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IMO iSmart V4 - Inductance Load; Life of Relay

IMO iSmart V4
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Chapter 7 Hardware Specification 199
Inductance Load
There will be a surging voltage (KV) when the inductance load switches between ON and OFF, especially for
the relay model. The methods to different power mode to absorb the surging voltage are shown below.
a. AC
power
CR absorbing
b. DC
power
flywheel diode
Please do note use capacitance alone as absorbing as shown below.
Life of relay
The data of picture above is standard, but the life of relay is influenced by the temperature of operation
environmental.
The life is more than 100K times if the current is less than 2A.
Power mode
Mode
Input/Output
DC +12V
AC 100~240V / DC +12V
DC +24V
AC 100~240V / DC +24V

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