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Electromotoric actuator
SSC161.05U, SSC161.35U, SSC131.39U
A6V12681517_enUS_a
02/09/2023
For Powermite MT Series 2-way and 3-way globe valves
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SSC161.05U (fail-in-place), and SSC161.35U (fail-safe): Operating voltage AC/DC
24 V, modulating control signal DC 0...10 V
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SSC131.39U (fail-safe): Operating voltage AC 24 V, 3-position (floating) control
signal
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All actuators are self-calibrating to the valve stroke
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Modulating variants have position feedback signal
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Direct mounting with coupling nut, no tools required
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Manual override
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Position and actuator motion indication (LED)
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Positioning force 67 lbf (300 N)
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Parallel operation of multiple actuators possible
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Table of Contents
Related Manuals for Siemens SSC161.05U
Summary of Contents for Siemens SSC161.05U
- Page 1 SSC161.05U, SSC161.35U, SSC131.39U For Powermite MT Series 2-way and 3-way globe valves ● SSC161.05U (fail-in-place), and SSC161.35U (fail-safe): Operating voltage AC/DC 24 V, modulating control signal DC 0...10 V ● SSC131.39U (fail-safe): Operating voltage AC 24 V, 3-position (floating) control signal ●...
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Page 2: Technical Design
No voltage at Y1 or Y2: Actuator maintains its current position ● Voltage applied to both Y1 Stem moves to Y2 and Y2 (not recommended): When no power is supplied, the SSC131.39U actuator fails with the stem fully retracted. Siemens A6V12681517_enUS_a Smart Infrastructure 02/09/2023... -
Page 3: Led Indication
At DC 0 V, actuator stem is retracted, the normally closed valve is fully closed and the normally open valve is fully open. ● When no power is supplied, the SSC161.05U actuator maintains its current position and the SSC161.35U actuator fails with the stem fully retracted. - Page 4 Valves and actuators can be ordered assembled in the factory or ordered separately. For easier valve assembly, actuators ordered separately have the actuator stem fully retracted. Valve combinations Valves Combinable valves for SSC161.05U, SSC161.35U, SSC131.39U, 2-way Powermite 599 MT Series (Stainless Steel) Action Nominal Line Size...
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Page 5: Product Documentation
(3.44) 599-02041 599-02042 599-02043 0.75 (5.43) 599-02044 599-02045 – (8.6) 599-02046 – – Combinable valves for SSC161.05U, SSC161.35U, SSC131.39U, 3-way Powermite 599 MT Series Nominal Line Size Flow Rate Connection Inch Brass Trim Stainless Steel Trim (0.34) 599-02064 599-02072 0.63 (0.54) - Page 6 Related documents such as the environmental declarations, CE declarations, etc., can be downloaded from the following Internet address: www.siemens.com/bt/download Notes Engineering The actuators must be electrically connected in accordance with local regulations (see "Connection diagrams [▶ 14]”). CAUTION National safety regulations Failure to comply with national safety regulations may result in personal injury and property damage.
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Page 7: Self-Calibration
To move the actuator stem manually 1. Open the cover using a proper screwdriver. 2. Press and hold down button (a) illustrated below for at least three seconds. – The actuator ignores any control signal from the controller. Siemens A6V12681517_enUS_a Smart Infrastructure 02/09/2023... -
Page 8: Maintenance
1. Unscrew cover screw 2. Remove cover 3. Remove terminal block and connect or disconnect wire terminals. 4. Re-install the terminal block 5. Install the cover 6. Screw in the cover screw Maintenance The actuators require no maintenance. Siemens A6V12681517_enUS_a Smart Infrastructure 02/09/2023... -
Page 9: Warranty
Comply with all local and currently applicable laws and regulations. Warranty Technical data on specific applications are valid only together with Siemens products listed under "Equipment combinations". Siemens rejects any and all warranties in the event that third-party products are used. -
Page 10: Technical Data
See "Technical design [▶ 2]" Running speed (time for 5.5 mm) SSC161.05U, SSC161.35U: 5 s/mm ± 25 % (27.5 s ± 25 %) SSC131.39U: 16 s/mm ± 25 % (88 s ± 25 %) Positioning force 67 lbf (300 N ) Stroke 0.05"... - Page 11 NEMA 2 / IP20 (EN 60529) Protection class according to EN 60730 Pollution degree Overvoltage category Environmental compatibility The product environmental declaration (SSC161.05U: A5W00242127A; SSC131.39U, SSC161.35U: A5W00244689A) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).
- Page 12 Min. 700 hPa, corresponding to pressure max. 3,000 m above sea level Material Cover/base PC + ABS Connecting nut Brass Weight SSC161.05U 9.7 ounces (276 g) SSC161.35U 10.5 ounces (298 g) SSC131.39U 10.5 ounces (298 g) Siemens A6V12681517_enUS_a Smart Infrastructure...
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Page 13: Connection Terminals
Diagrams Connection terminals Connection terminals for SSC161.05U, SSC161.35U System potential (AC/DC 24 V) System neutral Control signal DC 0...10 V Feedback signal Measurement reference Connection terminals for SSC131.39U System potential (AC 24 V) System neutral Stem extends Stem retracts Siemens... -
Page 14: Connection Diagrams
Connection diagrams Connection diagrams for SSC161.05U, SSC161.35U N = Controller Y = Actuator SP, G = System potential AC/DC 24 V SN, G0 = System neutral (U) (M) Y = Control signal U = Feedback signal M = Measurement reference SN (-) Connection diagrams for SSC131.39U... -
Page 15: Revision Numbers
Dimensions mm (inch) 27.7 (4.1") (1.9") (1.1") Revision numbers Type Valid from rev. no. SSC161.05U SSC161.35U SSC131.39U Siemens A6V12681517_enUS_a Smart Infrastructure 02/09/2023... - Page 16 Issued by © Siemens Switzerland Ltd, 2023 Siemens Switzerland Ltd Technical specifications and availability subject to change without notice. Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies Document ID A6V12681517_enUS_a Edition 02/09/2023...