Samson 5857, Монтаж и эксплуатация, Страница: 18 / 80

3-4 EB 5857 EN
Design and principle of operation
3.2 Technical data
Table 3-1: Technical data · Type 5857
Type 5857 Actuator Version Three-step With digital positioner
Connection to valve Force-locking
Rated travel 6 mm
Transit time for rated travel 20 s 30/ 20 1) /10 s
Stroking speed 0.3 mm/s 0.2/ 0.3 1) /0.55 mm/s
Thrust 300 N
Supply voltage
230 V (±10 %), 50 Hz
24 V (±10 %), 50 Hz
24 V (±10 %), 50 Hz, 60 Hz and DC 2)
Power consumption Approx. 3 VA 5 VA
Manual override Yes
Permissible temperature ranges
Ambient 0 to 50 °C
Storage –20 to +70 °C
Process medium 3) 0 to 120 °C
Degree of protection IP 42 according to EN 60529
Class of protection II according to EN 61140
Device safety According to EN 61010-1
Noise immunity According to EN 61000-6-2 and EN 61326-1
Noise emission According to EN 61000-6-3 and EN 61326-1
Conformity
·
Weight Approx. 0.7 kg
Digital positioner
Input signal
–
0 to 10 V
1)
, R
i
= 20 kΩ
Position feedback (output signal) 0 to 10 V
1)
, R
B
= 1 kΩ
Characteristic
Linear 1) , equal percentage, reverse
equal percentage, user-defined
1)
Default setting
2)
10 s applies to 24 V DC (0 %, +10 %) for Transit time for rated travel setting.
3)
The permissible medium temperature depends on the valve on which the electric actuator is mount-
ed. The limits in the valve documentation apply.