1 How to Read these Operating Instructions
1.1.3 Abbreviations
1
SPDT
NAMUR NE37
Ampere/AMP
Alternating current
Direct current
Electromagnetic Compatibility
Hertz
Parameter
Volts
Mili
4
Single Pull Double Throw (Relay)
German recommendations, commonly used within the Chemical Industry "Realisation of Frequency
Converters Standard Terminal Strip for Variable-speed Drives"
A
AC
DC
EMC
Hz
par.
V
m
MI.33.G3.02 - VLT® is a registered Danfoss trademark
FC 300 Extended Relay Card Operating In-
structions
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