SMS SenTRI, Data And Installation Instructions, Page: 48 / 52

SenTRI Interfaces
Keyswitch
SEN-INT-KEY Keyswitch interface (Blue)
Low voltage range
SEN-INT-INPUT SenTRI 1-Input Interface module (low voltage)
SEN-INT-OUTPUT SenTRI 1-Output & 1-Input Interface module (low voltage)
SEN-INT-4IO SenTRI 4-Input / Output Interface module (low voltage)
Options
The above interface modules can be mounted in any of the following optional enclosure and on a DIN rail mount bracket.
SEN-490
SenTRI Plastic box
SEN-492 SenTRI Metal box
SEN-491 SenTRI DIN rail mount bracket (pack of 5)
Medium voltage range
SEN-INT-ACDIN SenTRI Single Output Interface Module with DIN rail mounting (Medium Voltage)
SEN-INT-AC SenTRI Single Output Interface PCB with cover in a metal box (Medium Voltage)
Mains powered interface unit
S4-78302-02NM S4 Mains Powered Interface Unit
4- Channel mains powered interface
78301-01NM
Mains powered fire alarm interface (require batteries)
19104-52 Power relay (for mains powered interface)
(up to 4 maximum can be fitted inside the interface - supplied with base and diode unit)
Surge protection
5530440 1 x Mains, 1 x Loop & 1 x Zone/Sector suppression (enclosure has space for 1 extra loop (2 x 2817958)
5530452 1 x Mains, 1 x Network, 1 x Loop & Zone / Sector suppression (enclosure has space for 1 extra loop (2 x 2817958)
5530465 1 x Mains, 1 x Network suppression
5530478 1 x Mains suppressor
2817958 1 x Additional Loop suppressor (module only)
Replacement Plug ins
2798844 Mains suppressor
2838762 Network suppressor
2839648 Loop suppressor
2838351 Zone / Sector suppressor
Manuals
2534-235 SenTRI ONE Document Pack
Installation instructions
48