Visual Signals
27XST Explosion-Proof Strobe Light
- Available in 24VDC, 120VAC and 240VAC
- Six lens colors
- 10,000 hour, strobe tube
- 3/4-inch pendant mount standard; other options available
- Dome guard optional
- Type 4X, IP66 enclosure
- Marine Rated
- UL and cUL Listed, CSA Certified, CSFM Approved

Federal Signal's Model 27XST explosion-proof strobe light produces 80 high-intensity flashes per minute. This warning light operates on 24VDC, 120VAC, and 240VAC 50/60Hz.
The 27XST is UL Listed for Class I, Division 1, Groups C & D; Class II, Division 1, Groups E, F & G; Class I, Division 2, Groups A, B; and Class III. The 27XST is CSA Certified and Marine Rated.
The 24VDC 27XST features a voltage in-rush limiting PCB design that provides greater compatability with factory automation control systems and less electrical interference with in-rush sensitive devices.
The 27XST is Type 4X rated; constructed to IP66. Corrosion resistance is achieved with a powder epoxy finish applied over the copper-free aluminum housing. All exposed hardware is 316 grade stainless steel.
Federal Signal's Model 27XST has an effective candela (ECP) of 850 and a two million peak candela. A pendant mount is supplied, and a ceiling mount and 90º wall mount are available options. For easy installation, the mounting box is first installed and the fixture is then threaded onto the mounting box, making the electrical connection. Electrical continuity is made when five threads are engaged.
Federal Signal's Model 27XST is specifically designed for explosion-proof atmospheres and/or corrosive environments. Because it is easy to install and requires very low maintenance, it is ideal for use in areas such as oil rigs, mines, refineries, and chemical plants.
Models
Part # | Description | Ship Weight | Net Weight | |
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27XST-024ASE | Strobe, 24VDC, expl. proof, amber, in-rush limited | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-024BSE | Strobe, 24VDC, expl. proof, blue, in-rush limited | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-024CSE | Strobe, 24VDC, expl. proof, clear, in-rush limited | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-024GSE | Strobe, 24VDC, expl. proof, green, in-rush limited | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-024MSE | Strobe, 24VDC, expl. proof, magenta, in-rush limited | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-024RSE | Strobe, 24VDC, explosion proof, red, in-rush limited | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-024YSE | Strobe, 24VDC, expl. proof, yellow, in-rush limited | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-120ASC | Explosion-proof strobe, 120VAC, amber | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-120BSC | Explosion-proof strobe, 120VAC, blue | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-120CSC | Explosion-proof strobe, 120VAC, clear | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-120GSC | Explosion-proof strobe, 120VAC, green | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-120MSC | Explosion-proof strobe, 120VAC, magenta | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-120RSC | Explosion-proof strobe, 120VAC, red | 18.1 lbs. | 14 lbs. | Add to Quote > |
27XST-240MSC | Explosion-proof strobe, 240VAC, magenta | 18.1 lbs. | 14 lbs. | Add to Quote > |
Accessories
Part # | Description | Ship Weight | |
---|---|---|---|
DGXC | Dome guard, 27XST & 121X | 1.35 lbs. | Add to Quote > |
CMXC | Mounting kit, ceiling, 27XST & 121X | 4.3 lbs. | Add to Quote > |
WMXC | Mounting kit, 90º wall, 27XST and 121X | 5.4 lbs. | Add to Quote > |
Replacement Parts
Description | Part # | |
---|---|---|
Exterior Dome Assembly, Clear | K8444C271A-01 | Add to Quote > |
Interior Lens, Amber | K8550C095A-02 | Add to Quote > |
Interior Lens, Blue | K8550C095A-01 | Add to Quote > |
Interior Lens, Clear | K8550C095A | Add to Quote > |
Interior Lens, Green | K8550C095A-04 | Add to Quote > |
Interior Lens, Magenta | K8550C095A-07 | Add to Quote > |
Interior Lens, Red | K8550C095A-03 | Add to Quote > |
24VDC Mechanism | K8436107F-03 | Add to Quote > |
120VAC Mechanism | K8436107E-02 | Add to Quote > |
240VAC Mechanism | K8436107E-01 | Add to Quote > |
Strobe Tube | K8107159A | Add to Quote > |
Pendant Mount | K8444A272A | Add to Quote > |
Agency
Listed By Underwriter's Laboratory (ULus) | |
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Visual signal devices for use in hazardous locations | UJTK_E207119.pdf |
Visual signal devices, Marine | UXUB_E84580.pdf |
Listed By Underwriter's Laboratory For Use In Canada (cUL) | |
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Visual signal devices for use in hazardous locations certified for Canada | UJTK7_E207119.pdf |
Certified by CSA International | |
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Signal appliances, miscellaneous, for hazardous locations | 4818_03_1398387.pdf |
Listed By California State Fire Marshall (CSFM) | |
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Miscellaneous device, control unit accessories | 7300_0811_131.pdf |
Specs
Mount | 3/4" Pendant Optional Wall Mount Kit Optional Ceiling Mount Kit |
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Voltage | 24VDC 120VAC 50/60Hz 240VAC 50/60Hz |
Amb. Temp. Range, Dom. | -25ºC to 65ºC (All versions) |
Amb. Temp. Range, Can. | -40ºC to 65ºC (24 volt version) -25ºC to 65ºC (120 & 240 volt versions) |
Light Source/Lamp Style | Strobe Tube |
Lamp Life | 10,000 Hours |
Flash Rate/Minute | 80 |
Peak Candela | 2,000,000 |
Effective Candela | 850 |
Operating Temp. Min. | -13 F |
Operating Temp. Max. | 149 F |
Enclosure Rating | Type 4X |
Ingress Protection (IP) | IP66 |
Dome Guard | Sold Separately |
Dome Colors | Amber Blue Clear Green Red Magenta |
Height | 15.63 IN |
Diameter | 8.82 IN |