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JUMO EM-2 50 to 300 C Deg Thermal Safety Switch Thermostat Temp
$149.99
BRAND NEW
JUMO EM-2
50 to 300 C Deg Resettable Thermal Safety Switch
Brief description:
Thermostats control and monitor thermal processes. EM series instruments can be supplied as temperature controllers TR, temperature monitors TW, temperature limiters TB, safety temperature monitors STW (STB) and protection temperature limiters STB. In fault condition, the STB sets the system being monitored to a safe operational state.
Panel-mounting thermostats operate on the principle of liquid expansion, with a micro- switch serving as the electrical switching device.
Switching action:
Temperature controller TR and temperature monitor TW:
When the temperature at the probe exceeds the selected setpoint, the microswitch is actuated through a mechanism and the circuit is opened or closed. When the temperature drops below the selected setpoint (by the amount of the switching differential), the micro- switch returns to its initial position.
Lock-out facility on the temperature limiter TB and protection temperature limiter
STB:
When the temperature at the probe exceeds the set limit, the circuit is opened and the miroswitch locked out mechanically. After the temperature has dropped below the critical temperature by about 10 % of the scale span (approx. 15% for a limit setting above 350°C), the microswitch can be reset manually. With limits above 120°C, the limit setting on the STB must be locked (e.g. by a seal) to prevent any shift. Self-monitoring facility on the protection temperature limiter
STB and safety temperature monitor STW (STB):
In the case of the STB and STW (STB), any failure of the measuring system, i.e. a leakage of the expansion liquid, will cause the pressure under the diaphragm to drop, thus permanently opening the circuit. Resetting is now impossible.
When the temperature at the probe drops below -20°C (approx.), the circuit will also open, but will close again automatically when the temperature rises above -10°
Panel Mount
EM Series
230V AC
1000mm Capillary
Single Pole
For more information, visit:
http://jumo.com.pl/pdf/60.2021_gb.pdf
Pick-up is from Rowville, Melbourne, Victoria.
Postage within Australia is $9.95
JUMO EM-2
50 to 300 C Deg Resettable Thermal Safety Switch
Brief description:
Thermostats control and monitor thermal processes. EM series instruments can be supplied as temperature controllers TR, temperature monitors TW, temperature limiters TB, safety temperature monitors STW (STB) and protection temperature limiters STB. In fault condition, the STB sets the system being monitored to a safe operational state.
Panel-mounting thermostats operate on the principle of liquid expansion, with a micro- switch serving as the electrical switching device.
Switching action:
Temperature controller TR and temperature monitor TW:
When the temperature at the probe exceeds the selected setpoint, the microswitch is actuated through a mechanism and the circuit is opened or closed. When the temperature drops below the selected setpoint (by the amount of the switching differential), the micro- switch returns to its initial position.
Lock-out facility on the temperature limiter TB and protection temperature limiter
STB:
When the temperature at the probe exceeds the set limit, the circuit is opened and the miroswitch locked out mechanically. After the temperature has dropped below the critical temperature by about 10 % of the scale span (approx. 15% for a limit setting above 350°C), the microswitch can be reset manually. With limits above 120°C, the limit setting on the STB must be locked (e.g. by a seal) to prevent any shift. Self-monitoring facility on the protection temperature limiter
STB and safety temperature monitor STW (STB):
In the case of the STB and STW (STB), any failure of the measuring system, i.e. a leakage of the expansion liquid, will cause the pressure under the diaphragm to drop, thus permanently opening the circuit. Resetting is now impossible.
When the temperature at the probe drops below -20°C (approx.), the circuit will also open, but will close again automatically when the temperature rises above -10°
Panel Mount
EM Series
230V AC
1000mm Capillary
Single Pole
For more information, visit:
http://jumo.com.pl/pdf/60.2021_gb.pdf
Pick-up is from Rowville, Melbourne, Victoria.
Postage within Australia is $9.95
- Date Listed:24/05/2020
- Last Edited:24/05/2020
- Condition:New
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