Guardmaster MSR126.1T Safety Relay
Guardmaster MSR126.1T Safety Relay
| Unique Product Identifier |
440R-N23112
|
|---|---|
| UPC |
611320830491
|
| Estimated Lead Time |
21 days
|
| Standard Warranty Duration |
1 year See details |
| Reset |
Automatic/Manual
|
|---|---|
| Sub Brand |
Guardmaster
|
| Continuous safety output current |
UL: B300 5A @ 250V AC, 24V DC, AC-15: 6A @ 250V AC, DC-13: 3A @ 24V DC
|
|---|---|
| Electrical life cycle |
Ops: (with surge suppression) 250V AC/6 A/1500VA cosφ = 1...0.1 M, 250V AC/2.5 A/625VA cosφ = 1...0.5 M, 250V AC/1.5 A/375VA cosφ = 0.35...0.3 M, 250V AC/5 A/1250VA cosφ = 0.6...0.1 M, 24V DC/2 A/48 W = 1 M, 10V DC/0.01 A/0.1 W = 2 M
|
| Evaluation inputs |
One- and two-channel
|
| Fuses output |
External: 6 A slow blow or 10 A fast acting
|
| Immediate safe dry No output |
2
|
| Inductive, AC-15 |
6.0A @ 250V AC
|
| Inductive, DC-13 |
6 A/24V DC @ 6 ops/min
|
| Input resistance, max |
90 ohm
|
| Input simultaneity |
Infinite
|
| 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 |
195.5
|
| Power ON delay |
300 ms
|
| Power consumption |
4 W
|
| Rated impulse withstand voltage |
2500 V
|
| Resistive, AC-1 |
6.0A @ 250V AC
|
| Resistive, DC-1 |
6.0A @ 24V DC
|
| 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
|
| Thermal current (Ith) |
Maximum 6 A in one current path (non-switching)
|
| Type of electric connection |
Screw connection
|
| Voltage type for actuating |
AC
|
| Wire size |
0.2...2.5 mm² (24...12 AWG)
|
| With feedback circuit |
True
|
| With muting function |
False
|
| With start input |
True
|
| Reset |
Automatic/manual
|
|---|
| Category |
Up to 4
|
|---|---|
| Enclosure type |
IP40 (NEMA 1), DIN 0470
|
| Operating temperature |
-5 °C
|
| PFHd |
2.03E-09
|
| Pollution degree |
2
|
| Relative humidity |
90%
|
| Safety integrity level claim limit |
3
|
| DC avg. (EN ISO 13849-1) |
99 %
|
|---|---|
| Days of operation |
365 dbays
|
| Hours of operation |
24 h
|
| MTTFd |
375 year
|
| Mission time |
20 year
|
| Performance level |
Up to e
|
| T cycle |
8/28800 (h/s)
|
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
230 V
|
| Rated control supply voltage at AC 60 Hz |
230 V
|
| Recovery time |
100 ms
|
| Release delay |
False
|
| Response time |
15 ms
|
| Shock |
10 G, 16 ms, 100 shocks
|
| Terminal protection |
IP20, DIN 0470
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Weight |
24V DC: 160 g (0.35 lb)
|
| With detachable clamps |
False
|
| Depth |
110 mm
|
|---|---|
| Height |
75 mm
|
| Mounting |
DIN rail: 35 mm
|
| Width |
22.5 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) |
Click the Download CAD button below to view all file formats available for download.
| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Technical Document | -- |
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.
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
| Technotes |
|---|
Overview
| Unique Product Identifier |
440R-N23112
|
|---|---|
| UPC |
611320830491
|
| Estimated Lead Time |
21 days
|
| Standard Warranty Duration |
1 year See details |
Electrical & Connectivity
| Reset |
Automatic/Manual
|
|---|---|
| Sub Brand |
Guardmaster
|
| Continuous safety output current |
UL: B300 5A @ 250V AC, 24V DC, AC-15: 6A @ 250V AC, DC-13: 3A @ 24V DC
|
|---|---|
| Electrical life cycle |
Ops: (with surge suppression) 250V AC/6 A/1500VA cosφ = 1...0.1 M, 250V AC/2.5 A/625VA cosφ = 1...0.5 M, 250V AC/1.5 A/375VA cosφ = 0.35...0.3 M, 250V AC/5 A/1250VA cosφ = 0.6...0.1 M, 24V DC/2 A/48 W = 1 M, 10V DC/0.01 A/0.1 W = 2 M
|
| Evaluation inputs |
One- and two-channel
|
| Fuses output |
External: 6 A slow blow or 10 A fast acting
|
| Immediate safe dry No output |
2
|
| Inductive, AC-15 |
6.0A @ 250V AC
|
| Inductive, DC-13 |
6 A/24V DC @ 6 ops/min
|
| Input resistance, max |
90 ohm
|
| Input simultaneity |
Infinite
|
| 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 |
195.5
|
| Power ON delay |
300 ms
|
| Power consumption |
4 W
|
| Rated impulse withstand voltage |
2500 V
|
| Resistive, AC-1 |
6.0A @ 250V AC
|
| Resistive, DC-1 |
6.0A @ 24V DC
|
| 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
|
| Thermal current (Ith) |
Maximum 6 A in one current path (non-switching)
|
| Type of electric connection |
Screw connection
|
| Voltage type for actuating |
AC
|
| Wire size |
0.2...2.5 mm² (24...12 AWG)
|
| With feedback circuit |
True
|
| With muting function |
False
|
| With start input |
True
|
| Reset |
Automatic/manual
|
|---|
Compliance & Environment
| Category |
Up to 4
|
|---|---|
| Enclosure type |
IP40 (NEMA 1), DIN 0470
|
| Operating temperature |
-5 °C
|
| PFHd |
2.03E-09
|
| Pollution degree |
2
|
| Relative humidity |
90%
|
| Safety integrity level claim limit |
3
|
Technical Specifications
| DC avg. (EN ISO 13849-1) |
99 %
|
|---|---|
| Days of operation |
365 dbays
|
| Hours of operation |
24 h
|
| MTTFd |
375 year
|
| Mission time |
20 year
|
| Performance level |
Up to e
|
| T cycle |
8/28800 (h/s)
|
Physical Characteristics
| Enclosure protection |
IP40 (NEMA 1)
|
|---|---|
| Rail mounting possible |
True
|
| Rated control supply voltage at AC 50 Hz |
230 V
|
| Rated control supply voltage at AC 60 Hz |
230 V
|
| Recovery time |
100 ms
|
| Release delay |
False
|
| Response time |
15 ms
|
| Shock |
10 G, 16 ms, 100 shocks
|
| Terminal protection |
IP20, DIN 0470
|
| Vibration |
10...55 Hz, 0.35 mm
|
| Weight |
24V DC: 160 g (0.35 lb)
|
| With detachable clamps |
False
|
| Depth |
110 mm
|
|---|---|
| Height |
75 mm
|
| Mounting |
DIN rail: 35 mm
|
| Width |
22.5 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) |
Click the Download CAD button below to view all file formats available for download.
Documents
|
Product Cutsheet
General
-- |
|
Technical Document
General
-- |
| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Technical Document | -- |
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.
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
Alternative Products
Technotes
| Technotes |
|---|