Thermal Protectors | McMaster-Carr

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Fuse UL Class

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EAR99

DFARS Specialty Metals

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Number of Poles

Breakthrough Current @ Voltage

100,000 amp @ 150V AC

Material

Rock Wool/Mineral Fiber/Clay/Filler

Rubber

Horsepower @ Switching Voltage

Electrical Phase

3,349 Products

Electrical

Motor Starters

Turn motors on and off and protect them from current overloads

422 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

10 products

Fuses

Stop the flow of electricity when there's a circuit overload or short; replace after each break

1,046 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

413 products

Electrical Enclosure Inspection Windows

View components without exposing them to dust and moisture

6 products

Thermal Control Coatings

Give off almost no volatile emissions that could damage sensitive electronics and optics

1 product

Heating, Ventilation, and Air Conditioning

Thermal Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

251 products

Pipe Insulation Banding

Strap around pipe insulation to keep it in place

14 products

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

888 products

Insulation Fill

Blow into walls to fill gaps in existing insulation, or mix as a filler in insulating cement

1 product

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

151 products

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

15 products

Fabricating and Machining

Firebricks

Insulate furnaces to minimize heat loss while adding flame resistance

14 products

Fluid Handling

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

5 products

Material Handling

Envelopes

Standard, bubble-lined, and paper-padded for mailing or shipping documents and other items

0 products

Bubble Wrap

Air bubbles cushion fragile items better than foam to protect them while shipping and storing

1 product

Shipping Box Liners

Line cardboard boxes to keep the items inside at a consistent temperature

13 products

Facility and Grounds Maintenance

Sink Pipe Covers

Prevent burns from hot water pipes

3 products