Thermal cut-outs are used for protection of household and heating appliances against overheating.

Acting on the basis of melting fuse which interrupts the circuit at certain temperature after this the thermal cut-out has to be replaced.

 
Basic family of safety limiter is TV 433.

 
The basic technical characteristics of the family safety limiter TV 433 are:

 -          electric diagram: single-pole
 -          rating: 10A / 250 V ~ or 16A / 250 V ~
 -          standard cut-off temperatures: 72  dgr.C; 77  dgr.C;
            84 dgr.C; 93 dgr.C; 98  dgr.C; 104 dgr.C; 110  dgr.C;
            117  dgr.C; 121  dgr.C; 128  dgr.C
 -          tolerance: - 4 dgr.C
 -          protection of melting fuse: with epoxy glue and plastic
            housing or protective sleeve

 
Other variable characteristics of safety limiters are:

 -          plastic housing: shape A (6 x 8 x 36 mm); shape B
            ( 6 x 8 x 38 mm with limited  edge )
 -          length, colour, type and wire size: by customer
            requirement
 -          connectors: by customer requirement

Safety limiters are VDE approved.