Surface-mounted double thermostat
ATH series
Surface-mounted double thermostats of the ATH series consist of 2 separate measuring and switching systems. The devices are available as temperature controllers (TR), temperature limiters (TB), temperature monitors (TW), safety temperature monitors (STW), and safety temperature limiters (STB).
 |
 |
 |
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Safety switch-off
at -20 °C |
Self-monitoring in
the event of a pressure drop |
2 separate
measuring and switching systems |
GENERAL TECHNICAL DATA |
| Versions | Temperature controller (TR), temperature monitor (TW), safety temperature monitor (STW), safety temperature limiter (STB) |
| Switching capacity | 10 A, 230 V |
| Switching elements | Single-pole snap-action switch |
| Maximum control range/limit value | 500 °C |
| Areas of application | Heating industry, air-conditioning industry, general mechanical engineering |
| Protection type | IP54; IP65 (type 603035) |
| Approvals | DIN, (PED, EAC; type 603021, 603026) |
| Features | Double thermostat |
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.
|
 |
 |
|
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.
|
|
|
|
Impervious to
environmental influences |
Microswitch
|
Without auxiliary
energy |
