Pilz PMCtendo SZ.41/0/1/2/7/K/H/60/00 - Manual (Page 83)

Operating Manual PMCtendo SZ 
1002405-EN-03
83
10 Glossary
P
N
Rated power
Power that the device can continually output at the respective
reference point, tolerance± 5 %.
PZ Motor-poles
Q
N
Rated flow rate
Open-air flow rate of an external fan
R
U-V
Winding resistance
Winding resistance of a motor between two phases at 20°C.
t
1
Engagement time
Time between switching off the supply voltage and reaching the
nominal holding torque when the brake is engaged
t
2
Ventilation time
t
Br
Stop time
T
el
Electrical time constant
Describes the current increase of a motor at 20°C, calculated
from R
U-V
and L
U-V
.
W
max
Maximum permitted friction work up to wear limit
W
max 1/h
Maximum permitted friction work for one braking action per hour
x
Fmin
Minimum distance