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 REGULATORY COMPLIANCE

Federal Communications Commission (FCC) Compliance Statement 

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 

(1) This device may not cause harmful interference, and (2) This device must accept any  interference 

received, including interference that may cause undesired operation. 

CAUTION

:  Changes or modifications not expressly approved by the manufacturer responsible for 

compliance could void the user’s authority to operate the equipment.

NOTE

: This equipment has been tested and found to comply with the limits for a Class B digital device, 

pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against 

harmful interference in a residential installation. This equipment generates, uses and can radiate radio 

frequency energy and if not installed and used in accordance with the instructions, may cause harmful 

interference to radio communications. However, there is no guarantee that interference will not occur in a 

particular installation. If this equipment does cause harmful interference to radio or television reception, 

which can be determined by turning the equipment off and on, the user is encouraged to try to correct the 

interference by one or more of the following measures:
  •  Reorient or relocate the receiving antenna
  •  Increase separation between the equipment and the receiver
  •  Connect the equipment into an outlet on a circuit different from that to which the receiver is 

connected

  •  Consult the dealer or an experienced radio/TV technician for help

Industry Canada (IC) Compliance Statement

Operation is subject to the following two conditions:
  •  This device may not cause interference, and
  •  This device may accept any interference, including interference that may cause undesired operation 

of the device.

This product is Listed to applicable 

UL Standards and requirements by 

Underwriters Laboratories Inc.

Crestron Electronics, Inc.

 

Operations & Installation Guide - DOC. 7360C

15 Volvo Drive   Rockleigh, NJ 07647 

(2033190)

Tel: 888.CRESTRON 

03.13

Fax: 201.767.7576  

Specifications subject to 

www.crestron.com 

change without notice.

Further Inquiries

To locate specific information or resolve questions after reviewing this guide, contact Crestron's True Blue Support at 

1-888-CRESTRON [1-888-273-7876] or refer to the listing of Crestron worldwide offices on the Crestron Web site 

(www.crestron.com/offices) for assistance within a particular geographic region.

To post a question about Crestron products, log onto the online help section of the Crestron Web site 

(www.crestron.com/onlinehelp). First-time users must establish a user account to fully benefit from all available 

features.

Future Updates

As Crestron improves functions, adds new features and extends the capabilities of the CSA-PWS225 and 

CSA-PWS450, additional information may be made available as manual updates. These updates are solely 

electronic and serve as intermediary supplements prior to the release of a complete technical documentation 

revision.
Check the Crestron Web site periodically for manual update availability and its relevance. Updates are identified as 

an “Addendum” in the Download column.

WARNING: 

To avoid fire, shock, or death; turn off power at circuit breaker or fuse and test that power is off before 

wiring!

 

NOTES: 

Install and use in accordance with appropraite electrical codes and regulations.

Crestron CSA-PWS225 & CSA-PWS450

Power Supply for Crestron

®

 QMT Motors

Operations & Installation Guide

Physical Description

This section provides information on the dimensions for the CSA-PWS225/450.

CSA-PWS225 Overall Dimensions 

Specifications

Specifications for the CSA-PWS225/450 are listed in the following table.

CSA-PWS225/450 Specifications

CSA-PWS450 Overall Dimensions 

 DESCRIPTION

The CSA-PWS225 and CSA-PWS450 power supplies are designed for use with Crestron

®

 

QMT motors (sold separately) and other standard Cresnet

®

 products.

For simplicity in this guide the CSA-PWS225 and CSA-PWS450 shall be referred to as the 

CSA-PWS225/450, except where noted.

(4) Ø 3/16 in

(Ø 6 mm)

Mounting Holes for #10 or 

#8 Screws (not supplied)

(4) Ø 7/16 in

(Ø 12 mm) Typ

7 1/2 in

(191 mm)

9/16 in

(16 mm)

9 7/8 in

(252 mm)

10 7/8 in

(277 mm)

5/16 in

(8 mm) Typ

9 13/16 in

(249 mm)

1/2 in

(13 mm) Typ

8 7/16 in

(214 mm)

5 3/8 in

(136 mm)

9/16 in

(15 mm)

5 7/16 in

(139 mm)

4 Removable Plugs 

for Field Wiring

4 Removable 

Plugs for Field 

Wiring

12 7/16 in

(317 mm)

5 3/8 in

(136 mm)

9/16 in

(15 mm)

5 7/16 in

(139 mm)

7 1/2 in

(191 mm)

1/2 in

(13 mm) Typ

13/16 in

(21 mm)

13 7/8 in

(354 mm)

14 7/8 in

(379 mm)

5/16 in

(8 mm) Typ

10 3/16 in

(259 mm)

(4) Ø 3/16 in

(Ø 6 mm)

Mounting Holes for #10 

or #8 Screws (Not 

Supplied)

(4) Ø 7/16 in

(Ø 12 mm) Typ

SPECIFICATION 

DETAILS 

Line Power 

100-120 Vac, 50/60 Hz; 
Nema 5-15P line cord attached for 120 Vac input; 

Load Rating 
 

CSA-PWS225 

 

 

Per Segment 

 

 

Total Load Rating 

 
 
75 Watts @ 24 Vdc 
225 Watts (75 W x 3 segments) @ 24Vdc; 
Powers up to 6 QMT motors (sold separately) 

 

CSA-PWS450 

 

 

Per Segment 

 

 

Total Load Rating 

 
75 Watts @ 24 Vdc 
450 Watts (75 W x 6 segments) @ 24Vdc; 
Powers up to 12 QMT motors (sold separately) 

Load Protection 

Each segment is protected by a self resetting 

thermal fuse and a replaceable 4 A slow-blow fuse 

Enclosure 

Wall mount, steel; 

Indoor use only 

Connections 
 

Cresnet 

 
(2) 4-pin detachable terminal blocks; Cresnet slave 

ports, paralleled; Connect to Cresnet control 

network, power not supplied to these connections  
Cresnet power output ports with data pass-through 

 

Segment A-C 

(CSA-PWS225 only) 

(6) 4-pin detachable terminal blocks comprising (2) 

paralleled Cresnet ports per each of (3) output 

segments; 24 Vdc power outputs 

 

Segment A-F 

(CSA-PWS450 only) 

(12) 4-pin detachable terminal blocks comprising (2) 

paralleled Cresnet ports per each of (6) output 

segments; 24 Vdc power outputs 

Wire 

Connectors accept Cresnet or Cresnet-HP wire  

(12 AWG max) 

Dimensions 
 

CSA-PWS225 

 

 

Height 

 

 

Width 

 

 

Depth 

 

CSA-PWS450 

 

 

Height 

 

 

Width 

 

 

Depth 

 
 
9 13/16 in (249 mm) 
10 7/8 in (277 mm) 
5 7/16 in (139 mm) 
 
10 3/16 in (259 mm) 
14 7/8 in (379 mm) 
5 7/16 in (139 mm) 

Weight 
 

CSA-PWS225 

 

CSA-PWS450 

 
8 lb (4 kg) 
15 lb (7 kg) 

 

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