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440R-EM4R2
Guardmaster Safety Relay Expand Module
Serial #:
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Lifecycle status:
Active
Description
Guardmaster Expansion Module Safety Relay (EM), Expansion Module (Single Wire Safe is only input), 1 N.C. Solid State Immediate Auxiliary Outputs
Preferred
440R-EM4R2
Guardmaster Safety Relay Expand Module
Serial #:
This product has not been verified. Please {} to confirm authenticity.
register your product
Lifecycle status:
Active
Description
Guardmaster Expansion Module Safety Relay (EM), Expansion Module (Single Wire Safe is only 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
Accessories
Alternative Products
Technotes
| Unique Product Identifier |
440R-EM4R2
|
|---|---|
| UPC |
885630102221
|
| Estimated Lead Time |
5 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
| Output |
4 Normally Open
|
|---|---|
| Power Supply |
24V DC
|
| Aggregate current of outputs per module, max |
6 A
|
|---|---|
| Continuous output current, max |
50 mA
|
| Evaluation inputs |
Other
|
| Model |
Expansion device
|
| Number of outputs, safety related, delayed, semiconductors |
0
|
| Number of outputs, safety related, delayed, with contact |
0
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, safety related, undelayed, with contact |
4
|
| Number of outputs, signalling function, delayed, semiconductors |
0
|
| Number of outputs, signalling function, delayed, with contact |
0
|
| Number of outputs, signalling function, undelayed, semiconductors |
0
|
| Number of outputs, signalling function, undelayed, with contact |
0
|
| Operating voltage |
20.4 V
|
| Other input |
SWS input
|
| Other output |
SWS output
|
| Power consumption |
3.5 W
|
| Rated control supply voltage at DC |
24 V
|
| Safety output rating |
2A @ 24V DC (0.1 Hz), DC-13 (UL: B300)
|
| Surge output current duration, max |
5 ms
|
| Surge output current, max |
700 mA
|
| Type of electric connection |
Screw connection
|
| Voltage type for actuating |
DC
|
| Wire size |
0.2 to 2.5 mm²
|
| With feedback circuit |
True
|
| With muting function |
False
|
| With start input |
False
|
| Category |
Up to 4
|
|---|---|
| Hardware fault tolerance |
1
|
| Mode of operation |
High demand mode
|
| Operating temperature |
-5 °C
|
| PFHd |
1.81 E-09
|
| Relative humidity |
90%
|
| Safe failure fraction |
99 %
|
| DC avg |
99 %
|
|---|---|
| Days of operation |
365 dbays
|
| Evaluation input |
SWS input
|
| Hours of operation |
24 h
|
| MTTFd |
190 year
|
| Mission time |
20 year
|
| Performance level |
Up to e
|
| T cycle |
8 hr/8.28 s
|
Mechanical
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Mechanical life operations |
10000000
|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
0 V
|
| Rated control supply voltage at AC 60 Hz |
0 V
|
| Release-delay |
0 s
|
| Shock |
10 g, 16 ms
|
| Vibration |
10...55 Hz, 0.35 mm
|
| With detachable clamps |
True
|
Construction
| Depth |
113.6 mm
|
|---|---|
| Height |
119.14 mm
|
| Width |
22.5 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) |
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| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Link to Application and Wiring Diagram Brochure | SAFETY-WD001 |
| Link to Application Examples Brochure | SAFETY-WD001 |
| Link to Online Catalog | -- |
| Link to Connection Diagrams | -- |
| Technical Document | -- |
| 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.
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This product was certified with the above certifications as of 2026-08-27. 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:
Items Per Page:
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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Overview
| Unique Product Identifier |
440R-EM4R2
|
|---|---|
| UPC |
885630102221
|
| Estimated Lead Time |
5 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
Electrical & Connectivity
| Output |
4 Normally Open
|
|---|---|
| Power Supply |
24V DC
|
| Aggregate current of outputs per module, max |
6 A
|
|---|---|
| Continuous output current, max |
50 mA
|
| Evaluation inputs |
Other
|
| Model |
Expansion device
|
| Number of outputs, safety related, delayed, semiconductors |
0
|
| Number of outputs, safety related, delayed, with contact |
0
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, safety related, undelayed, with contact |
4
|
| Number of outputs, signalling function, delayed, semiconductors |
0
|
| Number of outputs, signalling function, delayed, with contact |
0
|
| Number of outputs, signalling function, undelayed, semiconductors |
0
|
| Number of outputs, signalling function, undelayed, with contact |
0
|
| Operating voltage |
20.4 V
|
| Other input |
SWS input
|
| Other output |
SWS output
|
| Power consumption |
3.5 W
|
| Rated control supply voltage at DC |
24 V
|
| Safety output rating |
2A @ 24V DC (0.1 Hz), DC-13 (UL: B300)
|
| Surge output current duration, max |
5 ms
|
| Surge output current, max |
700 mA
|
| Type of electric connection |
Screw connection
|
| Voltage type for actuating |
DC
|
| Wire size |
0.2 to 2.5 mm²
|
| With feedback circuit |
True
|
| With muting function |
False
|
| With start input |
False
|
Compliance & Environment
| Category |
Up to 4
|
|---|---|
| Hardware fault tolerance |
1
|
| Mode of operation |
High demand mode
|
| Operating temperature |
-5 °C
|
| PFHd |
1.81 E-09
|
| Relative humidity |
90%
|
| Safe failure fraction |
99 %
|
Technical Specifications
| DC avg |
99 %
|
|---|---|
| Days of operation |
365 dbays
|
| Evaluation input |
SWS input
|
| Hours of operation |
24 h
|
| MTTFd |
190 year
|
| Mission time |
20 year
|
| Performance level |
Up to e
|
| T cycle |
8 hr/8.28 s
|
Physical Characteristics
Mechanical
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Mechanical life operations |
10000000
|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
0 V
|
| Rated control supply voltage at AC 60 Hz |
0 V
|
| Release-delay |
0 s
|
| Shock |
10 g, 16 ms
|
| Vibration |
10...55 Hz, 0.35 mm
|
| With detachable clamps |
True
|
Construction
| Depth |
113.6 mm
|
|---|---|
| Height |
119.14 mm
|
| Width |
22.5 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
|
Product Cutsheet
General
-- |
|
Link to Application and Wiring Diagram Brochure
General
SAFETY-WD001 |
|
Link to Application Examples Brochure
General
SAFETY-WD001 |
|
Link to Online Catalog
General
-- |
|
Link to Connection Diagrams
General
-- |
|
Technical Document
General
-- |
|
440r-um013_-en-p
User Manual
440R-UM013 |
| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Link to Application and Wiring Diagram Brochure | SAFETY-WD001 |
| Link to Application Examples Brochure | SAFETY-WD001 |
| Link to Online Catalog | -- |
| Link to Connection Diagrams | -- |
| Technical Document | -- |
| 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 2026-08-27. 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 |
Accessories
Items Per Page:
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
Multiple countries of origin based on manufacturing location
Guardmaster Safety Relay Expand Module
440R-EM4R2
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