Electric Actuator
The main technical parameters
① In put signal: 4-20m A Impedance 250Ω
② Deadline:0.3~ 3 % Continuously adjustable.
③ Input passage: One for the analogue current input and one for the on-off input.
④ Output signal : 4 20m A DC impedance ≦500
⑤ The input passage and the output passage are isolated.
⑥ Basic error: ≦± 1.5 % ⑦ Deviation ≦1%
⑧ Damping characteristic: No- oscillating (Zero Periodic oscillation).
⑨ Protecting class: IP67
⑩ Operating environment: Temperature: -25 ℃ ＋70℃ humidity ≦95% Power supply: Single phase: 220V~± 10 % 50Hz; Three-phase:380V~± 10 % 50H z
Freya Electric actuator
Thickened valve body, high hardness, strong toughness, high pressure resistance, strong compression and crack resistance
Models and specifications of SAQ quarter-turn electric actuator
SR series products are composted of SA,SAL products. The major characteristic of SR series electric actuator is the hand wheel electric operating priority function.
Check the function of over-torque protection
When the actuator turns to the opened or closed directions,manually push the corresponding torque limit switches, the over-torque protecting circuit should be in action, the actuator stops turning. Only the actuator turns to the reverse direction or the power supply is shut down, the lock of the protecting circuit can be automatically removed.If it is not in action,please check the wiring. Change the turning directions of the actuator The turning directions of the remote model actuator has been adjusted that Nl is wired, for turning the clockwise direction,N2 is wired for turning to the counter clockwise direction.
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