JUMO frostTHERM-AT/-DR
Frost protection thermostat
The product monitors the temperature in ventilation and air-conditioning systems. It has a small switching differential and a high level of reproducibility. The AT version allows mounting on the wall; the DR version is suitable for DIN-rail mounting.
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Surface
temperature monitoring |
Microswitch with
snap-action system |
Easy to install
and use |
GENERAL TECHNICAL DATA |
| Versions | Safety temperature monitor (STW), safety temperature limiter (STB) |
| Switching capacity | 16 A, 230 V |
| Switching elements | Single-pole snap-action switch |
| Maximum control range/limit value | 15 °C |
| Protection type | IP40, IP65 optional |
| Areas of application | Air-conditioning and refrigeration system construction, refrigeration units, mechanical and plant engineering |
| Approvals | EAC |
| Features | Probe line available in 3 m, 6 m, and 12 m |
EM series
The devices are available as safety temperature monitors (STW) and safety temperature limiters (STB). In the event of a malfunction the STB places the system being monitored in a safe operating status. Panel-mounted thermostats operate according to the liquid expansion principle.
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Safety switch-off
at -20 °C |
Self-monitoring
in the event of a pressure drop |
Microswitch
|
AMTHF series
The devices of AMTHF series are available with 2, 3, or 4 switching steps as temperature controllers (TR) and temperature monitors (TW). The sequence contact gap of the individual switching steps in Kelvin is adjusted in a fixed manner according to customer requirements per default.
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 |
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For universal
use |
Impervious to
environmental influences |
Without auxiliary
energy |
ATH.-SE series
The devices of the ATH.-SE series are available as temperature monitors (TW), safety temperature monitors (STW), and safety temperature limiters (STB). In the event of a malfunction the STB places the system being monitored in a safe operating status.
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Impervious to
environmental influences |
Microswitch
|
Without auxiliary
energy |
