Safety Limit Switches

Limit switches operate with the movement of machinery, opening or closing the circuit when movement is detected. Safety limit switches provide a level of risk reduction over regular limit switches, as they have a positive actuation structure, which means that if a fault occurs they will stop conducting the electrical load.

What are safety limit switches used for?

Safety limit switches are used in industrial settings to reduce the risk factor in the event of overcurrent or electrical faults. This can be useful in a wide range of applications, from heating and ventilation to the operation of heavy machinery, where normal limit switches might provide a risk if they continued to conduct electricity in the event of a fault.

Types of safety limit switches

Safety limit switches mainly differ by the type of actuator they have. This can be a hinge, roller, rod or push bolt, for example.They can also vary by the number of contacts and cable entries that they have.


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Description Price Actuator Type Actuator Included Normal State Configuration Action Type IP Rating Connection Type Housing Material Number of Cable Entries Number of Contacts Size of Cable Entries Pole and Throw Configuration Series Depth Dimensions
RS庫存編號 258-8170
製造零件編號GSAC20A1B
BrandHoneywell
HK$1,086.98
單位
Rotary Yes 2NO/2NC Snap - Screw Metal - 4 M20 x 1.5 4P GSS 55.9mm 145.8 x 42 x 55.9 mm
RS庫存編號 258-8192
製造零件編號GSAC20B
BrandHoneywell
HK$1,017.60
單位
Plunger Yes 2NO/2NC Snap - Screw Metal - 4 - 4P GSS 42mm 145.8 x 42 x 42 mm
RS庫存編號 258-8259
製造零件編號GSAC21C
BrandHoneywell
HK$1,009.08
單位
Plunger Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8091
製造零件編號GSAC01C
BrandHoneywell
HK$701.56
單位
Plunger Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8209
製造零件編號GSAC20C
BrandHoneywell
HK$1,017.60
單位
Plunger Yes 2NO/2NC Snap - Screw Metal - 4 M20 x 1.5 4P GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8063
製造零件編號GSAC01A1B
BrandHoneywell
HK$838.91
單位
Roller, Rotary Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 55.9mm 145.8 x 42 x 55.9 mm
RS庫存編號 311-0273
製造零件編號GSAC40C
BrandHoneywell
HK$1,140.92
單位
Plunger Yes 4NC Slow - Screw Metal - 4 M20 x 1.5 4P GSS 42mm 141 x 42 x 42 mm
RS庫存編號 293-7011
製造零件編號GSAC06C
BrandHoneywell
HK$973.32
單位
Plunger Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8120
製造零件編號GSAC04A1B
BrandHoneywell
HK$829.45
單位
Roller, Rotary Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 55.9mm 145.8 x 42 x 55.9 mm
RS庫存編號 311-0330
製造零件編號GSAC46C
BrandHoneywell
HK$1,142.19
單位
Plunger Yes 4NC Slow - Screw Metal - 4 M20 x 1.5 4P GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8085
製造零件編號GSAC01B
BrandHoneywell
HK$691.13
單位
Plunger Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 55.9mm 145.8 x 42 x 55.9 mm
RS庫存編號 311-0245
製造零件編號GSAC40A1B
BrandHoneywell
HK$1,141.36
單位
Roller, Rotary Yes 4NC Slow - Screw Metal - 4 M20 x 1.5 4P GSS 55.9mm 145.8 x 42 x 55.9 mm
RS庫存編號 258-8215
製造零件編號GSAC20D
BrandHoneywell
HK$970.37
單位
Roller Arm Yes 2NO/2NC Snap - Screw Metal - 4 M20 x 1.5 4P GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8158
製造零件編號GSAC04C
BrandHoneywell
HK$829.61
單位
Plunger Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8164
製造零件編號GSAC04D
BrandHoneywell
HK$877.52
單位
Roller Arm Yes NO/NC Slow - Screw Metal - 2 M20 x 1.5 DP GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8221
製造零件編號GSAC21A1B
BrandHoneywell
HK$1,008.94
單位
Roller, Rotary Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 55.9mm 145.8 x 42 x 55.9 mm
RS庫存編號 258-8265
製造零件編號GSAC21D
BrandHoneywell
HK$1,045.68
單位
Roller Lever Yes 2NC/2NO Snap IP67 Screw Metal - 4 - DPDT GSS 42mm 141 x 42 x 42 mm
RS庫存編號 293-6989
製造零件編號GSAC06A1B
BrandHoneywell
HK$838.91
單位
Roller, Rotary Yes 2NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 55.9mm 145.8 x 42 x 55.9 mm
RS庫存編號 258-8108
製造零件編號GSAC01D
BrandHoneywell
HK$782.08
單位
Plunger Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 42mm 141 x 42 x 42 mm
RS庫存編號 258-8142
製造零件編號GSAC04B
BrandHoneywell
HK$745.20
單位
Roller, Rotary Yes NO/NC Snap - Screw Metal - 2 M20 x 1.5 DP GSS 55.9mm 145.8 x 42 x 55.9 mm