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440R-N23113

Guardmaster MSR126.1T Safety Relay

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Technical Specifications
General
Electrical
Certification
Mechanical
Performance Level
Environmental
SIL Rating
Construction
Relays
Drawings
Documents
Certifications
Alternative Products
Technotes
Product Family
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
SIL according to IEC 61508
3
With approval according to UL
True
Stop category according to IEC 60204
0
Performance level according to EN ISO 13849-1
Level e
Type of safety according to IEC 61496-1
4
With approval for TUV
True
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)
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Type Resource Publication
General 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

This product was certified with the above certifications as of 2025-09-09. 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.

Items Per Page:
1-1 of 1
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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Technical Specifications
Product Family
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
SIL according to IEC 61508
3
With approval according to UL
True
Stop category according to IEC 60204
0
Performance level according to EN ISO 13849-1
Level e
Type of safety according to IEC 61496-1
4
With approval for TUV
True
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
--
Type Resource Publication
General 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

This product was certified with the above certifications as of 2025-09-09. 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.

Alternative Products
Items Per Page:
1-1 of 1
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
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