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Safety temperature limiter
Type Item no. ADG Euro / pc.

Electromechanical safety temperature limiter STB-01 104217 02 71.40
For use in heat generators and other HVAC applications.
Intrinsically safe design. Rupture of the capillary tube causes the
contact to open. After a temperature-triggered shutdown the
sensor tube must be allowed to cool down by ca. 25 ± 5 K before
manual reset becomes possible.
There are various installation options: direct mounting on the
immersion sleeve, raised mounting, mounting on the pipe or in the
air duct.
If it is to be installed directly on the immersion sleeve, the safety
temperature limiter (STB) / temperature monitor (TW) must be
fastened on the immersion sleeve fitting. Immersion sleeves and
mounting hardware are not included in the scope of delivery.
Accessories are listed on pages 92 and 93. Immersion sleeves
TH should be selected from those listed under Accessories STB / TW
to ensure conformity to the requirements of EN 14597.

Protection type: IP 66
Setting range: 90 – 110 °C
Length of capillary tube: approx. 1 m
Electrical changeover contact:
Break contact 2,5 ... 10 A / 40 ... 250 V AC
Closing contact 0,5 A / 40 ... 250 V AC
Connection: screw terminals
Cable grommet: M20
Permiss. amb. cond.: 0 – 70 °C, 0 – 95 % RH
(non-condensing)
Dimensions (W x H x D): approx. 70 x 110 x 70 mm
Data sheet no. 20680

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