Preferred
440R-N23114
Guardmaster MSR126.1T Safety Relay
Serial #:
This product has not been verified. Please {} to confirm authenticity.
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Lifecycle status:
Active
Description
MSR126.1T 2 N.C.; 2 N.O., 2 N.O., 24V AC/DC , Automatic/Manual Reset,Fixed Screw Terminals,
Preferred
440R-N23114
Guardmaster MSR126.1T Safety Relay
Serial #:
This product has not been verified. Please {} to confirm authenticity.
register your product
Lifecycle status:
Active
Description
MSR126.1T 2 N.C.; 2 N.O., 2 N.O., 24V AC/DC , Automatic/Manual Reset,Fixed Screw Terminals,
Overview
Electrical & Connectivity
General Features
Power & Electrical Characteristics
Relays & Control Outputs
Technical Specifications
Performance Level
Physical Characteristics
Mechanical
Construction
Compliance & Environment
Standards & Protection
Drawings
Documents
Certifications
Alternative Products
Technotes
| Unique Product Identifier |
440R-N23114
|
|---|---|
| UPC |
611320830514
|
| Estimated Lead Time |
5 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
| Reset |
Automatic/Manual
|
|---|---|
| Sub Brand |
Guardmaster
|
| Continuous safety output current |
UL: B300, 5A @ 250V AC, 24V AC @ 6A @ 24V DC, AC-15: 6A @ 250V AC, DC-13: 3A @ 24V DC
|
|---|---|
| Electrical life cycle |
100000 (220V AC / 4 A / 880VA cosφ = 0.35), 500000 (220V AC / 1.7 A / 375VA cosφ = 0.6), 1000000 (30V DC / 2 A / 60 W), 2000000 (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
|
| Immediate safe dry No output |
2
|
| Impulse withstand voltage |
2500 V
|
| Model |
Basic 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 |
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 |
24V AC/DC, 0.85 to 1.1 x rated voltage 50 60 Hz
|
| Output utilization per IEC 60947-4-1, resistive |
DC-1: 6A @ 24V DC
|
| Output utilization per IEC 60947-5-1, inductive |
P300, DC-13: 3A @ 24V DC, 6A @ 24V DC @ 6 ops/min
|
| Power consumption |
4 W
|
| Rated control supply voltage at DC |
24 V
|
| Rated thermal current (Ith) |
Non switching: 6 A maximum in one current path
|
| 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 |
10mA @ 10V
|
| Terminal type |
Fixed
|
| Type of electric connection |
Screw connection
|
| Utilization category |
UL: B300, 5 A/250V AC @ 24V AC, 6 A/24V DC
|
| Voltage type for actuating |
AC/DC
|
| Wire size |
0.2 to 2.5 mm²
|
| With feedback circuit |
True
|
| With muting function |
False
|
| With start input |
True
|
| Reset |
Manual monitored or automatic/manual
|
|---|
| Category according EN ISO 13849-1 |
4
|
|---|---|
| DC avg |
99 %
|
| Days of operation |
365 dbays
|
| Hours of operation |
24 h
|
| MTTFd |
375 year
|
| Mission time |
20 year
|
| T cycle |
8/28800 (h/s)
|
Mechanical
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
24 V
|
| Rated control supply voltage at AC 60 Hz |
24 V
|
| Shock |
10 G, 16 ms, 100 shocks
|
| Terminal protection |
IP20
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Weight |
160 g
|
| With detachable clamps |
False
|
Construction
| Depth |
110 mm
|
|---|---|
| Height |
75 mm
|
| Mounting |
35 mm DIN rail in enclosure to a min of IP54
|
| Width |
22.5 mm
|
| Operating temperature |
-5 °C
|
|---|---|
| PFHd |
2.03e-09
|
| Pollution degree |
2
|
| Relative humidity |
Operating: 90%
|
| Drawings | |
|---|---|
| 2-Dimensional Drawing (PDF) | Download (PDF) |
| Product Drawing | Drawing (DXF) |
| Drawings |
|---|
| 2-Dimensional Drawing (PDF) Download (PDF) |
| Product Drawing Drawing (DXF) |
Click the Download CAD button below to view all file formats available for download.
Sign in to your Rockwell Automation account to view and download technical drawings.
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| General | Publication |
|---|---|
| Technical Document | -- |
| Product Cutsheet | -- |
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 2026-10-09. 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-N23114
|
|---|---|
| UPC |
611320830514
|
| Estimated Lead Time |
5 days
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
Multiple
|
Electrical & Connectivity
| Reset |
Automatic/Manual
|
|---|---|
| Sub Brand |
Guardmaster
|
| Continuous safety output current |
UL: B300, 5A @ 250V AC, 24V AC @ 6A @ 24V DC, AC-15: 6A @ 250V AC, DC-13: 3A @ 24V DC
|
|---|---|
| Electrical life cycle |
100000 (220V AC / 4 A / 880VA cosφ = 0.35), 500000 (220V AC / 1.7 A / 375VA cosφ = 0.6), 1000000 (30V DC / 2 A / 60 W), 2000000 (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
|
| Immediate safe dry No output |
2
|
| Impulse withstand voltage |
2500 V
|
| Model |
Basic 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 |
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 |
24V AC/DC, 0.85 to 1.1 x rated voltage 50 60 Hz
|
| Output utilization per IEC 60947-4-1, resistive |
DC-1: 6A @ 24V DC
|
| Output utilization per IEC 60947-5-1, inductive |
P300, DC-13: 3A @ 24V DC, 6A @ 24V DC @ 6 ops/min
|
| Power consumption |
4 W
|
| Rated control supply voltage at DC |
24 V
|
| Rated thermal current (Ith) |
Non switching: 6 A maximum in one current path
|
| 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 |
10mA @ 10V
|
| Terminal type |
Fixed
|
| Type of electric connection |
Screw connection
|
| Utilization category |
UL: B300, 5 A/250V AC @ 24V AC, 6 A/24V DC
|
| Voltage type for actuating |
AC/DC
|
| Wire size |
0.2 to 2.5 mm²
|
| With feedback circuit |
True
|
| With muting function |
False
|
| With start input |
True
|
| Reset |
Manual monitored or automatic/manual
|
|---|
Technical Specifications
| Category according EN ISO 13849-1 |
4
|
|---|---|
| DC avg |
99 %
|
| Days of operation |
365 dbays
|
| Hours of operation |
24 h
|
| MTTFd |
375 year
|
| Mission time |
20 year
|
| T cycle |
8/28800 (h/s)
|
Physical Characteristics
Mechanical
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
24 V
|
| Rated control supply voltage at AC 60 Hz |
24 V
|
| Shock |
10 G, 16 ms, 100 shocks
|
| Terminal protection |
IP20
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Weight |
160 g
|
| With detachable clamps |
False
|
Construction
| Depth |
110 mm
|
|---|---|
| Height |
75 mm
|
| Mounting |
35 mm DIN rail in enclosure to a min of IP54
|
| Width |
22.5 mm
|
Compliance & Environment
| Operating temperature |
-5 °C
|
|---|---|
| PFHd |
2.03e-09
|
| Pollution degree |
2
|
| Relative humidity |
Operating: 90%
|
Drawings
| Drawings | |
|---|---|
| 2-Dimensional Drawing (PDF) | Download (PDF) |
| Product Drawing | Drawing (DXF) |
| Drawings |
|---|
| 2-Dimensional Drawing (PDF) Download (PDF) |
| Product Drawing Drawing (DXF) |
Click the Download CAD button below to view all file formats available for download.
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
Documents
|
Technical Document
General
-- |
|
Product Cutsheet
General
-- |
| General | Publication |
|---|---|
| Technical Document | -- |
| Product Cutsheet | -- |
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 2026-10-09. 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
Multiple countries of origin based on manufacturing location
Guardmaster MSR126.1T Safety Relay
440R-N23114
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