Knife Switch
$ 7.88 Original price was: $ 7.88.$ 7.74Current price is: $ 7.74.
The Knife Switch is a durable, manually operated electrical switch designed for controlling the flow of current in low to medium voltage circuits. Featuring a robust metal lever (the “knife”) that pivots into a contact, this switch provides a visible break in the circuit, making it ideal for both safety and operational clarity in laboratory, educational, and industrial electrical applications. Constructed from high-quality, corrosion-resistant materials, the Knife Switch ensures reliable operation and easy maintenance. It is widely used for isolating electrical equipment, testing circuits, and demonstrating electrical principles in academic and research environments.
Knife Switch
Primary Uses
- Electrical and Laboratory Applications
- Used to manually open or close electrical circuits in laboratory experiments.
- Provides a visible disconnect for safe maintenance and circuit testing.
- Commonly used in educational setups to demonstrate electrical circuit principles.
- Ideal for isolating equipment during repair or calibration.
- Facilitates safety by allowing quick disconnection of power supply.
Secondary Uses
- Industrial and Training Settings
- Employed in low voltage industrial control panels for circuit isolation.
- Used in training facilities for hands-on electrical safety education.
- Suitable for temporary circuit connections in prototyping and testing setups.
1.Basic Identification Attributes
- Material: High-grade conductive metals with insulating base materials
- Design: Lever (knife) pivoting to engage or disengage contacts
- Voltage Rating: Suitable for low to medium voltage applications, typically up to 600V
2.Physical & Chemical Properties
- Mechanical Strength: Robust construction for frequent manual operation
- Corrosion Resistance: Metals treated or plated to resist oxidation and wear
- Electrical Conductivity: High-quality contacts ensure minimal resistance and sparking
3.Safety & Hazard Attributes
- Provides visible isolation point for enhanced operator safety
- Manual operation requires proper training to avoid electrical hazards
- Contact points may generate sparks if operated under load
4.Storage & Handling Attributes
- Store in dry, dust-free environments to preserve contact integrity
- Inspect regularly for wear, corrosion, and proper mechanical function
- Handle with insulated tools when performing maintenance on energized circuits
5.Regulatory & Compliance Attributes
- Manufactured in accordance with electrical safety and quality standards
- Suitable for use in laboratories and industrial facilities compliant with relevant electrical codes
6.Environmental & Health Impact
- Components are recyclable; proper disposal of electrical materials recommended
- Designed for long service life reducing electronic waste
Safety Handling Precautions
- Always disconnect power source before operating the switch
- Use personal protective equipment (PPE) such as insulated gloves
- Follow electrical safety protocols during installation and maintenance
First Aid Measures
- In case of electrical shock, disconnect power and seek immediate medical attention
- For minor burns or injuries, clean and treat according to first aid guidelines
Firefighting Measures
- Non-flammable switch components
- Use electrical fire extinguishers such as CO2 or dry chemical extinguishers if electrical fire occurs
Related products
Absorption Tower
An Absorption Tower is a vertical vessel used in industrial processes to remove specific components from gas streams by contact with a liquid solvent. This equipment facilitates mass transfer between the gas and liquid phases, allowing targeted pollutants or valuable compounds to be absorbed efficiently. Absorption Towers are commonly employed in chemical plants, refineries, and environmental control systems for gas scrubbing, purification, and recovery applications. They are designed for optimal gas-liquid contact, often using packing materials or trays to enhance surface area and improve absorption efficiency.
Atomic Model Set
The Atomic Model Set is an educational tool designed to visually demonstrate the structure of atoms and molecules. It consists of color-coded balls representing protons, neutrons, and electrons, connected by rods to simulate atomic bonds. This set is widely used in classrooms, laboratories, and training centers to aid in the teaching of atomic theory, molecular geometry, chemical bonding, and related concepts. Made from durable plastic materials, the set provides a hands-on, interactive experience that enhances understanding of complex scientific principles.
Bare Enamelled Copper Wire
Bare Enamelled Copper Wire is a high-quality electrical conductor coated with a thin layer of insulating enamel. It is widely used in electrical and electronic applications where insulation and durability are required without adding bulk. The enamel coating provides excellent resistance to heat, abrasion, and chemicals, making it suitable for winding coils, transformers, motors, and inductors. The bare enamelled copper wire ensures efficient conductivity combined with insulation properties, ideal for both laboratory research and industrial manufacturing processes.
Centre of Gravity apparatus
The Centre of Gravity Apparatus is a precision instrument designed to demonstrate and measure the center of gravity of various objects. It consists of a rigid frame, adjustable clamps, and pointers that help identify the balance point of irregular shapes and composite bodies. Widely used in physics laboratories and industrial training, this apparatus aids in understanding the principles of equilibrium, stability, and moments. Its sturdy construction ensures accurate and repeatable measurements essential for educational and quality control purposes.
Charles law apparatus
Product Description
Charles Law Apparatus is a scientific device used to demonstrate and study Charles's Law, which states that the volume of a gas is directly proportional to its temperature at constant pressure. The apparatus typically consists of a sealed container connected to a graduated tube or syringe, allowing measurement of gas volume changes as temperature varies. It is widely used in physics and chemistry laboratories for educational and experimental purposes, helping users understand gas behavior under thermal changes.
Chromatogram Paper
Chromatogram Paper is a specialized high-quality absorbent paper used primarily in chromatography techniques for the separation and analysis of chemical substances. Manufactured to have consistent texture and porosity, it facilitates effective migration of solvents and analytes, allowing clear and reproducible chromatographic patterns. Widely utilized in laboratories for qualitative and quantitative chemical analysis, Chromatogram Paper is essential for research, quality control, and educational purposes.
Crookes radiometer
The Crookes Radiometer, also known as a light mill, is a scientific apparatus consisting of a glass bulb containing a partial vacuum and a rotor with vanes coated black on one side and white or silver on the other. When exposed to light or radiant energy, the vanes rotate due to differential thermal transpiration, demonstrating principles of gas kinetics and energy conversion. It is commonly used for educational demonstrations of light pressure and thermodynamics.
Dissecting Needle
A Dissecting Needle is a fine, pointed instrument used in biological and medical dissections to tease apart tissues, separate layers, and manipulate small structures. Typically constructed from stainless steel or surgical-grade metal, the needle has a sharp tip mounted on a rigid handle, providing precision and control during delicate procedures. Dissecting needles are essential tools in anatomy labs, research facilities, and surgical settings for detailed tissue work, facilitating clearer visibility and accurate separation without causing unnecessary damage.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders