4. TECHNICAL SPECIFICATIONS
Feeding voltage
Actuators feeding voltage:
MODACT MON, MOP: 3 x 230 / 400 V, +10 %, -15 %, 50 Hz, ±2 %
3 x 220 / 380 V, +10 %, -15 %, 50 Hz +3 % -5 %
MODACT MONJ:
1 x 230 V, +10 %, -15 %, 50 Hz, ±2 %
1 x 220 V, +10 %, -15 %, 50 Hz +3 % -5 %
Upon agreement with supplier, actuators can be supplied also to comply with another feeding voltage and
frequency. More details can be found in Technical Conditions.
Ingress protection
Ingress protection of actuators:
MODACT MON, (MODACT MON Control), MODACT MONJ – IP 55
MODACT MOP (MODACT MOP Control) – IP 67
Noise
Sound pressure level A
max. 85 dB (A)
Sound power level A
max. 95 dB (A)
Tripping torque
Tripping torque is set up by manufacturer as per customer’s requirement pursuant to Version Table 1 or 2. If tripping
torque adjustment is not required, maximum value of tripping torque is set up.
Breakaway torque
Breakaway torque is a calculated value, determined by electric motor’s breakaway torque, actuator's total ratio and
effectiveness. Actuator can produce breakaway torque after run reversing operation for 1 to 2 revolutions of the output shaft,
while torque tripping is interlocked. This may occur either in end position or in any optional intermediate position.
Self-locking function
Actuator is self-locking provided that load acts against the motion of the actuator's output shaft. Self-locking function
is provided by a roller lock, which immobilizes actuator’s rotor even in case of manual operation.
With respect to safety regulations, it is unacceptable to apply actuators for operating transport lifting equipment with
possible transport of persons, or for equipment where persons may be present below the lifted load.
Rotation direction
When looking at the input shaft from the control box, “closing” direction is equal to clockwise rotation direction.
Working stroke
Working stroke is specified in Table 1 or 2.
Raising spindle
Actuators with A and C-shape installation dimensions can be adjusted to install actuator on valve with raising spindle, which
overreaches the top end of the actuator output shaft in the valve’s end position. Room for raising spindle of valve is obvious from
dimensional sketches. When necessary, operator may install a protective cylindrical cover for raising spindle, replacing the cover
of openings in the control box. Protective cover for raising spindle is not included in the scope of actuator delivery.
Manual operation
Manual operation is carried out by hand wheel directly
(without clutch)
and can take place also while the electric
motor is running
(output shaft motion is determined by the differential gear’s function).
When rotating the hand wheel
in clockwise direction, the actuator’s output shaft also rotates in clockwise direction
(looking at the shaft into the control
box).
If the valve nut has a left-hand thread, the actuator will close the valve.
Torque values in actuators are set up and work if the actuator is energized.
If manual operation is used i.e. if actuator is operated mechanically, the torque set up will not work and valve
may be damaged.
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