- Catalog
- Find A Branch
- KeepStock
- Help
- 1-800-GRAINGER
Register
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order LookupAll Products
Unrelated Links
Product Categories
- All Product Categories
- Abrasives
- Adhesives, Sealants and Tape
- Cleaning and Janitorial
- Electrical
- Electronics & Batteries
- Fasteners
- Fleet & Vehicle Maintenance
- Furnishings, Appliances & Hospitality
- HVAC and Refrigeration
- Hardware
- Hydraulics
- Lab Supplies
- Lighting
- Lubrication
- Machining
- Material Handling
- Motors
- Office Supplies
- Outdoor Equipment
- Packaging & Shipping
- Paints, Equipment and Supplies
- Pipe, Hose, Tube & Fittings
- Plumbing
- Pneumatics
- Power Transmission
- Pumps
- Raw Materials
- Reference and Learning Supplies
- Safety
- Security
- Test Instruments
- Tools
- Welding
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order Lookup
Limit / Interlock Switches
Available578 products
Limit and interlock switches automatically monitor the travel limits of a particular device. They can activate or deactivate power to machinery when travel limits have been exceeded to keep people and equipment safe from malfunctioning machinery.
Heavy Duty Limit Switches, Rotary, No Lever
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Plug-in Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard, Non-Plug-in Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Plunger
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. Suitable for packaging, conveying, material handling, and other industrial applications, they activate or deactivate machine power when travel limits have been exceeded.
Micro Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Rotary, Roller Lever
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Plunger, Roller
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Micro Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Wobble Stick, Coil Spring
Designed with wobble stick actuators, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Heavy Duty Limit Switches, Wobble Stick
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. Designed with wobble stick actuators, they activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Plunger, Roller Lever
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Micro Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Wobble Stick
Designed with wobble stick actuators, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded. Applications include packaging, material handling, conveying, machining, and food and beverage handling.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Heavy Duty Limit Switches, Rotary, Adjustable Roller Lever
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. They activate or deactivate machine power when travel limits have been exceeded. Applications include packaging, material handling, conveying, machining, and food and beverage handling.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Heavy Duty Limit Switches, Plunger, Roller
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Heavy Duty Limit Switches, Plunger
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Hazardous Location Limit Switches, Rotary, No Lever
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly in hazardous environments. They activate or deactivate machine power when travel limits have been exceeded.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Rotary, No Lever
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Plunger, Cross Roller
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Rotary, Adjustable Roller Lever
Designed with compact enclosures, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded. Applications include packaging, material handling, conveying, machining, and food and beverage handling.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Severe Duty Limit Switches, Rotary, No Lever
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in harsh environments. They activate or deactivate machine power when travel limits have been exceeded.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | |||||
General Purpose Limit Switches, Wobble Stick, Cat Whisker
Designed with wobble stick actuators, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded. Applications include packaging, material handling, conveying, machining, and food and beverage handling.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Explosion Proof Limit Switches, Rotary, Roller Lever
These limit switches are designed with flame paths in the housing that cool exploding gases below the ignition temperature before they reach the explosive gases surrounding the housing. Applications include control valves and actuators, petrochemical plants, conveyors, and material handling.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Heavy Duty Limit Switches, Rotary, Roller Lever
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. They activate or deactivate machine power when travel limits have been exceeded. Applications include packaging, material handling, conveying, machining, and food and beverage handling.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Water Proof Limit Switches, Lever, Leaf
Suitable for harsh environments and washdown applications, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Rotary, Adjustable Rod
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Explosion Proof Limit Switches, Plunger
Featuring aluminum bodies, these limit switches are designed with flame paths in the housing that cool exploding gases below the kindling temperature before they reach the explosive gases surrounding the housing. Applications include control valves and actuators, petrochemical plants, conveyors, and material handling.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Hazardous Location Limit Switches, Wobble Stick
Designed with wobble stick actuators, these mechanical limit switches help keep electrical equipment functioning properly in hazardous environments. They activate or deactivate machine power when travel limits have been exceeded.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Hazardous Location Limit Switches, Plunger
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly in hazardous environments. They activate or deactivate machine power when travel limits have been exceeded.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Plunger, Lever
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly. They activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Water Proof Limit Switches, Plunger, Roller
Suitable for harsh environments and washdown applications, these waterproof limit switches feature stainless steel construction, ultra-high-temperature capability, and totally submersible durability. They can be used in amphibious military vehicles, diesel turbochargers, backup alarms, and more.
Micro Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Foundry Duty Limit Switches, Rotary, No Lever
Built to withstand 300° falling sand, these reliable limit switches help keep electrical equipment functioning properly.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | |||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | |||||
Heavy Duty Limit Switches, Rotary, Adjustable Rod
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. They activate or deactivate machine power when travel limits have been exceeded.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Water Proof Limit Switches, Lever, Roller
Suitable for harsh environments and washdown applications, these waterproof limit switches feature sealed wiring, submersible capability, large overtravel capability, and adjustable mounting brackets. They're designed for 1-way vertical and horizontal movement.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Heavy Duty Limit Switches, Wobble Stick, Cat Whisker
Engineered to withstand shock and vibration, these mechanical limit switches help keep electrical equipment functioning properly in a wide range of temperatures. Designed with wobble stick actuators, they activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | |||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | |||||
Hazardous Location Limit Switches, Plunger, Roller
Offering accurate detection and reliable precision, these mechanical limit switches help keep electrical equipment functioning properly in hazardous environments. They activate or deactivate machine power when travel limits have been exceeded.
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Standard Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
General Purpose Limit Switches, Plunger, Ball Bearing
Engineered to withstand shock, vibration, and washdowns, these switches feature precabled wiring and die-cast zinc housing with a bottom exit. They're suitable for use in outdoor environments.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Explosion Proof Limit Switches, Rotary, Adjustable Rod
Featuring aluminum bodies, these limit switches are designed with flame paths in the housing that cool exploding gases below the kindling temperature before they reach the explosive gases surrounding the housing. Applications include control valves and actuators, petrochemical plants, conveyors, and material handling.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||
Explosion Proof Limit Switches, Rotary, No Lever
Featuring aluminum bodies, these limit switches are designed with flame paths in the housing that cool exploding gases below the ignition temperature before they reach the explosive gases surrounding the housing. Applications include control valves and actuators, petrochemical plants, conveyors, and material handling.
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | |||||
Standard Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | |||||
General Purpose Limit Switches, Push Rod
These modular switches are engineered for use in safety applications designed to protect persons or processes. Offering accurate detection and reliable precision, they activate or deactivate machine power when travel limits have been exceeded.
Miniature Body Style - Limit Switch; Side Actuator Location - Limit Switch
| Loading... | ||||||
Miniature Body Style - Limit Switch; Top Actuator Location - Limit Switch
| Loading... | ||||||