Master Photo: CSA-PWS2S-JBOX-ZUMLINK-CN, Front
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CSA-PWS2S-JBOX-ZUMLINK-CN

Two-Motor J-Box Mounted Power Supply for Motorized Shading Solutions

Plenum-rated power supply designed for Cresnet® network shade and Zūm® lighting devices.

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The CSA‑PWS2S‑JBOX‑ZUMLINK‑CN is a plenum-rated power supply designed for Crestron shade and Zūm® lighting devices. It features dual outputs for shades or Cresnet devices. This power supply is engineered to be hardwired into a standard 4 in. x 4 in junction box, providing seamless and secure installation.

Digital Quiet Motor Technology
Quiet Motor Technology allows for nearly inaudible operation while providing precise control of shade movement. Digital QMT® shade motors also keep track of the shade's position which allows the shade to be programmatically adjusted to the user's desired position.

Cresnet® Wired Communications (-CN Motors)
Cresnet wired communication provides dependable two-way communication with a control system. The Cresnet bus offers easy wiring and configuration, carrying bidirectional communication and 24VDC power to each device over a simple 4‑conductor cable.

 
Key Features
  • Power supply for up to two Crestron QMT series roller shades or drapery system motors
  • Allows external power to pass through two Cresnet or two Zūm Link connections
  • Zūm Link ports for commercial lighting applications utilizing custom programming
  • 100 W total, 50 W per shade, 24V
  • Individual per-motor overcurrent protection
  • Miswire protection on power output terminals
  •  Anodized, black metal housing to blend with open ceilings
  • LEDs to indicate power status for each shade


NOTES:

  • The CSA‑PWS2S‑JBOX‑ZUMLINK‑CN must be installed by a licensed electrician and comply with local building codes.
  • Outputs can be used for either shades or additional Cresnet devices. Do not combine shades and Cresnet devices on a single output. Each shade or device must have its own dedicated output.
  • To configure shades or order shading parts and accessories, please use the Crestron Design Tool for Crestron Shading Solutions or call 1‑855‑53‑S‑H‑A‑D‑E (537‑4233) for support.

The original language version of this document is U.S. English.

All other languages are a translation of the original document.

This product may be purchased from select authorized Crestron dealers and distributors. To find a dealer or distributor, please contact the Crestron sales representative for your area. A list of sales representatives is available online at www.crestron.com/How-To-Buy/Find-a-Representative or contact us for additional information by visiting www.crestron.com/contact/our-locations for your local contact.

The product warranty can be found at www.crestron.com/warranty.

The specific patents that cover Crestron products are listed online at www.crestron.com/legal/patents.

Certain Crestron products contain open source software. For specific information, please visit www.crestron.com/opensource.

Crestron, the Crestron logo, Cresnet, QMT, and Zūm are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Intertek is either a trademark or registered trademark of Intertek Group in the United States and/or other countries. UL is either a trademark or registered trademark of UL LLC in the United States and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography. Specifications are subject to change without notice. ©2025 Crestron Electronics, Inc.

 
Power Requirements
AC Input Power 100-240VAC, 50-60 Hz
Input Current 1A at 120VAC, 0.53A at 240VAC;
Measured at full rated output
Maximum Output Rating 100 W (4.2A) @24VDC total, LPS;
50 W (2.1A) @24VDC per output, LPS;
75 W @24VDC total (continuous load) for additional Cresnet devices
Ripple/Noise <0.5%
Efficiency > 85%
Motor Support Provides power for up to two motors with each motor homerun to the power supply;

Supports two Crestron roller shade motors, two drapery motors, or a combination of both;

Carries 145 lbs per load
Wired Communications
Zūm Link (2) RJ‑45 ports
Cresnet (2) 4-pin 3.5 mm detachable terminal blocks
Indicators
24VDC (2) Green LEDs, indicate the presence of 24VDC on its respective shade output
Connections
Line (1) 18 AWG Class 1 flying lead; Black, line power input
Neutral (1) 18 AWG Class 1 flying lead; White, neutral
Ground (1) 16 AWG Class 1 flying lead; Green, ground
Shade Outputs (2) 4-pin 5mm detachable terminal blocks;
Independent Cresnet power output ports with polarity-sensitive terminals, supporting a maximum load of 50 W per output
CRESNET (2) 4-pin 3.5 mm detachable terminal blocks, paralleled. Provides power and communication pass-through for Cresnet products. Maximum wire size: 14 AWG (1.5 mm2)
ZUMLINK (2) RJ-45 ports for in-room Zūm Link device daisy-chaining. Passes through data from either the Cresnet ports or the Zūm Link ports
Environmental
Indoor use only
Temperature 32° to 104°F (0° to 40°C)
Humidity 10% to 90% RH (noncondensing)
Heat Dissipation 19 BTU/hr @ 120VAC input and 1A on each output;

34 BTU/hr @ 120VAC input and 2A on each output;

45 BTU/hr @ 240VAC input and 1A on each output;

58 BTU/hr @ 240VAC input and 2A on each output;
Construction
Housing Anodized Black, metal
Mounting Mounts using screws on the back of the enclosure. Meets UL 2043 requirements for installation in an environmental air-handling (plenum) space
Dimensions
Height 4.00 in. (102 mm)
Width 4.16 in. (106 mm)
Depth 2.18 in. (55 mm)
Weight
22 oz (635 g)
Compliance
Regulatory Model: M202237001
ETL® Listed for US & Canada, IC, FCC Part 15 Class B digital device, Conforms to UL 2043
Click here to search product certificates.

The original language version of this document is U.S. English.

All other languages are a translation of the original document.

This product may be purchased from select authorized Crestron dealers and distributors. To find a dealer or distributor, please contact the Crestron sales representative for your area. A list of sales representatives is available online at www.crestron.com/How-To-Buy/Find-a-Representative or contact us for additional information by visiting www.crestron.com/contact/our-locations for your local contact.

The product warranty can be found at www.crestron.com/warranty.

The specific patents that cover Crestron products are listed online at www.crestron.com/legal/patents.

Certain Crestron products contain open source software. For specific information, please visit www.crestron.com/opensource.

Crestron, the Crestron logo, Cresnet, QMT, and Zūm are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Intertek is either a trademark or registered trademark of Intertek Group in the United States and/or other countries. UL is either a trademark or registered trademark of UL LLC in the United States and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography. Specifications are subject to change without notice. ©2025 Crestron Electronics, Inc.

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