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DESCRIPTION

Please read these instructions and keep them in a safe place. 

These instructions must be followed carefully to ensure  

proper operation.
The nVent RAYCHEM TraceTek TTA-SIM must be installed in 

an ordinary (non-hazardous) location. It may be used with any 

TraceTek sensing cable, point sensor and/or normally open, dry 

contact devices (float switch, pressure or vacuum switch, optical 

probe with adapter, limit switch, etc.). Up to 150 m (500 ft) of 

sensing cable can be monitored by the TTA-SIM. Contact factory 

for information regarding longer monitoring distance.
An external disconnect device and appropriate branch circuit 

protection (no more than 20 amp rating) should be provided for 

the TTA-SIM. The disconnect device should be clearly marked 

as such. Follow all national and local codes and regulations 

applicable to the installation.

INSTALLATION ITEMS (NOT SUPPLIED)

•  Wall fasteners for surface mounting (four screws)

•  TT-RS485 telemetry cable (optional)

TOOLS REQUIRED

•  Drill for making conduit / cable gland entries

•  Phillips (cross-head) screwdriver

•  Small flat-blade screwdriver

•  Small needle nose pliers (required only for device 

programming if digital communication is used)

•  Tools to mount enclosure

STORAGE

Keep the TTA-SIM modules in a dry place prior to installation. 

Avoid damage to components.

ADDITIONAL ITEMS

An agency-approved zener barrier must be used where sensing 

cable connected to the TTA-SIM will be located in Class1 Div 1 

(Zone 0 or 1 in Europe) Hazardous Locations.

PRODUCT INFORMATION

TTA-SIM-1A-120 & 

TTA-SIM-2-120

TTA-SIM-1A-230 &  

TTA-SIM-2-230

96 to 132 Vac, 50/60 Hz, 3 W

216 to 253 Vac, 50/60 Hz, 3 W

Relay contacts

Form C (SPDT), 250 Vac/30 Vdc  

at 2 Amps maximum

Installation categories 

Overvoltage Category II

Pollution Degree 2

Storage temperature

–18°C to 60°C (0°F to 140°F)

Operating temperature

0°C to 50°C (32°F to 122°F)

Enclosure

NEMA 1; IP20 

TTA-SIM

Single Channel Alarm Module Installation/Operation Instructions

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