NRDVX24-SR-T-SI - Short-stroke valve for Siemens 500 N, 140 s, 5.5 mm
Short-stroke actuator for Siemens
500 N, 140 s, 5.5 mm,
AC/DC 24 V, modulating
Control DC 0...10 V, modulating
Operating range DC 2...10 V, 0...10 V selectable
Position feedback DC 2...10 V, 0...10 V, selectable
Connection Screw terminals
Utilisation for converting and retro-fitting of valves
Features
Simple direct mounting Straightforward direct mounting on the valve with only one knurled nut.
Manual operationManual operation possible by lever (temporary disengagement of the gearing latch by pressing, permanent disengagement by means of the rotary knob on the housing).
Functional reliability The actuator is overload-proof and automatically stops when the end stops are reached.
Electrical data Nominal voltage AC 24 V, 50/60 Hz / DC 24 V
Power supply range AC 19.2 ... 28.8 V / DC 21.6 ... 28.8 V
Power consumption In operation
For wire sizing
1.5 W at nominal torque
2.5 VA
Connection Terminals 4 mm2 (cable Ø 6 ... 8 mm, three-core)
Parallel connection Yes (Note performance data for supply!)
Functional data Actuation force 500 N
Control Control signal Y
Operating range
DC 0 ... 10 V, Input resistance 100 k�
DC 2 ... 10 V for 0 ... 90°
(can be switched to DC 0 ... 10 V)
Position response (measuring voltage U) DC 2 ... 10 V, max. 1 mA, for 0 ... 90° )
(can be switched to DC 0 ... 10 V)
Position accuracy ±5%
Manual override Temporary and permanent disengagement
of the gearing latch by means of the rotary knob
on the housing
Nominal stroke 5.5 mm
Running time 140 s / 5.5 mm
Sound power level Max. 35 dB (A)
Position indication Scale plate 0 ... 1
Safety Protection class III Extra low voltage
Degree of protection IP40
EMC CE according to 2004/108/EC
Mode of operation Type 1 (to EN 60730-1)
Rated impulse voltage 0.8 kV (to EN 60730-1)
Control pollution degree 3 (to EN 60730-1)
Ambient temperature range 0 ... +50°C
Media temperature +5 ... +100°C (in valve)
Non-operating temperature –30 ... +80°C
Ambient humidity range 95% r.H., non-condensating (to EN 60730-1)
Maintenance Maintenance-free
Dimensions / Weight Dimensions See «Dimensions» on page 2
Weight Approx. 500 g
