Preferred
440r-n23113
Guardmaster MSR126.1T Safety Relay
Serial #:
This product has not been verified. Please register your product to confirm authenticity.
Lifecycle status:
Active
Lifecycle status:
Active
Description
MSR126.1T 2 N.C. , 2 N.O., 115V AC , Fixed Screw Terminals,Automatic/Manual Reset
Overview
Technical Specifications
General
Electrical
Mechanical
Performance Level
Environmental
SIL Rating
Construction
Relays
Drawings
Documents
Certifications
Alternative Products
Technotes
| Unique Product Identifier |
440r-n23113
|
|---|---|
| UPC |
611320830507
|
| Estimated Lead Time |
5 days
|
| Country of Origin |
>1
|
| Sub Brand |
Guardmaster
|
|---|
| Number of outputs, safety related, undelayed, with contact |
2
|
|---|---|
| Number of outputs, signalling function, undelayed, with contact |
0
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, signalling function, undelayed, semiconductors |
0
|
| Number of outputs, signalling function, delayed, semiconductors |
0
|
| With start input |
True
|
| With muting function |
False
|
| Voltage type for actuating |
AC
|
| Rated control supply voltage at DC |
0 V
|
| Model |
Basic device
|
| Type of electric connection |
Screw connection
|
| Evaluation inputs |
One- and two-channel
|
| Power ON delay |
300 ms
|
| Input resistance, max |
90 ohm
|
| Power consumption |
4 W
|
| Terminal type |
Fixed
|
| Operating voltage range |
97.75
|
| Inductive, AC-15 |
6.0A @ 250V AC
|
| Inductive, DC-13 |
6 A/24V DC @ 6 ops/min
|
| Fuses output |
External: 6 A slow blow or 10 A quick blow
|
| Rated thermal current (Ith) |
Maximum 6 A in one current path (non-switching)
|
| Continuous safety output current |
UL: B300, 5A @ 250V AC, 24V AC @ 6A @ 24V DC, AC-15: 6A @ 250V AC, DC-13: 3A @ 24V DC
|
| Wire size |
0.2...2.5 mm² (24...12 AWG)
|
| Electrical life cycle |
Ops: 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)
|
| 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
|
| Immediate safe dry No output |
2
|
| Rated impulse withstand voltage |
2500 V
|
| Input simultaneity |
Infinite
|
| Switching current |
10mA @ 10V
|
| Resistive, DC-1 |
6.0A @ 24V DC
|
| Resistive, AC-1 |
6.0A @ 250V AC
|
| With detachable clamps |
False
|
|---|---|
| Rated control supply voltage at AC 50 Hz |
115 V
|
| Rated control supply voltage at AC 60 Hz |
115 V
|
| Terminal protection |
IP20, DIN 0470
|
| Weight |
115/230V AC: 215 g (0.47 lb)
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Shock |
10 g, 16 ms, 100 shocks
|
| Rail mounting possible |
True
|
| Response time |
15 ms
|
| Release delay |
False
|
| Recovery time |
100 ms
|
| Enclosure protection |
IP40 (NEMA 1)
|
| MTTFd |
375 year
|
|---|---|
| DC avg |
99 %
|
| T cycle |
8/28800 (h/s)
|
| Mission time |
20 year
|
| Hours of operation |
24 h
|
| Days of operation |
365 dbays
|
| Performance level |
Up to e
|
| Operating temperature |
-5 °C
|
|---|---|
| Relative humidity |
Operating: 90%
|
| Pollution degree |
2
|
| Enclosure type |
IP40 (NEMA 1), DIN 0470
|
| PFHd |
2.03e-09
|
|---|---|
| Category |
Up to 4
|
| Height |
75 mm
|
|---|---|
| Width |
22.5 mm
|
| Depth |
110 mm
|
| Mounting |
DIN rail: 35 mm
|
| Reset |
Automatic/manual
|
|---|
| Drawings | |
|---|---|
| 2-Dimensional Drawing (PDF) | Download (PDF) |
| Product Drawing | Drawing (DXF) |
| Drawings |
|---|
| 2-Dimensional Drawing (PDF) Download (PDF) |
| Product Drawing Drawing (DXF) |
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
| General | Publication |
|---|---|
| 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
- Safety
- Kosha Approval
- UL Listed
This product was certified with the above certifications as of {}. 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.
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-n23113
|
|---|---|
| UPC |
611320830507
|
| Estimated Lead Time |
5 days
|
| Country of Origin |
>1
|
Technical Specifications
| Sub Brand |
Guardmaster
|
|---|
| Number of outputs, safety related, undelayed, with contact |
2
|
|---|---|
| Number of outputs, signalling function, undelayed, with contact |
0
|
| Number of outputs, safety related, undelayed, semiconductors |
0
|
| Number of outputs, signalling function, undelayed, semiconductors |
0
|
| Number of outputs, signalling function, delayed, semiconductors |
0
|
| With start input |
True
|
| With muting function |
False
|
| Voltage type for actuating |
AC
|
| Rated control supply voltage at DC |
0 V
|
| Model |
Basic device
|
| Type of electric connection |
Screw connection
|
| Evaluation inputs |
One- and two-channel
|
| Power ON delay |
300 ms
|
| Input resistance, max |
90 ohm
|
| Power consumption |
4 W
|
| Terminal type |
Fixed
|
| Operating voltage range |
97.75
|
| Inductive, AC-15 |
6.0A @ 250V AC
|
| Inductive, DC-13 |
6 A/24V DC @ 6 ops/min
|
| Fuses output |
External: 6 A slow blow or 10 A quick blow
|
| Rated thermal current (Ith) |
Maximum 6 A in one current path (non-switching)
|
| Continuous safety output current |
UL: B300, 5A @ 250V AC, 24V AC @ 6A @ 24V DC, AC-15: 6A @ 250V AC, DC-13: 3A @ 24V DC
|
| Wire size |
0.2...2.5 mm² (24...12 AWG)
|
| Electrical life cycle |
Ops: 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)
|
| 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
|
| Immediate safe dry No output |
2
|
| Rated impulse withstand voltage |
2500 V
|
| Input simultaneity |
Infinite
|
| Switching current |
10mA @ 10V
|
| Resistive, DC-1 |
6.0A @ 24V DC
|
| Resistive, AC-1 |
6.0A @ 250V AC
|
| With detachable clamps |
False
|
|---|---|
| Rated control supply voltage at AC 50 Hz |
115 V
|
| Rated control supply voltage at AC 60 Hz |
115 V
|
| Terminal protection |
IP20, DIN 0470
|
| Weight |
115/230V AC: 215 g (0.47 lb)
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Shock |
10 g, 16 ms, 100 shocks
|
| Rail mounting possible |
True
|
| Response time |
15 ms
|
| Release delay |
False
|
| Recovery time |
100 ms
|
| Enclosure protection |
IP40 (NEMA 1)
|
| MTTFd |
375 year
|
|---|---|
| DC avg |
99 %
|
| T cycle |
8/28800 (h/s)
|
| Mission time |
20 year
|
| Hours of operation |
24 h
|
| Days of operation |
365 dbays
|
| Performance level |
Up to e
|
| Operating temperature |
-5 °C
|
|---|---|
| Relative humidity |
Operating: 90%
|
| Pollution degree |
2
|
| Enclosure type |
IP40 (NEMA 1), DIN 0470
|
| PFHd |
2.03e-09
|
|---|---|
| Category |
Up to 4
|
| Height |
75 mm
|
|---|---|
| Width |
22.5 mm
|
| Depth |
110 mm
|
| Mounting |
DIN rail: 35 mm
|
| Reset |
Automatic/manual
|
|---|
Drawings
| Drawings | |
|---|---|
| 2-Dimensional Drawing (PDF) | Download (PDF) |
| Product Drawing | Drawing (DXF) |
| Drawings |
|---|
| 2-Dimensional Drawing (PDF) Download (PDF) |
| Product Drawing Drawing (DXF) |
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
Documents
|
Product Cutsheet
General
-- |
| General | Publication |
|---|---|
| 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
- Safety
- Kosha Approval
- UL Listed
This product was certified with the above certifications as of {}. 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.
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 MSR126.1T Safety Relay
440r-n23113
Close
Print
Copyright ©2026 Rockwell Automation, Inc.