Magnetic-proximity sensors suit harsh environments
A ZF Electronics product story
Edited by the Electronicstalk editorial team Dec 18, 2009
ZF Electronics has launched a range of Cherry magnetic-proximity sensors that are suitable for rigorous environments, including extremes of temperature, humidity, thermal shock and vibration.
The Cherry MP2007 reed-based magnetic-position sensors have aluminium-threaded housings with hermetically sealed contacts for extra durability.
Featuring zero power consumption, the three MP2007 sensors are suitable for AC and DC circuits and are RoHS compliant.
MP200710, SPST-NO has a maximum power rating of 10W and maximum switching current is 0.5A; electrical specifications for MP200702 (SPST-NC) and MP200703 (SPDT-CO) are a power rating of 3W maximum; switching voltage of 30V AC/30V DC and maximum switching current of 0.2A.
These series sensors operate over a temperature range of -40 to 105C.
For applications requiring resistance to moisture and dirt, Cherry's MP2017 series magnetic sensors in a smooth cylindrical plastic housing provide hermetically sealed contacts for long life.
They are available in a variety of standard contact configurations and feature zero power consumption.
There are three different specifications available in the MP2017 series: two single-pole, single-throw sensors and one single-pole, double throw.
MP201701 (SPST-NO) is suitable for maximum switching voltages of 100V AC/100V DC and has a power rating of 10W maximum.
MP201702 (SPST-NC) and MP201703 (SPDT-CO) sensors have identical electrical specifications of 3W maximum and 0.2A maximum switching current.
Cherry also manufactures a standard magnetic actuator in the same housing.
OEM manufacturers who require a reed sensor in a plastic flange-mount housing can choose between Cherry's MP2018 and MP2019 series.
MP2018 sensors are available in two different specifications: MP201801 is an SPST-NO sensor suitable for applications requiring a power rating of 10W maximum, with maximum switching voltages of 100V AC or 100V DC; while the MP201802 is an SPST-NC sensor suitable for lower-rated applications up to 3W maximum and maximum switching voltage of 30V, AC or DC.
MP2019 series magnetic sensors are suited to extreme environments.
Two single-pole versions are available, MP201901 for switching voltages up to 100V AC/100V DC with a 10W maximum power rating and MP201902, which is suitable for switching currents up to 0.2A maximum, maximum power rating 3W.
The double-throw variant is MP201903, with the same electrical specification.
As digital Hall-effect position sensors in a plastic flange-mount housing, Cherry's MP1021 series provide output stability over an operating temperature range of -40 to 85C.
This series meets IEC529 IP67 for dust and water protection and is compatible with an unregulated power supply.
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