Hinge Switches

Hinge switches are a type of safety interlock switch fitted at the hinge point of a piece of equipment, such as a door. They work according to the normal function of the hinge, but they are linked up to the power supply and will break the circuit if the door is opened at an inappropriate time. Hinge switches are used to replace traditional door contacts, because they improve safety while still maintaining the same level of operation.

What are hinge switches used for?

Hinge switches are used to prevent tampering with equipment and to protect personnel. They monitor people entering hazardous areas. When somebody attempts to open a protected door, the hinge switch will disconnect the power to the equipment inside, so that nobody gets hurt and the machinery cannot be damaged.

Types of hinge switches

Different hinge switches are designed for use with different pieces of equipment, so they may differ in size and capacity. The trigger angle range can differ substantially, as well as the maximum current and voltage they can be used with. Some hinge switches can be load-bearing, while others are not.


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Description Price Range Series Lock Style Normal State Configuration Maximum Current Maximum AC Voltage Maximum DC Voltage Number of Cable Entries Size of Cable Entries Conduit Entry Shaft Length Trigger Angle Range Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 691-8190
Mfr. Part No.3SE5112-0LU22
BrandSiemens
SGD128.55
Each
units
SIRIUS 3SE5 Hinge 2NO/NC 6 A 400V 230V 1 M20 x 1.5 M20 50mm - -25°C +85°C
RS Stock No. 136-3215
Mfr. Part No.6186800324
SGD104.42
Each
units
- I88 - 2NC 5 A 240V - 1 M20 x 1.5 M3 - ±3.5° -30°C +80°C
RS Stock No. 360-4374
Mfr. Part No.XCSPR551
SGD81.15
Each
units
Preventa XCS Hinge NO/NC 6 A 240V 250V 1 PG11 PG11 30mm -25°C +70°C
RS Stock No. 764-4171
Mfr. Part No.3SE5212-0LU22
BrandSiemens
SGD105.04
Each
units
SIRIUS 3SE5 Hinge NO/2NC 3 A dc, 6 A ac 230V 230V 1 M20 x 1.5 M20 - 10° -25°C +85°C
RS Stock No. 136-3180
Mfr. Part No.6019390064
SGD310.56
Each
units
- SHS3 Hinge NO, 2NC 5 A 230V 24V 1 M6 x 4 M6 63mm ±3 (NC) °, 9 (NO) ° -25°C +70°C
RS Stock No. 193-5799
Mfr. Part No.T5C 236-11Z
BrandSchmersal
SGD104.75
Each
units
- TC 236 Hinge NO/NC 4 A 230V 24V 1 M20 x 1.5 M20 70mm 12.5° -30°C +80°C
RS Stock No. 466-1211
Mfr. Part No.SHS-0Z
SGD53.20
Each
units
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