Samson Electri Actuator Type 3374 EB 8331-1 EN - Manual (Page 6)

1.2 Technical data
6
EB 8331-1 EN
Design and principle of operation
Actuator Type 3374 -10 -11 -15 -21 -26 -31 -36
Version with Yoke Ring nut Yoke Ring nut Yoke Ring nut
Fail-safe action Without Stem extends Stem retracts
Rated travel mm 30 15 30 15
Transit time for
rated travel 3) s
240/120 120/60 240/120 120/60
Transit time in case of fail-safe
action s
– 12
Actuating force
2.5 kN
Stem extends or retracts
2 kN
Stem extends
0.5 kN
Stem retracts
Power supply
207 V to 253 V, 50 Hz · 90 V to 121 V, 60 Hz
21.6 V to 27.6 V, 50 Hz
Power consumption VA
Without positioner
With positioner
7.5/13
9.5/15
10.5/16
12.5/18
Motor switch-off Torque-dependent
Ambient temperature range 5 to 60 °C
Storage temperature range –20 to +70 °C
Degree of protection IP 54 according to EN 60529, (IP 65 with cable glands 1) )
Suspended mounting position not approved
Overvoltage category II according to EN 60664
Design and inspection EN 61010 Edition 3.94
Class of protection II according to EN 61140
Electromagnetic compatibility According to EN 61000-6-2, EN 61000-6-3 and EN 61326
Manual override Using hex wrench · Adjustment not possible after fail-safe action has been triggered
Manual adjustment of actuators with fail-safe action only possible when power
supply is connected (see also section 4.1)
Weight, approx. kg 3.2 3.3 3.9 4.0 3.5 3.6
Materials Housing and cover made of plastic (PPO glass fiber reinforced)
Additional electrical equipment
Limit contact
Two travel-dependent, adjustable limit contacts, perm. load 250 V AC; 3A
Resistance transmitter 2) 0 to 1000 W , (0 to 900 W at rated travel) max. permissible current 1 mA
1) Cable glands M20 x 1.5 with metal nut, width across flats 23/24 mm
2) Not for version with positioner
3) Half the transit time possible for actuators with 50 Hz mains frequency