7
2 Identifying the instrument
2.1 Nameplate
(1) Type code (see type designation below)
(2) Limit value / ambient temperature at which this thermostat has been
calibrated (option) / permissible ambient temperature and Protection
(3) Rating
(4) Test mark
2.2 Type designation
Type
designation
2.2.1 Extra codes
Case fixing
standard central fixing
b1 2 screws M4, spaced 28 mm
b2 2 screws M3, spaced 33 mm
b3 2 screws M3, spaced 22 mm
(1)
(2)
(3)
(4)
STB 82699
EMf-80 panel-mounting thermostat with single-pole snap-action
switch,
f with capillary
(normally Form A = plain cylindrical probe)
-80 safety temperature limiter (STB)
with n.c. (break) contact and lock-out,
switching point factory-set
/U with n.c. (break) contact and lock-out,
and additional signal contact
/au switch contacts gold-plated