Preferred
440R-S12R2
Guardmaster Single Input Safety Relay
Serial #:
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Lifecycle status:
Active
Lifecycle status:
Active
Description
Guardmaster Single Input Safety Relay (SI), 1 Dual Channel Universal Input, 1 N.C. Solid State Immediate Auxiliary Outputs
Overview
Electrical & Connectivity
General Features
Power & Electrical Characteristics
Compliance & Environment
Standards & Protection
Technical Specifications
Performance Level
Physical Characteristics
Mechanical
Construction
Drawings
Documents
Certifications
Alternative Products
Technotes
| Unique Product Identifier |
440R-S12R2
|
|---|---|
| UPC |
885630181677
|
| Estimated Lead Time |
48 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
The information provided by Rockwell Automation on www.rockwellautomation.com (the “Site”) is for demonstration purposes only and may be incomplete or inaccurate. All information is provided “as is”, and Rockwell Automation makes no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any information on the Site. Use of this information is at your own risk.
| Power Supply |
24V DC
|
|---|
| Number of outputs, safety related, undelayed, with contact |
2
|
|---|---|
| Number of outputs, safety related, delayed, with contact |
0
|
| Number of outputs, signalling function, undelayed, with contact |
0
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, safety related, delayed, semiconductors |
0
|
| Number of outputs, signalling function, undelayed, semiconductors |
1
|
| Number of outputs, signalling function, delayed, semiconductors |
0
|
| With start input |
False
|
| With muting function |
False
|
| Voltage type for actuating |
DC
|
| Rated control supply voltage at DC |
24 V
|
| Model |
Basic device
|
| Type of electric connection |
Screw connection
|
| Evaluation inputs |
One- and two-channel
|
| Power consumption |
2.5 W
|
| Continuous safety output current |
UL: C300, AC-15: 1.5 A/250V AC, DC-13: 2 A/24V DC (0.1 Hz)
|
| Wire size |
0.2 to 2.5 mm²
|
| Number of outputs, signalling function, delayed, with contact |
0
|
| With feedback circuit |
True
|
| Suitable for monitoring of magnetic switches |
True
|
| Suitable for monitoring of proximity switches |
True
|
| Suitable for monitoring of emergency-stop circuits |
True
|
| Suitable for monitoring of optoelectronic protection equipment |
True
|
| Suitable for monitoring of position switches |
True
|
| Suitable for monitoring of tactile sensors |
True
|
| Suitable for monitoring of valves |
True
|
| Surge auxillary output current duration, max |
5 ms
|
| Aggregate current of outputs per module, max |
6 A
|
| Surge safety output current duration, max |
5 ms
|
| Continuous auxiliary output current |
50 mA
|
| Surge Aux output current |
700 mA
|
| Surge safety output current, max |
1.5 A
|
| Other output |
SWS output
|
| Operating voltage |
20.4 V
|
| Safety integrity level claim limit |
3
|
|---|---|
| Safe failure fraction |
99 %
|
| Operating temperature |
-5 °C
|
| PFHd |
3.98e-09
|
| Mode of operation |
High demand mode
|
| Relative humidity |
90%
|
| Category |
Up to 4
|
| Hardware fault tolerance |
1
|
| MTTFd |
262 year
|
|---|---|
| DC avg |
99 %
|
| T cycle |
8/8.28 (h/s)
|
| Mission time |
20 year
|
| Hours of operation |
24 h
|
| Days of operation |
365 dbays
|
| Performance level |
Up to e
|
| With detachable clamps |
True
|
|---|---|
| Rated control supply voltage at AC 50 Hz |
0 V
|
| Rated control supply voltage at AC 60 Hz |
0 V
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Shock |
Shock proof, operating: 10 G, 16 ms
|
| Release-delay |
0 s
|
| Rail mounting possible |
True
|
| Mechanical life operations |
1.0E7
|
| Enclosure protection |
IP40 (NEMA 1)
|
| Height |
119.4 mm
|
|---|---|
| Width |
22.5 mm
|
| Depth |
113.6 mm
|
| Drawings | |
|---|---|
| 3-Dimensional STEP model (STP) | Download (ZIP) |
| Product Drawing | Drawing (DWG) |
| Drawings |
|---|
| 3-Dimensional STEP model (STP) Download (ZIP) |
| Product Drawing Drawing (DWG) |
Sign in to your Rockwell Automation account to view and download technical drawings.
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| General | Publication |
|---|---|
| Link to Online Catalog | -- |
| Link to Application and Wiring Diagram Brochure | SAFETY-WD001 |
| Link to Connection Diagrams | -- |
| Product Cutsheet | -- |
| Link to Application Examples Brochure | SAFETY-WD001 |
| Installation Instructions | Publication |
|---|---|
| 440r-in042_-mu-p | 440R-IN042 |
| Technical Data | Publication |
|---|---|
| 440r-td001_-en-p | 440R-TD001 |
| User Manual | Publication |
|---|---|
| 440r-um013_-en-p | 440R-UM013 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center
Search the Literature Library
This product was certified with the above certifications as of 2026-05-19. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.
Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.
Regulatory Information
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
Items Per Page:
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Overview
| Unique Product Identifier |
440R-S12R2
|
|---|---|
| UPC |
885630181677
|
| Estimated Lead Time |
48 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
The information provided by Rockwell Automation on www.rockwellautomation.com (the “Site”) is for demonstration purposes only and may be incomplete or inaccurate. All information is provided “as is”, and Rockwell Automation makes no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any information on the Site. Use of this information is at your own risk.
Electrical & Connectivity
| Power Supply |
24V DC
|
|---|
| Number of outputs, safety related, undelayed, with contact |
2
|
|---|---|
| Number of outputs, safety related, delayed, with contact |
0
|
| Number of outputs, signalling function, undelayed, with contact |
0
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, safety related, delayed, semiconductors |
0
|
| Number of outputs, signalling function, undelayed, semiconductors |
1
|
| Number of outputs, signalling function, delayed, semiconductors |
0
|
| With start input |
False
|
| With muting function |
False
|
| Voltage type for actuating |
DC
|
| Rated control supply voltage at DC |
24 V
|
| Model |
Basic device
|
| Type of electric connection |
Screw connection
|
| Evaluation inputs |
One- and two-channel
|
| Power consumption |
2.5 W
|
| Continuous safety output current |
UL: C300, AC-15: 1.5 A/250V AC, DC-13: 2 A/24V DC (0.1 Hz)
|
| Wire size |
0.2 to 2.5 mm²
|
| Number of outputs, signalling function, delayed, with contact |
0
|
| With feedback circuit |
True
|
| Suitable for monitoring of magnetic switches |
True
|
| Suitable for monitoring of proximity switches |
True
|
| Suitable for monitoring of emergency-stop circuits |
True
|
| Suitable for monitoring of optoelectronic protection equipment |
True
|
| Suitable for monitoring of position switches |
True
|
| Suitable for monitoring of tactile sensors |
True
|
| Suitable for monitoring of valves |
True
|
| Surge auxillary output current duration, max |
5 ms
|
| Aggregate current of outputs per module, max |
6 A
|
| Surge safety output current duration, max |
5 ms
|
| Continuous auxiliary output current |
50 mA
|
| Surge Aux output current |
700 mA
|
| Surge safety output current, max |
1.5 A
|
| Other output |
SWS output
|
| Operating voltage |
20.4 V
|
Compliance & Environment
| Safety integrity level claim limit |
3
|
|---|---|
| Safe failure fraction |
99 %
|
| Operating temperature |
-5 °C
|
| PFHd |
3.98e-09
|
| Mode of operation |
High demand mode
|
| Relative humidity |
90%
|
| Category |
Up to 4
|
| Hardware fault tolerance |
1
|
Technical Specifications
| MTTFd |
262 year
|
|---|---|
| DC avg |
99 %
|
| T cycle |
8/8.28 (h/s)
|
| Mission time |
20 year
|
| Hours of operation |
24 h
|
| Days of operation |
365 dbays
|
| Performance level |
Up to e
|
Physical Characteristics
| With detachable clamps |
True
|
|---|---|
| Rated control supply voltage at AC 50 Hz |
0 V
|
| Rated control supply voltage at AC 60 Hz |
0 V
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Shock |
Shock proof, operating: 10 G, 16 ms
|
| Release-delay |
0 s
|
| Rail mounting possible |
True
|
| Mechanical life operations |
1.0E7
|
| Enclosure protection |
IP40 (NEMA 1)
|
| Height |
119.4 mm
|
|---|---|
| Width |
22.5 mm
|
| Depth |
113.6 mm
|
Drawings
| Drawings | |
|---|---|
| 3-Dimensional STEP model (STP) | Download (ZIP) |
| Product Drawing | Drawing (DWG) |
| Drawings |
|---|
| 3-Dimensional STEP model (STP) Download (ZIP) |
| Product Drawing Drawing (DWG) |
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
Documents
|
Link to Online Catalog
General
-- |
|
Link to Application and Wiring Diagram Brochure
General
SAFETY-WD001 |
|
Link to Connection Diagrams
General
-- |
|
Product Cutsheet
General
-- |
|
Link to Application Examples Brochure
General
SAFETY-WD001 |
|
440r-in042_-mu-p
Installation Instructions
440R-IN042 |
|
440r-td001_-en-p
Technical Data
440R-TD001 |
|
440r-um013_-en-p
User Manual
440R-UM013 |
| General | Publication |
|---|---|
| Link to Online Catalog | -- |
| Link to Application and Wiring Diagram Brochure | SAFETY-WD001 |
| Link to Connection Diagrams | -- |
| Product Cutsheet | -- |
| Link to Application Examples Brochure | SAFETY-WD001 |
| Installation Instructions | Publication |
| 440r-in042_-mu-p | 440R-IN042 |
| Technical Data | Publication |
| 440r-td001_-en-p | 440R-TD001 |
| User Manual | Publication |
| 440r-um013_-en-p | 440R-UM013 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center
Search the Literature Library
Certifications
This product was certified with the above certifications as of 2026-05-19. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.
Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.
Regulatory Information
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
Alternative Products
Items Per Page:
Technotes
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Guardmaster Single Input Safety Relay
440R-S12R2
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Multiple countries of origin based on manufacturing location