View all 856T Control Tower Stack Lights
855TC-B24E6
Surface 1/2NPT Conduit Signaling Device
Rockwell Automation announces that as of October 01, 2019, the Surface 1/2NPT Conduit Signaling Device will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date:
October 01, 2019
Replacement Category:
Functional Replacement
Replacement Product:
856TC-SNB24Y6P1
[https://www.rockwellautomation.com/en-us/products/details.856TC-SNB24Y6P1.html]
Product at a glance
Rockwell Automation announces that as of October 01, 2019, the Surface 1/2NPT Conduit Signaling Device will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date:
October 01, 2019
Replacement Category:
Functional Replacement
Replacement Product:
856TC-SNB24Y6P1
[https://www.rockwellautomation.com/en-us/products/details.856TC-SNB24Y6P1.html]
Product at a glance
| Outer diameter |
70 mm
|
|---|---|
| Degree of protection (NEMA) |
4X
|
| Degree of protection (IP) |
IP65
|
| Recommended wire size |
0.5 mm²
|
| Recommended terminal torque |
0.8 Nm
|
| Shock |
5 module stack: 35 G (surface-mount base or 10 cm aluminum pole base)
|
| Vibration |
5 module stack: 0.75 G (surface-mount base or 10 cm aluminum pole base)
|
| Decibel rating |
Piezo light modules and light modules/with sound: high 107 dB/low 95 dB, selectable via DIP switch (set at continuous or pulsing tone, determined at a distance of 1 m from the sound module)
|
| Rated operating voltage Ue |
24 V
|
|---|---|
| Voltage type for actuating |
AC/DC
|
| Sound module rating |
Level-1 sound module: 20000 h
|
| Tone frequency |
Level-1 module: preset at 2400 Hz or 3300 Hz
|
| Lamp life rating |
Level-1 LED module: 10000 h
|
| Light output |
Level-1 module, Yellow LED: 900...1800 mcd
|
| Flashing and tone pulsing frequency for steady LED/ with sound |
Level-1 module: sound pulsing frequency 1.5 Hz
|
| Voltage |
24V AC/DC full voltage
|
| Operating voltage |
24V (±10%) @ AC/DC
|
| Current consumption |
Level-1 module: 70mA @ 120V AC (Green LED, Blue LED, White LED)
|
| Network option |
Standard
|
| Leakage current impact |
Can absorb up to 3 mA of leakage current from solid-state outputs without module activation.
|
| Communication rate options |
125K, 250K, 500K, autobaud
|
| Housing color |
Black
|
|---|---|
| Base type |
Surface/1/2 in NPT conduit mount with cap
|
| Level-1 lens color |
Blue
|
| Level-2 lens color |
No module
|
| Level-3 lens color |
No module
|
| Level-4 lens color |
No module
|
| Level-5 lens color |
No module
|
| Level-5 module type |
No module
|
| Level-1 module type |
Steady LED with sound
|
| Level-2 module type |
No module
|
| Level-3 module type |
No module
|
| Level-4 module type |
No module
|
| Function continuous light |
True
|
| Operating temperature |
-25 °C
|
|---|---|
| Storage temperature |
-40 °C
|
| Materials |
Surface and vertical-mount pole connection box and magnetic mount housing: Polycarbonate
|
|---|
| General | Publication |
|---|---|
| Product Cutsheet | -- |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Search the Literature Library
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Technical Specifications
| Outer diameter |
70 mm
|
|---|---|
| Degree of protection (NEMA) |
4X
|
| Degree of protection (IP) |
IP65
|
| Recommended wire size |
0.5 mm²
|
| Recommended terminal torque |
0.8 Nm
|
| Shock |
5 module stack: 35 G (surface-mount base or 10 cm aluminum pole base)
|
| Vibration |
5 module stack: 0.75 G (surface-mount base or 10 cm aluminum pole base)
|
| Decibel rating |
Piezo light modules and light modules/with sound: high 107 dB/low 95 dB, selectable via DIP switch (set at continuous or pulsing tone, determined at a distance of 1 m from the sound module)
|
| Rated operating voltage Ue |
24 V
|
|---|---|
| Voltage type for actuating |
AC/DC
|
| Sound module rating |
Level-1 sound module: 20000 h
|
| Tone frequency |
Level-1 module: preset at 2400 Hz or 3300 Hz
|
| Lamp life rating |
Level-1 LED module: 10000 h
|
| Light output |
Level-1 module, Yellow LED: 900...1800 mcd
|
| Flashing and tone pulsing frequency for steady LED/ with sound |
Level-1 module: sound pulsing frequency 1.5 Hz
|
| Voltage |
24V AC/DC full voltage
|
| Operating voltage |
24V (±10%) @ AC/DC
|
| Current consumption |
Level-1 module: 70mA @ 120V AC (Green LED, Blue LED, White LED)
|
| Network option |
Standard
|
| Leakage current impact |
Can absorb up to 3 mA of leakage current from solid-state outputs without module activation.
|
| Communication rate options |
125K, 250K, 500K, autobaud
|
| Housing color |
Black
|
|---|---|
| Base type |
Surface/1/2 in NPT conduit mount with cap
|
| Level-1 lens color |
Blue
|
| Level-2 lens color |
No module
|
| Level-3 lens color |
No module
|
| Level-4 lens color |
No module
|
| Level-5 lens color |
No module
|
| Level-5 module type |
No module
|
| Level-1 module type |
Steady LED with sound
|
| Level-2 module type |
No module
|
| Level-3 module type |
No module
|
| Level-4 module type |
No module
|
| Function continuous light |
True
|
| Operating temperature |
-25 °C
|
|---|---|
| Storage temperature |
-40 °C
|
| Materials |
Surface and vertical-mount pole connection box and magnetic mount housing: Polycarbonate
|
|---|
Documents
|
Product Cutsheet
General
-- |
| General | Publication |
|---|---|
| Product Cutsheet | -- |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Search the Literature Library
Alternative Products
Technotes
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Copyright ©2026 Rockwell Automation, Inc.