9 Hazardous-Location Manual Motor Switches - Grainger Industrial Supply

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Product Categories
Electrical
Motor Controls
Drum & Motor Switches
Hazardous-Location Manual Motor Switches
9 Hazardous-Location Manual Motor Switches

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Hazardous Location Specification

Class I, Div 1, Group B, C, D are for hazardous locations where flammable gases or vapors may be present during normal operations. Class I hazards are commonly found in petroleum refineries, fuel dispensaries, sewage treatment plants, and processes using chemicals, paints, coatings, or sealants. This rating indicates the electrical device is suitable for use with the following hazardous materials: Group B (hydrogen, butadiene, ethylene oxide, propylene oxide, and acrolein), Group C (ethylene, cyclopropane, and ethyl ether), and Group D (acetone, ammonia, benzene, butane, ethanol, gasoline, hexane, methane, methanol, naphtha, natural gas, propane, and toluene).
Class I, Div 1 and 2, Group C, D are for hazardous locations where flammable gases or vapors may be present during normal operations, normally confined, or not present in ignitable concentrations. Class I hazards are commonly found in petroleum refineries, fuel dispensaries, sewage treatment plants, and processes using chemicals, paints, coatings, or sealants. This rating indicates the electrical device is suitable for use with the following hazardous materials: Group C (ethylene, cyclopropane, and ethyl ether) and Group D (acetone, ammonia, benzene, butane, ethanol, gasoline, hexane, methane, methanol, naphtha, natural gas, propane, and toluene).
Class II, Div 1, Group E, F, G are for hazardous locations where combustible dust is present during normal operations. Class II hazards are commonly found in pharmaceutical factories, coal-handling plants, grain elevators, and plants processing flour, feed, or powder. This rating indicates the electrical device is suitable for use with the following hazardous materials: Group E combustible dust (aluminum, commercial alloys, and magnesium), Group F combustible dust (carbon black, charcoal, coal, and coke dust), and Group G combustible dust (chemicals, flour, grain, plastic, and wood).
Class II, Div 1 and 2, Group E, F, G are for hazardous locations where combustible dust is present during normal operations, normally confined, or not present in ignitable concentrations. Class II hazards are commonly found in pharmaceutical factories, coal-handling plants, grain elevators, and plants processing flour, feed, or powder. This rating indicates the electrical device is suitable for use with the following hazardous materials: Group E combustible dust (aluminum, commercial alloys, and magnesium), Group F combustible dust (carbon black, charcoal, coal, and coke dust), and Group G combustible dust (chemicals, flour, grain, plastic, and wood).
Class III, Div 1 and 2 are for hazardous locations where ignitable fibers or flyings may be present during normal operations, normally confined, or not present in ignitable concentrations. Class III hazards are commonly found in textile mills, lumber mills, and other plants with airborne fibers or sawdust.

Class I, Div 1, Group B, C, D
Class II, Div 1, Group E, F, G

Number of Poles

This refers to the total number of circuits on an electrical device.

Phase

Refers to the distribution of an electrical load. Single-phase power is a two-wire alternating current (AC) power circuit. It accommodates light loads and is commonly found in homes and offices. Three-phase power is a three-wire AC power circuit. It accommodates higher loads and is commonly found in commercial and industrial buildings.

Single
Three

Max Current (AC)

This refers to the maximum amount of alternating current an electric device is designed to handle continuously without risking the deterioration of its components.

20 A
30 A

Hub Type

Dead End have one hole where cables enter and exit. They provide room inside them to splice, tap, and terminate conductors.
Feed Through have two in-line holes where cables enter through one and exit the other. They're used to route wires and have room inside them to splice and tap conductors.

NEMA Enclosure Rating

3 is a safety rating for indoor and outdoor electrical enclosures that specifies a degree of protection against incidental contact, against the entry of solid objects (falling dirt, windblown dust) or water (snow, rain), and against exterior ice formation.
3R is a safety rating for indoor and outdoor electrical enclosures – often called rain-tight or rain-proof – that specifies a degree of protection against incidental contact, against the entry of solid objects (falling dirt, windblown dust) or water (rain, snow), and against exterior ice formation.
7 is a safety rating for indoor electrical enclosures that are constructed to keep internal explosions contained when present in hazardous locations.
9 is a safety rating for indoor electrical enclosures that protect against the entry of solid objects (falling dirt, settling dust/lint) that could cause an explosion when present in hazardous locations.

Price

Min

Only digits are allowed. Maximum amount of digits: 6.

Max

Only digits are allowed. Maximum amount of digits: 6.

Hazardous-Location Manual Motor Switches

Available3 products

Hazardous-location manual motor switches provide control of motors in environments where the possibility of flammable gases, vapors, or liquids, ignitable fibers or flyings, or combustible dust may exist under normal and abnormal conditions. They have location ratings that classify their designated operating environment and must be mated with compatible, hazardous-location devices to comply with safety standards. Motor switches have toggle switches that operators manually flip to turn power on and off to motors.

NEMA Enclosure Rating

Enclosed Hazardous-Location Manual Motor Switches

These hazardous-location manual motor starters have enclosures that protect their internal components from impacts, debris, and dust. They provide electrical connections in hazardous environments where the possibility of flammable gases, vapors, liquids, ignitable fibers or flyings, or combustible dust may exist under normal and abnormal conditions. They include location ratings that classify their suitable environment for operation and have toggle switches that operators flip up and down to turn the power on and off to motors.

2 Pole / Single Phase Switches

Enclosed Hazardous-Location Manual Motor Switches 2 Pole / Single Phase Switches, sorted by Max Current (AC), ascending


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3 Pole / Three Phase Switches

Enclosed Hazardous-Location Manual Motor Switches 3 Pole / Three Phase Switches, sorted by Max Current (AC), ascending


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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.

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Enclosed Hazardous-Location Manual Motor Switches

2 Pole / Single Phase Switches

3 Pole / Three Phase Switches