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
Safety function Without Stem extends Stem retracts
Rated travel mm 30 15 30/15 15
Actuating time for
rated travel s
240 120 240/120 120
Actuating time in case of
fail-safe action s
–12
Nominal thrust
2.5 kN
Stem extends or retracts
2kN
Stem extends
0.5 kN
Stem retracts
Power supply
207 V to 253 V; 50 Hz, 90 V to 127 V; 60 Hz
or 21.6 V to 27.6 V; 50 Hz (other voltages on request)
Power consumption VA
Without positioner
With positioner
7.5/13
9.5/15
10.5/16
12.5/18
Motor switch-off Torque-dependent
Rated temperature range 5 to 60 °C
Storage temperature range –20 to +70 °C
Degree of protection IP 54 according to IEC 529, (IP 65 with cable glands
1)
)
Suspended mounting position not approved
Overvoltage category II
Design and inspection EN 61010 Edition 3.94
Class of protection II
Noise immunity EN 50082 Part 2
Noise emission EN 50082 Part 1
Manual override Using hex wrench · Adjustment impossible after fail-safe action has been triggered
Manual adjustment of actuators with fail-safe action only possible when supply
voltage is applied (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 switch Two travel-dependent, adjustable limit switches, perm. load 250 V AC; 3A
Potentiometer
2)
0 to 1000
Ω
, (0 to 900
Ω
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
