The TB40-1 limit controller has been type tested to DIN standards.

The TB40-1 can be used for heating and refrigeration processes. It is suitable for all thermocouple types and resistance type sensors. It is particularly designed for use in:

All applications where an over or under temperature fault condition could present fire hazard or other hazard
Heating system in buildings to DIN EN 12828
Large hot-water boilers to DIN EN 12953-6
Thermal transfer plants with organic heat transfer media to DIN 4754
Oil-fired installations to DIN 4755