Preferred
440R-M23143
Guardmaster MSR138DP Safety Relay
Serial #:
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Lifecycle status:
Active
Description
Monitoring Safety Relays w/ Delayed Outputs - MSR138DP, 3 N.O. Delayed Safety Outputs, 0.15 to 3 seconds Delayed Timing, 24V AC/DC
Preferred
440R-M23143
Guardmaster MSR138DP Safety Relay
Serial #:
This product has not been verified. Please {} to confirm authenticity.
register your product
Lifecycle status:
Active
Description
Monitoring Safety Relays w/ Delayed Outputs - MSR138DP, 3 N.O. Delayed Safety Outputs, 0.15 to 3 seconds Delayed Timing, 24V AC/DC
Overview
Electrical & Connectivity
General Features
Power & Electrical Characteristics
Relays & Control Outputs
Compliance & Environment
Standards & Protection
Technical Specifications
Performance Level
Physical Characteristics
Mechanical
Construction
Drawings
Documents
Certifications
Accessories
Alternative Products
Technotes
| Unique Product Identifier |
440R-M23143
|
|---|---|
| UPC |
611320826753
|
| Estimated Lead Time |
5 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
| Reset |
Automatic/Manual Monitored
|
|---|---|
| Sub Brand |
Guardmaster
|
| Continuous safety output current |
UL: B300 , 5 A/250V AC @ 24V DC , AC-15: 6 A/250V AC, DC-13: 3 A/24V DC
|
|---|---|
| Electrical life cycle |
100.000 (220V AC/4 A/880VA cosφ = 0.35), 500.000 (220V AC/1.7 A/375VA cosφ = 0.6), 1.000.000 (30V DC/2 A/60 W), 2.000.000 (10V DC/0.01 A/0.1 W)
|
| Evaluation inputs |
One- and two-channel
|
| Fuses output |
External: 6 A slow blow or 10 A quick blow
|
| Input resistance, max |
135 ohm
|
| Input simultaneity |
Infinite
|
| Model |
Basic device
|
| Number of outputs, safety related, delayed, semiconductors |
0
|
| Number of outputs, safety related, delayed, with contact |
3
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, safety related, undelayed, with contact |
2
|
| 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 range |
20.4
|
| Power ON delay |
1 ms
|
| Power consumption |
4 W
|
| Rated control supply voltage at DC |
24 V
|
| Rated impulse withstand voltage |
2500 V
|
| Rated thermal current (Ith) |
7 A maximum in one current path (non-switching)
|
| Safety inputs |
1 N.C., 2 N.C., light curtain
|
| Suitable for monitoring of emergency-stop circuits |
True
|
| Suitable for monitoring of magnetic switches |
True
|
| Suitable for monitoring of optoelectronic protection equipment |
True
|
| Suitable for monitoring of position switches |
True
|
| Suitable for monitoring of proximity switches |
True
|
| Suitable for monitoring of tactile sensors |
True
|
| Suitable for monitoring of valves |
True
|
| Switching current, min |
10 mA
|
| Switching voltage, min |
10 V
|
| Terminal type |
Removable
|
| Type of electric connection |
Screw connection
|
| Voltage type for actuating |
AC/DC
|
| Wire size |
0.2 to 2.5 mm²
|
| With feedback circuit |
True
|
| With start input |
True
|
| Reset |
Manual monitored or automatic/manual
|
|---|
| Category |
EN ISO 13849-1: Instantaneous: 4
|
|---|---|
| DC |
Instantaneous: 90%
|
| Operating temperature |
-5 °C
|
| PFHd |
0.00000000238
|
| Pollution degree |
2
|
| Relative humidity |
Operating: 90%
|
| DC avg |
Instantaneous: 90%
|
|---|---|
| Days of operation |
365 dbays
|
| Hours of operation |
24 h
|
| MTTFd |
Instantaneous: 295
|
| Mission time |
20 year
|
| T cycle |
8/28800 (h/s)
|
Mechanical
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Enclosure type rating |
IP40 (NEMA 1), DIN 0470
|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
24 V
|
| Rated control supply voltage at AC 60 Hz |
24 V
|
| Recovery time |
100 ms
|
| Response time |
15 ms
|
| Shock |
10 G, 16 ms, 100 shocks
|
| Terminal protection |
IP20, DIN 0470
|
| Time delay range |
0.15 s
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Weight |
350 g
|
| With detachable clamps |
True
|
Construction
| Depth |
114.50 mm
|
|---|---|
| Height |
99 mm
|
| Mounting |
35 mm DIN rail in enclosure to a min of IP54
|
| Width |
45 mm
|
| Drawings | |
|---|---|
| 3-Dimensional STEP model (STP) | Download (ZIP) |
| 2-Dimensional Drawing (PDF) | Download (PDF) |
| Product Drawing | Drawing (DWG) |
| Drawings |
|---|
| 3-Dimensional STEP model (STP) Download (ZIP) |
| 2-Dimensional Drawing (PDF) Download (PDF) |
| Product Drawing Drawing (DWG) |
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| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Technical Document | -- |
| Installation Instructions | Publication |
|---|---|
| 440r-in088_-en-p | 440R-IN088 |
| Technical Data | Publication |
|---|---|
| 440r-td001_-en-p | 440R-TD001 |
| User Manual | Publication |
|---|---|
| 440r-um003_-en-p | 440R-UM003 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Search the Literature Library
This product was certified with the above certifications as of 2026-07-16. 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.
Search Knowledgebase
Overview
| Unique Product Identifier |
440R-M23143
|
|---|---|
| UPC |
611320826753
|
| Estimated Lead Time |
5 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
Electrical & Connectivity
| Reset |
Automatic/Manual Monitored
|
|---|---|
| Sub Brand |
Guardmaster
|
| Continuous safety output current |
UL: B300 , 5 A/250V AC @ 24V DC , AC-15: 6 A/250V AC, DC-13: 3 A/24V DC
|
|---|---|
| Electrical life cycle |
100.000 (220V AC/4 A/880VA cosφ = 0.35), 500.000 (220V AC/1.7 A/375VA cosφ = 0.6), 1.000.000 (30V DC/2 A/60 W), 2.000.000 (10V DC/0.01 A/0.1 W)
|
| Evaluation inputs |
One- and two-channel
|
| Fuses output |
External: 6 A slow blow or 10 A quick blow
|
| Input resistance, max |
135 ohm
|
| Input simultaneity |
Infinite
|
| Model |
Basic device
|
| Number of outputs, safety related, delayed, semiconductors |
0
|
| Number of outputs, safety related, delayed, with contact |
3
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, safety related, undelayed, with contact |
2
|
| 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 range |
20.4
|
| Power ON delay |
1 ms
|
| Power consumption |
4 W
|
| Rated control supply voltage at DC |
24 V
|
| Rated impulse withstand voltage |
2500 V
|
| Rated thermal current (Ith) |
7 A maximum in one current path (non-switching)
|
| Safety inputs |
1 N.C., 2 N.C., light curtain
|
| Suitable for monitoring of emergency-stop circuits |
True
|
| Suitable for monitoring of magnetic switches |
True
|
| Suitable for monitoring of optoelectronic protection equipment |
True
|
| Suitable for monitoring of position switches |
True
|
| Suitable for monitoring of proximity switches |
True
|
| Suitable for monitoring of tactile sensors |
True
|
| Suitable for monitoring of valves |
True
|
| Switching current, min |
10 mA
|
| Switching voltage, min |
10 V
|
| Terminal type |
Removable
|
| Type of electric connection |
Screw connection
|
| Voltage type for actuating |
AC/DC
|
| Wire size |
0.2 to 2.5 mm²
|
| With feedback circuit |
True
|
| With start input |
True
|
| Reset |
Manual monitored or automatic/manual
|
|---|
Compliance & Environment
| Category |
EN ISO 13849-1: Instantaneous: 4
|
|---|---|
| DC |
Instantaneous: 90%
|
| Operating temperature |
-5 °C
|
| PFHd |
0.00000000238
|
| Pollution degree |
2
|
| Relative humidity |
Operating: 90%
|
Technical Specifications
| DC avg |
Instantaneous: 90%
|
|---|---|
| Days of operation |
365 dbays
|
| Hours of operation |
24 h
|
| MTTFd |
Instantaneous: 295
|
| Mission time |
20 year
|
| T cycle |
8/28800 (h/s)
|
Physical Characteristics
Mechanical
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Enclosure type rating |
IP40 (NEMA 1), DIN 0470
|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
24 V
|
| Rated control supply voltage at AC 60 Hz |
24 V
|
| Recovery time |
100 ms
|
| Response time |
15 ms
|
| Shock |
10 G, 16 ms, 100 shocks
|
| Terminal protection |
IP20, DIN 0470
|
| Time delay range |
0.15 s
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Weight |
350 g
|
| With detachable clamps |
True
|
Construction
| Depth |
114.50 mm
|
|---|---|
| Height |
99 mm
|
| Mounting |
35 mm DIN rail in enclosure to a min of IP54
|
| Width |
45 mm
|
Drawings
| Drawings | |
|---|---|
| 3-Dimensional STEP model (STP) | Download (ZIP) |
| 2-Dimensional Drawing (PDF) | Download (PDF) |
| Product Drawing | Drawing (DWG) |
| Drawings |
|---|
| 3-Dimensional STEP model (STP) Download (ZIP) |
| 2-Dimensional Drawing (PDF) Download (PDF) |
| Product Drawing Drawing (DWG) |
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
Documents
|
Product Cutsheet
General
-- |
|
Technical Document
General
-- |
|
440r-in088_-en-p
Installation Instructions
440R-IN088 |
|
440r-td001_-en-p
Technical Data
440R-TD001 |
|
440r-um003_-en-p
User Manual
440R-UM003 |
| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Technical Document | -- |
| Installation Instructions | Publication |
| 440r-in088_-en-p | 440R-IN088 |
| Technical Data | Publication |
| 440r-td001_-en-p | 440R-TD001 |
| User Manual | Publication |
| 440r-um003_-en-p | 440R-UM003 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Search the Literature Library
Certifications
This product was certified with the above certifications as of 2026-07-16. 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 MSR138DP Safety Relay
440R-M23143
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