8 ST 1, STR 1
2.2 Basic specifications
Basic EA specifications:
switching-off thrust [N], operating speed [mm/min], operating stroke [mm], max. load thrust [N] and electric motor
parameters are given in Table 1.
Table 1: Basic specifications
Electric motor
2)
Nominal
Type number
Operating
speed
3)
Operating
stroke
Max. load
thrust
(STR 1 with
controller)
Max. load
thrust
32 5000 6300 6000-7500
63
1)
- 3200 3000-3700
10 7000 8700 8000-10000
20 6000 7500 6900-8600
40 4000 5000 4600-5800
ST(R) 1, type number 491
80
1)
- 2500 2300-2900
8,5 – 11,0
Single-phase/
direct current-voltage
24 AC/DC
20
2750 1,8 -
1) Valid for version without any controller.
2) Switching elements for different type of load (also for EA) defines standard EN (IEC) 60 947-4-1)
3) Anomaly of operating speed: -15% at temperatures under -10°C
± 10% at 230 V (or 3x400 V) AC
-50 up to +30% in dependence on load at 24 V AC/DC.
Additional technical data:
EA protection enclosure:......................................................................................IP67/IP 65 ((EN (IEC) 60 529))
Mechanical ruggedness:................................................................................................................see chapter 1.6
drop resistance:...............................................................................................300 drops with acceleration 5 m.s
-2
seismic resistance:...........................................................................amplitude of the shock off 6 on Richter scale
Self-locking: ..........................................................guaranteed in range from 0 % up to 100% of max. load thrust
Electric motor protection: .......................................................................................................with thermal switch
Output part backlash:....................................................................max. 0,5 mm at load of 5% of maximum thrust