fixed Gas Detectors,
Gas Detector Accessories
Frequently Asked Questions
Which RKI controllers is this alarm light compatible with?
This 115 VAC alarm light/horn is designed for use with RKI fixed gas detection systems that provide a compatible relay output, including the Beacon 110 and Beacon series controllers. Verify the relay output voltage of the specific controller before wiring. For installation questions, call 800.829.9580.
What is the difference between the red, blue, and amber lens options?
The lens color is a visual indicator choice — all three lens colors are the same alarm unit functionally. Red is the most common for general gas alarm alerts. Blue or amber may be used to differentiate alarm types or comply with site-specific color-coding standards. All three use Edwards signaling with a 40-watt lamp.
Are the strobe and horn wired separately or together?
The strobe light and horn are wired together in this unit — both activate simultaneously when triggered by the controller relay. This is a 2-wire configuration, meaning a single pair of wires carries both the power and alarm signal to the device.
Can PK Safety assist with fixed gas alarm installation and setup?
PK Safety's technicians can advise on alarm placement, controller compatibility, and compliance with OSHA 29 CFR 1910.146 confined space standards and applicable NFPA codes. Call 800.829.9580 to discuss your fixed gas detection system requirements.
Is this unit NEMA-rated for outdoor or wet locations?
This particular model is not specified with a NEMA 4X rating. For outdoor, wet, or corrosive environments, consider the RKI 2-Wire Strobe/Horn NEMA 4X (51-0099RK) rated for 8–33 VDC applications. Call 800.829.9580 to confirm the right alarm unit for the installation environment.
Does PK Safety carry replacement lamps or parts for this alarm?
PK Safety carries a full range of RKI fixed gas detection accessories and parts. If a specific replacement component is needed for this alarm unit, call 800.829.9580 and a technician will look up the correct replacement part.
RKI Fixed Systems 2-Wire Flashing Alarm Light with Horn features 115 VAC, 40-watt lamp, Edwards signaling. The strobe and horn are wired together for simultaneous visual and audible alarm output, making this unit suitable for noisy industrial environments where personnel may not hear an alarm alone. Available in a choice of red, blue, or amber lens cover to match site-specific color-coding conventions or regulatory requirements.
This unit is designed for use with RKI fixed gas detection controllers such as the Beacon 110 and compatible multi-channel systems. Installation should be performed by a qualified electrician in compliance with applicable electrical codes.
Part Numbers:
51-0090RK — Red Lens Cover, Edwards 51R-N5-40W
51-0091RK — Blue Lens Cover, Edwards 51B-N5-40W
51-0092RK — Amber Lens Cover, Edwards 51A-N5-40W
PK Safety services RKI Instruments gas monitors in-house with factory-trained technicians — calibration, sensor replacement, bump testing, and full repair. Call 800.829.9580 to speak with a technician.
Related Searches
Accessories,
Fixed Gas Detectors,
Gas Detector Accessories
Frequently Asked Questions
Which RKI controllers is this alarm light compatible with?
This 115 VAC alarm light/horn is designed for use with RKI fixed gas detection systems that provide a compatible relay output, including the Beacon 110 and Beacon series controllers. Verify the relay output voltage of the specific controller before wiring. For installation questions, call 800.829.9580.
What is the difference between the red, blue, and amber lens options?
The lens color is a visual indicator choice — all three lens colors are the same alarm unit functionally. Red is the most common for general gas alarm alerts. Blue or amber may be used to differentiate alarm types or comply with site-specific color-coding standards. All three use Edwards signaling with a 40-watt lamp.
Are the strobe and horn wired separately or together?
The strobe light and horn are wired together in this unit — both activate simultaneously when triggered by the controller relay. This is a 2-wire configuration, meaning a single pair of wires carries both the power and alarm signal to the device.
Can PK Safety assist with fixed gas alarm installation and setup?
PK Safety's technicians can advise on alarm placement, controller compatibility, and compliance with OSHA 29 CFR 1910.146 confined space standards and applicable NFPA codes. Call 800.829.9580 to discuss your fixed gas detection system requirements.
Is this unit NEMA-rated for outdoor or wet locations?
This particular model is not specified with a NEMA 4X rating. For outdoor, wet, or corrosive environments, consider the RKI 2-Wire Strobe/Horn NEMA 4X (51-0099RK) rated for 8–33 VDC applications. Call 800.829.9580 to confirm the right alarm unit for the installation environment.
Does PK Safety carry replacement lamps or parts for this alarm?
PK Safety carries a full range of RKI fixed gas detection accessories and parts. If a specific replacement component is needed for this alarm unit, call 800.829.9580 and a technician will look up the correct replacement part.
Specifications
Specifications
-
Product Weight (lbs.)
-
Height (in.)
-
Length (in.)
-
Width (in.)
Reviews
Reviews
Keep your team protected & compliant!
- Expert guidance tailored to your specific needs
- Access responsive customer support when you need it
- Enjoy fast shipping directly to your location
- Benefit from extensive industry knowledge—75+ years of experience
- In-house gas detection calibration & repair services available


