440P-MALS11B
This limit switch features a contact configuration comprising one normally open and one normally closed contact. The rated thermal current for this device is 10 Amperes with a minimum switching curren
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4.7
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Allen Bradley Guardmaster Safety Relays
Guardmaster Safety Relays from Allen Bradley are industrial safety system components. They monitor safety devices like emergency stop buttons and light curtains to detect potential hazards. When a safety device activates, the connected relays swiftly initiate a safety response, such as stopping machinery or activating alarms, to prevent accidents and protect users and equipment. The Guardmaster Safety Relays series includes general-purpose relays and special-purpose relays. Each Guardmaster Safety Relay comes with 4 removable terminal blocks.
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Browse Guardmaster Safety Relays
Browse available units in our catalog of Guardmaster Safety Relays.
440R-P226AGS-NNR
This safety relay accommodates four safety inputs and provides two solid-state PNP OSSD outputs for reliable operation. It also includes two auxiliary outputs that can be configured for non-safety pur
In Stock Ships Today
5.0
440R-S845AER-NNL
This speed monitoring safety relay includes a range of input contacts: five normally closed contacts, two additional normally closed contacts, and a combination of a normally open and normally closed
In Stock Ships Tomorrow
4.7
440N-Z21S26B
This non-contact safety switch features a robust red plastic barrel housing with an IP69K rating for excellent protection against dust and moisture. The device supports a switching current of 200 mill
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4.8
440R-G23110
This safety relay is designed to function within a DC voltage range of 24 volts and can also operate on AC voltage of the same level. It features five normally open (N.O.) safety outputs and one norma
In Stock Ships Today
5.0
440R-ZBR520AZ1
This safety monitoring relay features five normally open safety outputs and two normally closed auxiliary contacts. It operates within a frequency range of 50 to 60 Hz and has a response time of 25 mi
In Stock Ships Today
5.0
442L-TA40430DACD
This model has a total of 60 beams with an optical resolution of 30 mm. It operates effectively within a temperature range of 0 °C to 40 °C, making it suitable for various environments. This unit is d
Available
5.0
440R-A32003
This power supply unit features a DIN-rail mounting style and is 22.5 mm wide. It has a drop-out time of 80 milliseconds and is rated with an IP40 housing. Additionally, the unit has IP20 terminal pro
In Stock Ships Today
5.0
440R-G23215
This safety relay features a single normally closed (N.C.) input and two normally open (N.O.) safety inputs. Additionally, it provides a total of seven normally open safety outputs and four normally c
Available
4.9
440R-H23178
This extension module provides dual-channel inputs, allowing for configurations including a single normally closed input and two normally closed inputs with cross-fault monitoring. Built to operate in
Available
5.0
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