Agromatic ESR-NK Series, Installation And Operating Manual, Page: 25 / 98

3 Product description 3.4 Technical data
Actuators NK and VK, Position Controller ESR-NK 19
3.4.5 Functional data
Torques, positioning forces and positioning ranges
NK Torque: 2 to 15Nm
Positioning times: 0.8s/90° to 120s/90°
Swivel range: max. 300°
VK Positioning force: up to 1,000N
Stroke: max. 20mm
(Positioning times on request)
Important information!
The torques and positioning forces specified above are nominal values.
They are reached when the supply voltage corresponds to the rated volt-
age.
–
In some cases, the actual torque may be higher than the rated torque!
–
In some cases, the actual positioning force may be higher than the
rated positioning force!
Gearbox
Maintenance-free steel spur gearing
Installation position
NK Any orientation
VK Prescribed installation positions
(see Fig. 5.3
“Series VK – installation positions” )
Switches
−
Switch function: changeover switch (NC/NO contact)
−
Switching capacity: max. 2.5A, 250V AC
Switches with gold-plated contacts are available for small switching loads and
low voltages.
Important information!
Limit switches and auxiliary switches are not suitable as signal encoders
for safety-related controls!