Solenoid Interlock Switches

Solenoid interlock switches allow guards or gates to be securely locked while dangerous processes are in operation. They require an internal solenoid to be energised before the guard can be opened and remain locked until all equipment has ceased moving.

What are solenoid interlock switches used for?

Solenoid interlock switches are widely used in machinery where an interruption could cause damage. This kind of switch mechanism is crucial when operating machinery where the hazard continues even after power supply to a device is stopped, for example when using circular saw blades. Solenoid interlock switches are also used where there is regular entry to dangerous areas, such as high temperature or pressurised sites.

How do solenoid interlock switches work?

Solenoid interlock switches are operated by magnetic force and respond when a guard opens. A machine can't start until the switch's guard is closed and locked, and it will hold the guard closed until dangerous processes are complete. Interlock switches use positive opening safety contacts for high reliability and can only be operated with one of the keys provided.


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Description Price Range Series Pole Configuration Normal State Configuration Power to Lock / Unlock Actuator Included Actuator Type Conduit Entry Length Width Depth Supply Voltage Maximum AC Voltage Auxiliary Contacts
RS Stock No. 826-3997
Mfr. Part No.202001-SS
BrandIDEM
HK$1,651.02
Each
units
SAMLOCK KLM - - Power to Unlock No Various Options M20 176mm 46mm 47mm 24 V ac/dc - 1NO
RS Stock No. 826-4016
Mfr. Part No.209001-PB
BrandIDEM
HK$3,077.59
Each
units
HYGIELOCK KL4-SS - - Power to Unlock No Various Options M20 198mm 48mm 47mm 24 V ac/dc - 1NO
RS Stock No. 826-4000
Mfr. Part No.205001
BrandIDEM
HK$2,539.34
Each
units
HYGIELOCK KL3-SS - - Power to Unlock No Various Options M20 177mm 48mm 47mm 24 V ac/dc - 1NO
RS Stock No. 826-3981
Mfr. Part No.450201
BrandIDEM
HK$2,624.33
Each
units
RAMZLOCK KLTM-RFID - - Power to Unlock Yes Coded RFID M20 155mm 105mm 46.5mm 24 V dc - 1NO
RS Stock No. 826-3965
Mfr. Part No.221307
BrandIDEM
HK$1,314.80
Each
units
LEILOCK KL1-P - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 230 V ac - 1NO
RS Stock No. 826-3962
Mfr. Part No.221304
BrandIDEM
HK$1,314.80
Each
units
LEILOCK KL1-P - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 110 V ac - 1NO
RS Stock No. 826-3953
Mfr. Part No.221301
BrandIDEM
HK$1,285.06
Each
units
LEILOCK KL1-P - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 24 V ac/dc - 1NO
RS Stock No. 826-3993
Mfr. Part No.201001
BrandIDEM
HK$1,317.43
Each
units
SEZYLOCK KLP - - Power to Unlock No Various Options M20 160mm 46mm 45.5mm 24 V ac/dc - 2NO
RS Stock No. 123-7513
Mfr. Part No.205021
BrandIDEM
HK$2,716.43
Each
units
HYGIELOCK KL3-SS-P2L - - Power to Lock No Various Options M20 48mm 177mm 47mm 24 V dc - NC/NO
RS Stock No. 826-3975
Mfr. Part No.450001
BrandIDEM
HK$1,478.62
Each
units
RAMZLOCK KLTM - - Power to Unlock No Various Options M20 155mm 105mm 46.5mm 24 V dc - 1NO
RS Stock No. 123-7512
Mfr. Part No.202021-SS
BrandIDEM
HK$1,830.51
Each
units
SAMLOCK KLM-P2L - - Power to Lock No Various Options M20 46mm 176mm 47mm 24 V dc - NC/NO
RS Stock No. 826-3969
Mfr. Part No.220301
BrandIDEM
HK$2,360.42
Each
units
RYANLOCK KL1-SS - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 24 V ac/dc - 1NO
RS Stock No. 123-7511
Mfr. Part No.201021
BrandIDEM
HK$1,498.30
Each
units
SEZYLOCK KLP-P2L - - Power to Lock No Various Options M20 46mm 160mm 45.5mm 24 V dc - NC/NO