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 Actuator Included Housing Material Maximum AC Voltage Safety Contacts Maximum DC Voltage Range Lock Type IP Rating Number of Head Directions Series Auxiliary Contacts
New
RS Stock No. 213-1658
Mfr. Part No.HS1T-VC44ZSM-G
BrandIdec
TWD10,160.00
Each
units
- - 1NC, 1NO - - 250V - - - Type 2 - - HS1T -
New
RS Stock No. 213-1659
Mfr. Part No.HS1T-VC7Y4ZM-G
BrandIdec
TWD9,676.00
Each
units
- Power 1NC, 1NO - - 250V - - - Type 2 - - HS1T -
RS Stock No. 179-4749
Mfr. Part No.HS6B-12B05
BrandIdec
TWD1,744.00
Each
units
Cable - 2NC/1NO - - 250V 2NC+1NO 30V - Interlock IP67 - HS6B -
New
RS Stock No. 213-1660
Mfr. Part No.HS1T-VD44ZM-G
BrandIdec
TWD9,676.00
Each
units
- - 2NC - - 250V - - - Type 2 - - HS1T -
RS Stock No. 179-4732
Mfr. Part No.HS5D-12RN
BrandIdec
TWD955.00
Each
units
G1/2 Handle 1NO/2NC - Plastic (Head) 250V 1NO+2NC 30V - Interlock IP67 - HS5D -
RS Stock No. 179-4729
Mfr. Part No.HS5D-03RNP
BrandIdec
TWD898.00
Each
units
PG13.5 Handle 3NC - Plastic (Head) 250V 3NC 30V - Interlock IP67 - HS5D -
RS Stock No. 179-4755
Mfr. Part No.HS6E-N7Y4B05-G
BrandIdec
TWD5,865.00
Each
units
Cable Key NC/NC (Main), NC/NO (Door Monitor), NO (Lock Monitor) Yes Plastic 250V 1NC+1NC (Main), 1NC/1NO (Door Monitor), 1NO (Lock Monitor) 30V - Solenoid Lock IP67 - HS6E -
RS Stock No. 179-4750
Mfr. Part No.HS6E-L44B05-G
BrandIdec
TWD5,865.00
Each
units
Cable Key 1NC/1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - - 250V 1NC+1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) 30V - Spring Lock IP67 - HS6E -
RS Stock No. 179-4751
Mfr. Part No.HS6E-L7Y4B05-G
BrandIdec
TWD6,158.00
Each
units
Cable Key 1NC/1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - - 250V 1NC+1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) 30V - Solenoid Lock IP67 - HS6E -
RS Stock No. 179-4733
Mfr. Part No.HS5D-12RNM
BrandIdec
TWD992.00
Each
units
M20 Handle 1NO/2NC - Plastic (Head) 250V 1NO+2NC 30V - Interlock IP67 - HS5D -
RS Stock No. 179-4723
Mfr. Part No.HS1L-DT44KMSR-R
BrandIdec
TWD6,053.00
Each
units
G1/2 Key 1NC (Door Monitor), 1NC (Lock Monitor), 1NC/1NC (Main) - - 250V 1NC (Door Monitor), 1NC (Lock Monitor), 1NC+1NC/1NC+1NC (Main) 30V - Spring Lock IP67 - HS1L -
RS Stock No. 179-4737
Mfr. Part No.HS5D-12ZRNM
BrandIdec
TWD1,118.00
Each
units
M20 Handle 1NO/2NC - Metal (Head) 250V 1NO+2NC 30V - Interlock IP67 - HS5D -
RS Stock No. 179-4722
Mfr. Part No.HS1L-DT44KMSR-G
BrandIdec
TWD6,053.00
Each
units
G1/2 Key 1NC (Door Monitor), 1NC (Lock Monitor), 1NC/1NC (Main) - - 250V 1NC (Door Monitor), 1NC (Lock Monitor), 1NC+1NC/1NC+1NC (Main) 30V - Spring Lock IP67 - HS1L -
New
RS Stock No. 213-1661
Mfr. Part No.HS1T-VD44ZSM-G
BrandIdec
TWD10,450.00
Each
units
- - 2NC - - 250V - - - Type 2 - - HS1T -
RS Stock No. 179-4747
Mfr. Part No.HS5L-VC7Y4M-G
BrandIdec
TWD3,720.00
Each
units
M20 Key 1NC/1NO (Lock Monitor), 2NC (Door Monitor) - Metal (Head) 250V 1NC/1NO (Lock Monitor), 2NC (Door Monitor) 30V - Solenoid Lock IP67 - HS5L -
RS Stock No. 179-4752
Mfr. Part No.HS6E-M44B05-G
BrandIdec
TWD6,158.00
Each
units
Cable Key 1NC (Lock Monitor), 1NC/1NC (Main), 2NC (Door Monitor) - - 250V 1NC (Lock Monitor), 1NC+1NC (Main), 2NC (Door Monitor) 30V - Spring Lock IP67 - HS6E -
New
RS Stock No. 213-1662
Mfr. Part No.HS1T-VD7Y4ZM-G
BrandIdec
TWD9,676.00
Each
units
- Power 2NC - - 250V - - - Type 2 - - HS1T -
New
RS Stock No. 213-1656
Mfr. Part No.HS1T-DD44ZM-G
BrandIdec
TWD9,676.00
Each
units
- - 2NC - - 250V - - - Type 2 - - HS1T -
RS Stock No. 179-4720
Mfr. Part No.HS1L-DQ44KMSR-G
BrandIdec
TWD5,861.00
Each
units
G1/2 Key 1NC/1NC (Main), 1NO (Door Monitor), 1NO (Lock Monitor) - - 250V 1NC+1NC/1NC+1NC (Main), 1NO (Door Monitor), 1NO (Lock Monitor) 30V - Spring Lock IP67 - HS1L -
RS Stock No. 179-4735
Mfr. Part No.HS5D-12RNP
BrandIdec
TWD943.00
Each
units
PG13.5 Handle 1NO/2NC - Plastic (Head) 250V 1NO+2NC 30V - Interlock IP67 - HS5D -