Safety temperature limiter ExPro-TT connectable to actuator types Max..-BF for firedampers.
The thermoelectric safety limiter type ExPro-TT, on activation, triggers the spring return operation of an ExMax.. -BF safely moving the motorised firedamper into its safe position.
Explosion proof is warranted according ATEX 94/9/EC. Certified for for gas, vapour, mist II2G.. in zone 1 and 2, for dust II2D.. in zone 21 and 22.
Technical data:
• Supply only by ..Max-..-BF actuators from Schischek
• Connection over 1 m cable
• Response temperatures Tf1 room temperature +72°C,
Tf2 duct temperature +71°C
• Protection according EN 60529 IP66
• Ambient temperature -40…+72°C at T6
• Maintenance free
• Weight ~ 220 g
• Material V4A, core and cover brass, nickel-plated
Available from February 2010.