MRC:
The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.CRLD
Nonpile-up Contact Arrangement:
1 pole, single throw, both positions maintained 1st switch unit1 pole, single throw, both positions maintained 2nd switch unit1 pole, single throw, both positions maintained 3rd switch unit1 pole, single throw, both positions maintained 4th switch unit1 pole, single throw, both positions maintained 5th switch unit1 pole, single throw, both positions maintained 6th switch unit