Control Tower Stack Lights
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Bulletin 855 Control Tower™ Stack Lights provide multi-status indication of your application. They are available in three sizes with UL Type 4/4X/13, IP65 ratings, to meet the most challenging panel and on-machine applications. We have a wide variety of light and sound functions, colors, voltages, and mounting options. We offer stack lights as separate light and sound modules or pre-assembled for greater flexibility. |
Features
- Available in 30 mm, 50 mm and 70 mm sizes
- Steady and flashing status indicator light modules
- Continuous or pulsing piezo sound modules
- Stacking configurations 1…5 modules high
- Multiple mounting options
- Top-mounted terminal blocks on all bases
- DeviceNet bases available
855T Transducer-style Sound Modules
Our sound modules are availabe in up to 15 tones, with adjustable volume, frequency, and speed. To hear an option, select any tone from the table below.
| Transducer-style Sound Modules [.WAV] | ||||
|---|---|---|---|---|
| Gong 1 | Gong 2 | Gong 3 | Changing (500 Hz) | Continuous (500 Hz) |
| Continuous (1500 Hz) | Emergency | Interrupted (500 Hz) | Interrupted (1500 Hz) | Ascending |
| Descending | Signal (100 Hz) | Sinus | Siren | Triangle |
Products
- 855D 30mm Compact Control Tower Stack Lights
- 855F 70 mm Compact Control Tower Stack Lights
- 855E 50 mm Control Tower Stack Lights
- 855T 70 mm Control Tower Stack Lights
Certifications
- cULus Listed, CE Marked
Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.
Frequently Viewed Publications
| Title | Number | Language |
|---|---|---|
| Signaling Solutions Brochure | 855-BR001 |  EN |
| Signal Solutions Overview | 855-BR002 | EN |
Product Catalog
Find catalog numbers, certifications, and specifications.
- Bulletin 855D 30mm Compact Control Tower Stack Lights
- Bulletin 855F 70 mm Compact Control Tower Stack Lights
- Bulletin 855E 50 mm Control Tower Stack Lights
- Bulletin 855T 70 mm Control Tower Stack Lights
Certifications
See our Product Certification site for Declarations of Conformity, certificates and other certification details.
Can’t Find What You Need?
Browse our Literature Library where you can search for additional publications in more languages. You can also use the Advanced Search feature to search by catalog number, publication type, title, or keywords to narrow your results.Build This Catalog Number
Build or verify a catalog number, and get information and CAD drawings for these products.
- Select 855D 30 mm Compact Control Towers
- Select 855F 70 mm Compact Control Towers
- Select 855E Pre-Assembled 50 mm Control Towers
- Select 855T Pre-Assembled 70 mm Control Towers
Configuration & Selection Tools
- CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley® products.
- eCADWorks — Select product 3D-CAD drawings in AutoCAD®.
- ProposalWorks — Build complete quotes and proposals.
Accessories
We offer a variety of accessories for your 855 Control Tower Stack Lights, including:
- 855D 30mm Compact Control Tower Stack Lights
- Gaskets
- Mount kits
- Mounting screw washer kits
- View all 855D 30mm Compact Control Tower Stack Light accessories
- 855F 70 mm Compact Control Tower Stack Lights
- Mount kits
- Mounting screw washer kits
- Terminal chambers
- View all 855F 70 mm Compact Control Tower Stack Light accessories
- 855E 50 mm Control Tower Stack Lights
- Caps
- Gaskets
- Incandescent lamps
- Lens o-ring seals
- View all 855E 50 mm Control Tower Stack Light accessories
- 855T 70 mm Control Tower Stack Lights
- Caps
- Gaskets
- Glands
- Hole plugs
- Incandescent lamps
- Mounting screw washer kit
- Pole connection boxes
- View all 855T 70 mm Control Tower Stack Light accessories