CA20TT (US91-BB) Pushbutton
The CA20TT (US91-BB) slick design has a halo illumination and is vandal resistant. Two finish options are available: turned brass inner with mirrored stainless steel outer or turned stainless steel inner with mirrored stainless steel outer.
- Halo illumination
- Meets EN81-71 cat 2
- Vandal resistant with stainless steel & brass front
- Meets B44 & California Code
Body Type

- Micro movement
- Very shallow <20mm
- High grade polycarbonate
- Vandal resistant and durable
- LED current 20mA
- Wide range of connector options
- 1 n/o contact only (other options available through a relay board)
- UL/CSA approved

- Shallow
- High grade polycarbonate
- Vandal resistant and durable
- LED current 20mA
- Spade or screw terminal
- Shunt boards for easy installation
- 2n/o, 1 n/o and 1n/c or 2n/c contacts as standard
- UL/CSA approved

- Micro movement
- Shallow, less than 20mm deep
- High grade polycarbonate
- Vandal resistant and durable
- LED current 20mA
- Spade or screw terminal
- Push in Wago connectors
- Cable size up to 0.75mm2
- 2n/o, 1 n/o and 1n/c or 2n/c contacts as standard
- UL/CSA approved
Click options above for more detail
Material Finish
Stainless/Stainless
Stainless/Brass
Illumination Colour
None
Red
Yellow
Green
Blue
White
Amber option also available
Illumination Action

- Before call acceptance – Both legend and halo are NON illuminated
- After call acceptance – Both legend and halo illuminated at FULL brightness any colour

- Before call acceptance – Both legend and halo are DIM illuminated any colour.
- After call acceptance – Both legend and halo are illuminated at FULL brightness any colour.
Note: DIM and FULL brightness are the same colour.

- Before call acceptance – Both legend and halo are DIM illuminated white.
- After call acceptance – Both legend and halo illuminated at FULL brightness with any available colour.
Note: Due to DIM colour (white) adding to FULL brightness colour. FULL colour is not quite the same as FULL Single or Dual, as colour can be slightly lighter.

- Before call acceptance – Both legend and halo are illuminated with any BACKGROUND (initial) colour.
- After call acceptance – Both legend and halo are switched to any other illuminated FULL brightness colour.
Note: BACKGROUND and FULL brightness colours, can be any available colour and different to one another.
Click options above for more detail
Product Enquiry
Product Shape |
Round |
---|---|
Product Finish |
Stainless Steel + Brass |
Body Type |
Compact 2 ,Compact 2 Micro ,Compact 3 ,Compact 3 Profile |
Illumination Colour |
None ,Red ,Amber ,Green ,Blue |
Illumination Action |
Single ,Dual ,Bicolour ,Bicolour+ |
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CA20TT (US91-BB) Pushbutton
The CA20TT (US91-BB) optic pushbutton is a modern twist on a classic – a clean timeless appearance. The illuminated Braille Tag shows clear identification and can be illuminated in a wide variety of colours. This pushbutton is available with any of our standard circular pressels be that the Belly Button (shown here), the classic US91 blank, bulls-eye or legend – the choice is yours.
US91 Bar Pushbutton
- Extra long button
- 15mm tactile legend with Braille option
- A halo of light between the pressel and surround via a patented hidden recess encircles the pressel and illuminates the legend
- Legend & halo can be constantly illuminated at half intensity, switching to full intensity for indication position or call acceptance
- Large range of pressel legends
- Matching range includes keyswitches, rocker switches and indicators
- Vandal resistant with stainless steel front
- Meets EN81-1/2, EN81-71 (Category 2), EN81-72, EN81-73, EN60529 (IP44)