Safety-Rated Interlock Switches

Safety rated interlock switches are safeguarding measures designed to improve safety in situations where guards or gates are used around hazardous machinery or equipment.

What are safety rated interlock switches used for?

In industrial situations, safety rated interlock switches prevent or permit the use of machinery, depending on safety conditions. They allow current to pass to the machine when it is safe to operate, for example when the machine's guard is closed. And they cut off the power if there's a potential hazard, such as a guard being opened. When a dangerous piece of equipment such as a metalworking machine is in operation, safety rated interlock switch might be used to ensure safety gates remain closed, excluding workers from hazardous areas.

Types of safety rated interlock switches

Safety rated interlock switches vary according to their lock type, maximum current and voltage, as well as their housing material. Guard-locking switches prevent access to machine parts that may still be in motion, even when the power has been cut. Hinge switches will close protective gates and guards in unsafe conditions.


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Description Price Connection Type Lock Style Normal State Configuration Housing Material Maximum AC Voltage Maximum DC Voltage Safety Contacts Range Actuator Included Lock Type Number of Head Directions Series Auxiliary Contacts Depth
RS Stock No. 179-4735
Mfr. Part No.HS5D-12RNP
BrandIdec
€45.04
Each
units
PG13.5 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
RS Stock No. 179-4736
Mfr. Part No.HS5D-12ZRN
BrandIdec
€50.76
Each
units
G1/2 Handle 1NO/2NC Metal (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
RS Stock No. 179-4737
Mfr. Part No.HS5D-12ZRNM
BrandIdec
€50.76
Each
units
M20 Handle 1NO/2NC Metal (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
RS Stock No. 179-4750
Mfr. Part No.HS6E-L44B05-G
BrandIdec
€303.16
Each
units
Cable Key 1NC/1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - 250V 30V 1NC+1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - - Spring Lock - HS6E - 75mm
RS Stock No. 179-4721
Mfr. Part No.HS1L-DQ44KMSR-R
BrandIdec
€288.58
Each
units
G1/2 Key 1NC/1NC (Main), 1NO (Door Monitor), 1NO (Lock Monitor) - 250V 30V 1NC+1NC/1NC+1NC (Main), 1NO (Door Monitor), 1NO (Lock Monitor) - - Spring Lock - HS1L - 129mm
RS Stock No. 179-4747
Mfr. Part No.HS5L-VC7Y4M-G
BrandIdec
€168.04
Each
units
M20 Key 1NC/1NO (Lock Monitor), 2NC (Door Monitor) Metal (Head) 250V 30V 1NC/1NO (Lock Monitor), 2NC (Door Monitor) - - Solenoid Lock - HS5L - 127mm
RS Stock No. 179-4729
Mfr. Part No.HS5D-03RNP
BrandIdec
€45.04
Each
units
PG13.5 Handle 3NC Plastic (Head) 250V 30V 3NC - - Interlock - HS5D - 91mm
RS Stock No. 179-4752
Mfr. Part No.HS6E-M44B05-G
BrandIdec
€303.16
Each
units
Cable Key 1NC (Lock Monitor), 1NC/1NC (Main), 2NC (Door Monitor) - 250V 30V 1NC (Lock Monitor), 1NC+1NC (Main), 2NC (Door Monitor) - - Spring Lock - HS6E - 75mm
RS Stock No. 179-4730
Mfr. Part No.HS5D-03ZRNM
BrandIdec
€50.76
Each
units
M20 Handle 3NC Metal (Head) 250V 30V 3NC - - Interlock - HS5D - 91mm
RS Stock No. 179-4738
Mfr. Part No.HS5D-12ZRNP
BrandIdec
€50.76
Each
units
PG13.5 Handle 1NO/2NC Metal (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
RS Stock No. 179-4733
Mfr. Part No.HS5D-12RNM
BrandIdec
€45.04
Each
units
M20 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
RS Stock No. 179-4751
Mfr. Part No.HS6E-L7Y4B05-G
BrandIdec
€303.16
Each
units
Cable Key 1NC/1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - 250V 30V 1NC+1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - - Solenoid Lock - HS6E - 75mm
RS Stock No. 179-4754
Mfr. Part No.HS6E-N44B05-G
BrandIdec
€303.16
Each
units
Cable Key 1NC/1NC (Main), 1NC/1NO (Door Monitor), 1NO (Lock Monitor) - 250V 30V 1NC/1NO (Door Monitor), 1NC+1NC (Main), 1NO (Lock Monitor) - - Spring Lock - HS6E - 75mm
RS Stock No. 179-4722
Mfr. Part No.HS1L-DT44KMSR-G
BrandIdec
€288.58
Each
units
G1/2 Key 1NC (Door Monitor), 1NC (Lock Monitor), 1NC/1NC (Main) - 250V 30V 1NC (Door Monitor), 1NC (Lock Monitor), 1NC+1NC/1NC+1NC (Main) - - Spring Lock - HS1L - 129mm
RS Stock No. 179-4753
Mfr. Part No.HS6E-M7Y4B05-G
BrandIdec
€303.16
Each
units
Cable Key 1NC (Lock Monitor), 1NC/1NC (Main), 2NC (Door Monitor) - 250V 30V 1NC (Lock Monitor), 1NC+1NC (Main), 2NC (Door Monitor) - - Solenoid Lock - HS6E - 75mm
RS Stock No. 179-4723
Mfr. Part No.HS1L-DT44KMSR-R
BrandIdec
€288.58
Each
units
G1/2 Key 1NC (Door Monitor), 1NC (Lock Monitor), 1NC/1NC (Main) - 250V 30V 1NC (Door Monitor), 1NC (Lock Monitor), 1NC+1NC/1NC+1NC (Main) - - Spring Lock - HS1L - 129mm
RS Stock No. 179-4746
Mfr. Part No.HS5L-VC44M-G
BrandIdec
€168.04
Each
units
M20 Key 1NC/1NO (Lock Monitor), 2NC (Door Monitor) Metal (Head) 250V 30V 1NC/1NO (Lock Monitor), 2NC (Door Monitor) - - Spring Lock - HS5L - 127mm
RS Stock No. 179-4720
Mfr. Part No.HS1L-DQ44KMSR-G
BrandIdec
€288.58
Each
units
G1/2 Key 1NC/1NC (Main), 1NO (Door Monitor), 1NO (Lock Monitor) - 250V 30V 1NC+1NC/1NC+1NC (Main), 1NO (Door Monitor), 1NO (Lock Monitor) - - Spring Lock - HS1L - 129mm
RS Stock No. 179-4745
Mfr. Part No.HS5L-VC44LM-G
BrandIdec
€209.62
Each
units
M20 Key 1NC/1NO (Lock Monitor), 2NC (Door Monitor) Metal (Head) 250V 30V 1NC/1NO (Lock Monitor), 2NC (Door Monitor) - - Spring Lock - HS5L - 127mm
RS Stock No. 179-4732
Mfr. Part No.HS5D-12RN
BrandIdec
€45.04
Each
units
G1/2 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm