Ocean
Please enter a search term.
- Log In
  
  User Name
  
  Password
  
  Remember Me
  
  Forgot Password?
- Register

Home
Services and Solutions
Services
Brands
Generators
Special Offers
Resources
Locations
About Us
Log In

Please enter a search term.

Shop

Adhesives, Chemicals & Lubricants Conduit, Raceway & Cable Support Control & Automation Data & Communication Electric Vehicle Charging Electrical Fittings Electrical Boxes & Covers Electric Utility & Outside Plant Products Enclosures Fasteners & Hardware Heat, Ventilation & Builder Products HVAC Lighting & Lighting Controls Office & Packaging Supplies Power Distribution Power Sources & Motors Safety Products Solar Products Tools & Instruments Welding & Soldering Wire Termination & Supplies Wire, Cords & Cables Wiring Devices

Adhesives, Chemicals & Lubricants

Adhesives

Adhesives Accessories

Anti-Oxidant Joint Compound

Cement

Duct Seal Compounds

Electrical Sealing Compounds

View All

Chemicals

Aerosol Dusters

Anti-Seize

Cleaners & Degreasers

Corrosion Inhibitors

De-Icer

View All

Cleaning Supplies

Absorbent Pads & Rolls

Cleaning Pads

Garbage Bags & Containers

Mats

Paper Products

View All

Oils & Lubricants

Lubricants

Oils

Paints & Coating

Coating

Masking Products

Paints

Tape & Pads

Double-Sided Tapes

Duct Tapes

Electrical Color Code Tapes

Masking Tapes

Mastic Pads

View All

Conduit, Raceway & Cable Support

Cable Tray & Accessories

Wire Mesh / Basket Cable Tray

Wire Mesh / Basket Cable Tray Fittings

Wire Mesh / Basket Cable Tray Accessories

Ladder Cable Tray

Ladder Cable Tray Fittings

View All

Conduit

Metallic Conduit

Non-Metallic Conduit

Raceway Systems

Overfloor

Raceway Pre-Wired

Surface Raceway

Strut & Accessories

Single-Sided Strut

Double-Sided Strut

Strut Fittings & Accessories

Angles

Rooftop Support Blocks

Wireways, Fittings & Accessories

Wireways

Wireway Fittings & Accessories

Wiring Ducts, Fittings & Accessories

Wiring Ducts

Wiring Duct Fittings & Accessories

Control & Automation

Alarms & Signaling

Alarms

Beacons

Combination Light & Sound Devices

Door Openers

Horns & Sirens

View All

Automation Control Connectivity Devices

Control System Connection Cables

Control System Receptacles

Field Attachable Connectors

Drive Accessories

Drive Miscellaneous Parts & Accessories

Line and Load Reactors

Motor Drive Keypads & Accessories

Drives

AC Drives

Machine Safety

Safety Control Modules

Safety Switches

Motor Controls & Accessories

Contactors & Starters

Motor Control Parts & Accessories

Pump Control Panels

Pilot Devices

Contact Blocks

Emergency Stop Devices

Indicator Pilot Lights

Joystick Operators

Legend Plates

View All

PLCs & HMI

HMI

PLC

Software

Relay & Timers

Relays

Timers

Sensors & Switches

Sensors

Switches

Terminal Blocks & Connectors

Din Rail Terminal Blocks

PCB Pluggable Connectors

Terminal Block Accessories

Data & Communication

Audio & Video Systems

Audio & Video System Accessories

Audio Amplifiers

Speaker Accessories

Speakers

Wireless Audio Systems

Copper Connectivity

A/V Connectors

Connector Components & Accessories

Cross-Connect System

Input/output Connectors

Modular & Ethernet Connectors

View All

Faceplates & Boxes

Accessories

Faceplates

Surface Mount Boxes

Wall Outlets

Fiber Optic Connectivity

Fiber Optic Adapter Panels

Networking Hardware

Wired Networking

Wireless Networking

Racks, Enclosures & Cable Management

Cable Management Panels

Data Cable Support Systems

Enclosure & Cabinet Accessories

Fiber Optic Enclosures

Network Cabinets

View All

Security, Video & Surveillance

Intercoms & Paging Systems

Parts & Accessories

Power Supplies

Electric Vehicle Charging

Electric Vehicle Chargers

Electric Vehicle Charger Accessories

Electrical Fittings

Adapters

ENT Adapters

Fiberglass Adapters

PVC Adapters

Box Spacers

Bulkhead Fittings

Bushings

Rigid Conduit Bushings

Grounding Bushings

EMT Conduit Bushings

Reducing Bushings

PVC Bushings

View All

Caps & Plugs

Metallic Conduit Plugs

PVC/Plastic Conduit Caps

PVC/Plastic Conduit Plugs

Clamps, Hangers, Straps & Supports

Beam Clamps

Conduit Clips & Clamps

Conduit Repair Kits

Conduit Spacers

Conduit Supports

View All

Combination Fittings

EMT To Flex. Combination Fittings

EMT To Liquid Tight Combination Fittings

EMT To Rigid Combination Fittings

Rigid To Flex, Combination Fittings

Rigid To Liquid Tight Combination Fittings

Concrete Inserts & Sleeves

Conduit Body, Covers, & Gaskets

Metallic Conduit Body, Covers, & Gaskets

PVC Coated Conduit Body, Covers, & Gaskets

PVC Conduit Body, Covers, & Gaskets

Conduit Hubs

Rigid Conduit Hubs

PVC Coated Rigid Conduit Hubs

Conduit Locknuts

Conduit Plugs

Conduit Unions

Conduit Washers

Reducing Washers

Sealing Washers

Connectors

EMT Connectors

Colored EMT Connectors

ENT Connectors

Flexible Metallic Conduit (FMC) Connectors

Flexible Non-Metallic Conduit (FNMC) Connectors

View All

Cable Grips / Cord Connectors

Strain Relief Grips

Support Grips

Cord Connectors - Metallic

Cord Connectors - Non-Metallic

Couplings

EMT Couplings

Colored EMT Couplings

ENT Couplings

Flexible Metallic Conduit Couplings

PVC Couplings

View All

Elbows

EMT Elbows

Rigid Elbows

PVC Elbows

PVC Coated Elbows

Fiberglass Elbows

End Bells

Expansion Fittings

EMT Expansion Fittings

Rigid Expansion Fittings

PVC Expansion Fittings

PVC Coated Expansion Fittings

Hazardous Location Fittings

Cable Glands

Capped Pulling Elbows

Conduit Adapters

Conduit Couplings

Conduit Elbows

View All

Knockout Seals & Plugs

Meter Risers

Nipples / Offsets

Closed Nipples

Straight Nipples

Chase Nipples

Offset Nipples

Running Thread

View All

Pennies

Service Entrance Fittings

Mast Kits

Service Entrance Caps

Sill Plates

Stubs

Electrical Boxes & Covers

FS / FD Boxes & Covers

Metallic FS / FD Boxes

Metallic FS / FD Box Covers

Non-Metallic FS / FD Boxes

Non-Metallic FS / FD Box Covers

PVC Coated FS / FD Boxes

Communication & Low Voltage

Electrical Box Extension & Brackets

Electrical Box Brackets

Electrical Box Extensions

Electrical Box Partitions

Fire Rated Poke Through Boxes

Floor Boxes, Covers & Carpet Flanges

Floor Boxes

Floor Box Covers

Flanges

Floor Box Accessories

Junction Boxes & Covers

Junction Boxes

Junction Box Covers & Accessories

Masonry Boxes

Octagon/Round Boxes & Covers

Metallic Octagon Boxes

Metallic Round Boxes

Metallic Round/Octagon Covers

Non-Metallic Octagon Boxes

Non-Metallic Round Boxes

View All

Outlet/Switch Boxes & Covers

Metallic Outlet/Switch Boxes

Metallic Outlet/Switch Covers

Non-Metallic Outlet/Switch Boxes

Non-Metallic Outlet/Switch Covers

Square Boxes & Covers

4" Square Boxes

4" Square Surface Covers

4-11/16" Square Boxes

4-11/16" Square Surface Covers

TV / Specialty Boxes

Utility Enclosures & Covers

Utility Enclosures

Utility Enclosure Covers

Vaportight / Airtight Boxes

Weatherproof Boxes, Covers, & Accessories

Weatherproof Boxes

Weatherproof Covers

Weatherproof Accessories

Box Hardware & Accessories

Gaskets

Grounding Devices & Accessories

Hangers

Spacers & Shims

Supports

Electric Utility & Outside Plant Products

Arrestors & Cutouts

Arresters

Utility Anchors

Anchor Rods

Utility Connectors

Distribution/Transmission

Grounding Products

Utility Hardware

Mounts & Brackets

Riser & U Guard

Utility Fasteners

Wireholders

Utility Insulators

Insulator Clevis

Insulator Pins & Studs

Specialty Insulators

Spool Insulators

Standoff & Bus Support Insulators

Utility Switches

Switches Components & Accessories

Vacuum Loadbreak Switches

Utility Tools

Hot Sticks

Enclosures

Circuit Breaker Enclosures

Covers, Backplates & Accessories

Current Transformer Cabinets

Enclosure Panels

Explosion-Proof Enclosures

Metallic

Latch-Lock & Handles

Pilot Device Enclosures

Metallic

Non-Metallic

Telephone Cabinets

Thermal Management

Coolers & Air Conditioners

Enclosure Heaters

Enclosure Thermal Controls

Fan Parts & Accessories

Filter Fans

Underground Enclosures & Boxes

Non-Metallic

Wall Mount Enclosures

Metallic

Non-Metallic

Metering Cabinets

Pull Boxes

Fasteners & Hardware

Assortment Kits

Anchor Kit

Bolt, Screw & Stud Kit

Nut & Washer Kit

Other Fastener Kit

Chain, Cable, Rope & Accessories

Chains

Fittings & Accessories

Ropes

Tie Wires

Tie-Down Straps

Fasteners

Bolts, Screws & Studs

Nuts & Washers

Hardware

Anchors

Braces and Brackets

Nail Plates

Miscellaneous Fasteners

Grommets

Powder Fastening Products

Rivets

Spring Steel Fasteners

Staples

Power Transmission

Sheaves

PVF (Pipes, Valves, Fittings)

Pipe Support

Valves

Heat, Ventilation & Builder Products

Air Circulators

Axial Fans

Blowers, Motors & Accessories

Ceiling Fans

Table/Floor Fans

Central Vacuum Systems

Hoses & Accessories

Inlets & Fittings

Tools & Attachments

Vacuum Bags & Filters

Controls & Thermostats

Fan Controls & Switches

Non-Programmable Thermostats

Programmable Thermostats

Thermostat Accessories

Doorbells & Chime Kits

Ducting & Venting

Duct Clamps

Duct Fittings

Flexible Ducts

Rigid Ducts

Roof Flashings

View All

Electric Heating

Convection Heaters

Fan Forced Heaters

Floor Warming

Heater Parts & Accessories

Ice & Snow Melting

View All

Exhaust & Ventilation

Attic Ventilators

Bathroom Fan

Housing & Grill Assembly

In-Line Ventilation Fans

Range Hoods

View All

HVAC

Mini-Splits

Indoor Mini-Split Units

Outdoor Mini-Split Units

Mini-Split Line Sets

Mini-Split Mounting Solutions

Mini-Split Tools & Accessories

Lighting & Lighting Controls

Ballasts, Starters & Capacitors

Capacitors

Fluorescent Ballasts

HID Ballasts

Lamp Starters

LED Drivers

Emergency Lighting & Exit Signs

Emergency Lighting Fixtures

Emergency Lighting Lamp Heads

Emergency Lighting Relay Controls

Emergency Lighting Standby Power Systems

Emergency Lighting Batteries

View All

Fixtures

Hazardous Location & Vapor Tight Fixtures

Indoor Lighting Fixtures

Outdoor Lighting Fixtures

Replacement Lens & Wire Guards

Flashlights & Multi-Location Lights

Flashlights & Multi-Location Light Accessories

Handheld Flashlights

Headlamps

Strip/Rope Lights

Work Lights

Lamps

Compact Fluorescent Lamp (CFL)

Fluorescent Tubes

Halogen Bulbs

HID Bulbs

Incandescent Bulbs

View All

Lighting Controls & Accessories

Dimming Modules

Interface Modules

Lighting Control Panels

Lighting Control Switches

Motion Sensors

View All

Work Lights

Docklights

Portable Work Lights

Temporary Work Lights

String Lights

Flashlights & Headlamps

Handheld Flashlights

Flashlight Accessories

Headlamps

Office & Packaging Supplies

Decor

Wall Mirrors

Office Supplies

Computer Equipment

Power Distribution

Busway & Accessories

Bus Plugs

Busway Fittings

Busway Tap Off Units

Busways

Circuit Breakers

Low Voltage Power Circuit Breakers

Medium Voltage Power Circuit Breakers

Miniature Circuit Breakers

Residential Circuit Breakers

Circuit Breaker Accessories

Disconnect & Safety Switches

Fusible Safety Switches

Non-Fusible Safety Switches

Safety Switch Accessories

Transfer Switches

Fuses

British & IEC Fuses

Current-Limiting Fuses

Dummy Fuses

Fuse Accessories

Fuse Blocks & Holders

View All

Grounding & Bonding Products

Busbars

Busbar Supports

Busbar Spacers & Accessories

Flexible Braid Connectors

Ground Rods

View All

Load Centers

Load Center Accessories

Load Center Covers

Load Center Interiors

Pool & Spa Panel

Single Phase Convertible Load Centers

View All

Metering

Meter Parts & Accessories

Metering Sockets

Meters

Terminal/Tap Boxes

Panelboards & Accessories

Main Breaker Kits

Main Lug Kits

Panelboard Enclosures

Panelboard Interiors

Panelboard Parts & Accessories

View All

Surge Protection

Circuit Breaker SPD

External Load Center SPD

Switchboards & Accessories

Switchboard Parts & Accessories

Temporary Power

Metered Power Outlet Panels

Power Outlet Panel & Pedestal Accessories

Unmetered Power Outlet Panels

Terminal Blocks, Taps & Strips

Terminal Block Accessories

Terminal Block Marker

Terminal Blocks

Terminal Strips

Transformers

Buck Boost Transformers

Control Power Transformers

Current Transformers

Encapsulated Transformers

Isolation Transformer

View All

Power Sources & Motors

Batteries & Chargers

Battery Accessories

Non-Rechargeable Batteries

Product-Specific Batteries

Rechargeable Batteries

Generators & Accessories

Portable Generators

Standby Generators

Generator Accessories

Motors & Accessories

Motor Accessories

Motors

Power Supplies

DC Power Supplies

Uninterruptible Power Supplies

Safety Products

Electrical Safety

Insulating Blankets

Fire Safety

Alarms and Suppression Systems

Carbon Monoxide Alarms

CO & Smoke Combination Alarms

Covers

Fire Barriers

View All

First Aid & Wound Care

Blankets

Diagnostic Equipment

Face Masks

First Aid Kits

Lockout/Tagout

Cable Lockouts

Electrical Lockouts

Keyed Locks

Lockout Boxes

Lockout Hasps

View All

Personal Hygiene Products

Hand Sanitizers

Personal Protective Equipment

Boots, Shoes, & Foot Protection

Ergonomic Support Aids

Eye Protection & Accessories

Fall Protection

Gloves & Hand Protection

View All

Coolers, Tumblers & Hydration

Coolers & Accessories

Bottled Water & Sports Drinks

Drink Tumblers

Safety Apparel

Electrical-Protection Clothing

Flame Resistant & Arc Flash Clothing

High-Visibility Clothing

Protective Cooling

Rainwear Clothing

View All

Safety Signs & Labels

Labels and Markers

Signage and Identification Accessories

Signs and Tags

Spill Containment

Environmental & Industrial Oil Sorbents

Traffic Control Products

Barriers and Safety Tapes

Solar Products

Balance of Systems

Combiner Box

Connectors

Pass Through Boxes

Surge Protection

Solar Labels

View All

Inverters

Accessories

Microinverters

Racking

Clamp

Hardware

Rail

Splice

Wire Management

Photovoltaic Wires (PV)

Tools & Instruments

Abrasives

Abrasive Files

Abrasive Pads

Abrasive Rolls

Abrasive Sheets

Abrasive Wheels

Brushes

Handheld Brushes

Cleaning Tools

Brooms

Dust Pans

Dusters

Floor Pads

Vacuum Cleaners

Dispensing Tools

Dispensing Equipment Accessories

Sprayers

Fish Tapes & Conduit Tools

Conduit Bender Accessories

Conduit Deburring Tools

Conduit Heaters

Fish & Glow Rods

Fish Tape Accessories

View All

Hand Tools

Automotive Specialty

Bottle Openers

Cable Tie Tools

Caulking Gun

Deburring Tools

View All

Inspection Equipment

Magnifiers

Ladders, Platforms and Scaffolding

Ladders

Work Platforms

Power Tools & Attachments

Attachments

Corded Power Tools

Cordless Power Tools

Drain Cleaners

Hydraulic Tools

View All

Storage & Material Handling

Casters & Wheels

Lifting & Rigging

Manual Handling

Material Lifting

Sheeting

View All

Testing Instruments

Borescope

Cable Length Meters

Circuit Tracers

Clamp Meters

Continuity Testers

View All

Tool Kits & Reference Manuals

Reference Manuals

Tool Kits

Utility Indicators & Instruments

Buried Markers & Locators

Watering Equipment

Garden Hoses and Nozzles

Workholding

Clamping Hardware

Welding & Soldering

Exothermic Welding

Controllers

Gas Welding Equipment

Fuel Cylinders

Soldering

Soldering Irons, Guns & Pots

Welding Accessories

Welding Consumables

Weld Materials

Welding Helmets & Welding Protection

Welding Helmet Accessories

Welding Supplies

Flint Ignitors

Welding Links & Clamps

Wire Termination & Supplies

Bundling & Securing

Cable Clips, Clamps & Straps

Cable Hooks, Hangers & Stackers

Cable Staples

Cable Tie Mounting Bases

Cable Ties

View All

Cold & Heat Shrink

Cold Shrink

End Caps

Heat Shrink Boots

Heat Shrink Kits

Heat Shrink Tubing

Grounding Products

Grounding Bridges

Grounding Grid Connectors

Lugs & Connectors

Compression Lugs

Compression Sleeves

Insulation Piercing Connectors

Mechanical Lugs

Multi-Tap Connectors

View All

Marking & Labeling

Clip-On/Slip-On Wire Markers

Heat Shrink Wire Markers

Label Printers

Printer Label Cartridges

Wire Marker Dispensers

View All

Small Crimp & Wire Connectors

Butt Connectors

Crimp Connectors

Disconnects

Ferrules

Fork Terminals

View All

Splicing & Terminating Kits

Resin Splices

Splice Kits

Welded Connections

Molds - Busbar to Busbar

Molds - Cable to Cable

Molds - Cable to Ground Rods

Molds - Cable to Lug or Busbar

Molds - Cable to Rebar

View All

Wire, Cords & Cables

Aluminum Building Wires & Cables

Aluminum Service Drop

RHH/RHW/USE Underground Service Entrance Cables

SER Service Entrance Cables

SEU Service Entrance Cables

THHN

View All

Copper Building Wires & Cables

Bare Copper Wire

NM Non-Metallic Sheathed Cables

Photovoltaic Wires (PV)

RHH/RHW/USE Underground Service Entrance Cables

SER Service Entrance Cables

View All

DataComm & Low Voltage Cable

Fire Alarm Cables

Thermostat Wires

Voice, Data & Video Cables

Extension Cords, Cord Reels & Portable Boxes

Appliance / Power Supply Cords

Cord Reels

Indoor & Outdoor Extension Cords

In-Line GFCI Cords

Flexible & Portable Cords

SEO/SEOW/SEOOW Portable Cord - 600V Thermoplastic Elastomer Jacket

SJEO/SJEOW/SJEOOW Portable Cord - 300V Thermoplastic Elastomer Jacket

SJO/SJOW/SJOOW Portable Cord - 300V Thermoset Rubber Jacket

SJT/SJTW/SJTO/SJTOW/SJTOOW Portable Cord - 300V Thermoplastic Jacket

SO/SOW/SOOW Portable Cord - 600V Thermoset Rubber Jacket

View All

Hook-Up, Lead & High Temperature Wires

MTW Machine Tool Wires

Metal Clad & Armored Cables

Aluminum AC Cables

Aluminum MC Cables

Fire Alarm MC Cables

HCFC Health Care Facilities MC Cables

PCS Power & Control/Signal MC Cables

View All

Mining Cables

DLO Cables

Tray Cables & Instrumentation Cables

VNTC Vinyl Nylon Tray Cables

Wiring Devices

Combination Devices

Receptacle / Light

Receptacle / Receptacle

Switch / Light

Switch / Receptacle

Switch / Sensor

View All

Daylighting Controls

Ceiling Mount

Fixture Mount

Recessed Mount

Wall Mount

Occupancy & Vacancy Sensors

Box Mount

Ceiling Mount

Fixture Mount

Wall Mount

Wireless Sensors

View All

Plugs & Connectors

Flanged Devices

Pin & Sleeve Devices

Single Pole Devices

Straight Blade Devices

Twist Lock Devices

Power Strips & Multi-Outlet Converters

Converters & Adapters

Power Column & Poles

Power Strips

Surge Protective Devices

Receptacles

GFCI & AFCI

Pin & Sleeve

Receptacle & Switch Wiring Modules

Receptacle Accessories

Single Pole Female Receptacles

View All

Switches

Appliance Switches

Nightlights

Wall Switches

Wall & Switch Plates

Metal Wall Plates

Nylon/Plastic Wall Plates

Stainless Steel Wall Plates

Weatherproof / Dustproof Wall Plates

Wallplate Inserts
Services
Brands
Generators
Special Offers
Resources
Locations
About Us

Manage Cookies

We use essential cookies to make our site work. With your consent, we may also use non-essential cookies to improve user experience and analyze website traffic. By clicking “Accept All,” you agree to our website's cookie use as described in our Cookie Policy, or you can modify your preferences before proceeding.

Necessary Analytics Preferences Marketing

Safety Limit Switches

Filters (0)

Categories

< Return to Safety Switches
Safety Limit Switches (49)

More Filters

Crouse-Hinds (4)
Cutler-Hammer / Eaton (2)
Edwards Signal (3)
Killark (1)
Schmersal (3)
Siemens (29)
Square-D / Schneider (5)
TES Electric (1)
- Woodhead (1)

AFA (1)
AFU/AFUX (1)
Brad® Mini-Change®, Super-Safeway (1)
XCSM (1)

3.82 Inch (4)
3.08 Inch (3)
3.31 Inch (3)
3.05 Inch (2)
4.65 Inch (2)
5.83 Inch (2)
1.18 Inch (1)
1.65 Inch (1)

1.66 Inch (4)
1.93 Inch (2)
2-1/2 Inch (1)
2.64 Inch (4)
3.9 Inch (1)
3.78 Inch (1)
4.26 Inch (1)
5.4 Inch (1)

Germany (27)
China (1)

125/250 VAC (1)
600 Volt (2)

IP65 (1)
Weather Resistant (1)

4 Bolts M6 (1)
Miniature DIN Rail (1)

15 Amp (2)

Plastic (1)

Iron (1)
Metal (1)

1 Pole (1)
3 Pole (1)

16 MM,30 MM,70-70 MM (1)

Yellow (1)

49 Products found of 5

Results per page

Product image for Siemens 3SE51120BD02 M20 x 1.5 Metal 1NO 1NC Slow Action Roller Plunger Limit Switch

Siemens 3SE51120BD02 M20 x 1.5 Metal 1NO 1NC Slow Action Roller Plunger Limit Switch

Manufacturer: Siemens

Catalog #: 3SE51120BD02

Cooper Electric Part #: 1037568

$249.74 /ea

ea

Compare

49 Products found of 5

Results per page

Compare

Customer Tools

Contact Us
(732) 747-2233
Credit Application
Mobile App
Subscribe

Company Info

Careers
About
Terms & Conditions
Privacy
Manage Cookies