Product Overview

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Siemens Building Technologies Electro-hydraulic actuators for valves CM1N4564E
HVAC Products 13.02.2009
Technical data
SKB32.. SKB82.. SKB6..
Power supply Operating voltage
Voltage tolerance
AC 230 V
± 15 %
AC 24 V
± 20 %
AC 24 V
–20 % / +30 %
SELV / PELV
Frequency 50 or 60 Hz
Max. Power consumption at
50 Hz
SKB32.50:
10 VA / 8 W
SKB32.51:
15 VA / 13 W
SKB82.50, ..50U
13 VA / 8 W
SKB82.51, ..51U
18 VA, 11 W
SKB62..
17 VA / 12 W
SKB60..
13 VA / 10 W
External supply cable fuse min. 0.5 A, slow
max. 6 A, slow
min. 1 A, slow
max. 10 A, slow
Signal inputs Control signal
3-position
DC 0...10 V,
DC 4...20 mA
or
0...1000 Ω
Terminal Y Voltage DC 0...10 V
Input impedance 100 kΩ
Current DC 4...20 mA
Input impedance 240 Ω
Signal resolution < 1%
Hysteresis 1 %
Terminal Z Resistor 0...1000 Ω
Override control Z not connected No function, priority
terminal Y
Z connected directly to G max. stroke 100 %
Z connected directly to G0 min. stroke 0 %
Z connected to M via 0...1000 Ω stroke proportional to R
Terminal U voltage DC 0...9,8 V ±2 % Position
feedback
load impedance > 10 kΩ
Current DC 4...19,6 mA ±2 %
load impedance < 500 Ω
Operating data Positioning time at 50 Hz
opening
SKB32.5.. 120 s SKB82.5.. 120 s
120 s
Closing
SKB32.5.. 120 s SKB82.5.. 120 s
10 s
Spring-return time (closing)
SKB32.51 10 s
SKB32.50 –
SKB82.51 10 s
SKB82.50 –
SKB60, SKB62 –
SKB62.. 10 s
Positioning force 2800 N
Nominal stroke 20 mm
Max. permissible medium
temperature
-25…220 (350) °C
< 0 °C: requires stem heater ASZ6.5
Electrical
connections
Cable entry
..U
4 x M20 (∅ 20,5 mm)
with knockouts for standard ½” conduit connectors (Ø 21.5 mm)
Norms and
standards
CE-conformity
EMC-directive 2004/108/EC
Immunity EN 61000-6-2 Industrial
Emission EN 61000-6-3 Residential
Low voltage directive 2006/95/EC
Electrical safety EN 60730-1
Product standards for
automatic electric controls
EN 60730-2-14
Protection standard
EN 60730
I III
Housing protection standard
Upright to horizontal IP54 to EN 60529