Ever felt overwhelmed by the endless list of relay suppliers out there? Whether you’re sourcing for a critical project or aiming to boost your supply chain, picking the right manufacturer can make all the difference. The best suppliers offer not just quality and reliability, but also timely support and competitive pricing—saving you time, money, and headaches down the line. Curious which factories truly stand out? Read on to discover our top picks and make your decision with confidence!

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Relay Specialties, Inc. – A World of Components

Product Details:
Relay Specialties, Inc. offers a wide range of electrical and electronic components, specializing in relays, switches, monitoring devices, and related products sourced from multiple manufacturers including CIT Relay and Switch, ELKO, Schneider Electric, Alps, IDEC, Omron, Cooltron, and Finder. They provide solutions for component sourcing, technical support, and quoting services.

Technical Parameters:
– Products include compact dustproof TACT switches (e.g., Alps SKTH series), LED
– Offers Din Rail Style Relays and Monitors (ELKO) and legacy relay models
– Relays available include types suitable for SMT, solid-state, dust-resistant,
– Product search available by type, manufacturer, or part number; complete

Application Scenarios:
– Automotive applications requiring dust-resistant switch solutions.
– Industrial and commercial lighting in hazardous locations.
– General electronic assembly needing compact relays or SMT relay components.
– Cooling and air movement applications with green, energy-saving fans.

Pros:
– Extensive selection of products from multiple major component manufacturers.
– Technical support and quote request services provided to assist customers.
– Products cater to specialized needs such as dust resistance, hazardous area
– User-friendly website with part-search and comprehensive online catalog.

Cons:
– Potential 20% tariff surcharge on products affected by U.S. import tariffs.
– Technical specifications for individual products are not detailed directly on

Electrical Relays – Grainger Industrial Supply

Product Details:
Grainger offers a wide range of industrial relays, including general-purpose relays, solid state relays, time delay relays, and safety relays suitable for various control and automation needs.

Technical Parameters:
– Relay types: General-purpose, Solid State, Time Delay, Safety
– Voltage ratings: options for both AC and DC control voltages
– Number of poles: Variants with different pole and throw configurations
– Mounting options: DIN rail, panel, socket, and plug-in

Application Scenarios:
– Industrial equipment control and automation systems
– Machine safety circuits and emergency stop functions
– Motor control and lighting circuit management
– Signal switching in process control panels

Pros:
– Wide variety of relay types and configurations to suit different applications
– Availability of well-known brands and dependable components
– Convenience of multiple mounting and voltage options
– Suitable for both new installations and maintenance/replacement

Cons:
– Selection can be overwhelming for users unfamiliar with relay specifications
– Some specialized relay types may be higher in cost

Relays | Authorized Distributor – Arrow.com

Relays Manufacturers and Suppliers in the USA and Canada – Thomasnet

Product Details:
Directory of manufacturers and suppliers in the USA and Canada offering relays. Services for buyers and suppliers include supplier discovery, instant quotes, product catalogs, marketing services, and digital resources. Filters are available for types of companies, video content, quality certifications, and origin declarations such as ‘Made in USA’.

Technical Parameters:
– Quality certifications supported: ISO/IEC 17025, AS9100 (B/C/D), AS9120 (A/B),
– Company types available: custom manufacturer, distributor, remanufacturer,
– Compliance options for U.S. origin: Berry Amendment, Buy American Act, Made in

Application Scenarios:
– Sourcing relays from a wide range of manufacturers and suppliers in the USA and
– Projects requiring suppliers with specific certifications (ISO, AS, API,
– Applications needing relays compliant with U.S. origin regulations (military,

Pros:
– Extensive filtering by supplier type, certifications, and origin for targeted
– Large, searchable database with over 500,000 suppliers
– Additional resources such as instant quotes, CAD models, and product catalogs

Cons:
– Product-specific technical details for individual relay products are not
– Registration is required to access detailed supplier listings and contact

Relays, Contactors & Solenoids – Mouser

Product Details:
Mouser offers a wide selection of relays, contactors, and solenoids from various manufacturers. Products include general purpose relays, solid state relays, automotive relays, reed relays, time delay relays, and more, suitable for multiple circuit control and switching applications.

Technical Parameters:
– Available in various voltage ratings (e.g. 5V, 12V, 24V DC, 120V, 240V AC)
– Multiple configuration options: SPST, DPDT, SPDT, etc.
– Current ratings ranging from milliamperes to tens of amperes
– Options for PCB mount, DIN rail mount, and panel mount

Application Scenarios:
– Industrial automation and process control
– Home appliance control circuits
– Automotive power management and switching
– Telecommunications and networking equipment

Pros:
– Wide selection from leading manufacturers
– Products cover a broad range of voltages, current capacities, and mounting
– Suitable for both low and high-power switching applications
– Available with quick delivery options

Cons:
– May require technical expertise to select appropriate part for specific
– Complexity in navigating the large selection and filter criteria

Electrical Relays – McMaster-Carr

Product Details:
A wide range of electrical relays including spade-terminal, screw terminal, solid state, DIN-rail mount, circular-pin, circuit board, stud-terminal, water-resistant, weatherproof, and high-starting-current relays. Options for compact, touch-safe, and interface relays are available for various connection and mounting requirements.

Technical Parameters:
– Available in mechanical and solid state types (solid state versions have no
– DIN-rail mounting options (35mm DIN rail / DIN 3) for several relay types.
– IP20 rating for touch-safe relays with recessed terminals to prevent accidental
– UL 508 compliance for some models (e.g., infrequent-cycle relays for air

Application Scenarios:
– Controlling small motors, heaters, and pilot lights.
– Industrial automation systems and security/emergency lighting applications.
– DC-powered equipment like forklifts, floor scrubbers, and trucks.
– High inrush current vehicle applications and locations requiring water/weather

Pros:
– Solid state relays offer faster switching, longer life, quieter operation, and
– Touch-safe and DIN-rail mount options improve safety and simplify installation
– Variety of sizes (compact/narrow) and terminal types to fit many installation
– Sealed and weatherproof/water-resistant versions available for harsh

Cons:
– Limited specific electrical ratings or detailed technical specs provided.
– Solid state relays can have limitations with certain high current or inductive
– Not all relays are suited for frequent cycling; some are specified for

Electrical Relays Factory and Manufacturers – HWRELAY

Product Details:
HWRELAY (Hangwang Electric) is a manufacturer and supplier of electrical relays, offering a full range for diverse applications including small relays, general purpose relays, industrial relays, power relays, intermediate relays, electromagnetic relays, and relay bases. They also provide custom relay solutions and technical support.

Technical Parameters:
– Conform to ISO 9001:2015 quality standards
– Certifications include CE and UKCA
– Suitable for high power loads and heavy-duty applications (power relays)
– Designed for longevity and reliable performance in harsh environments

Application Scenarios:
– Industrial systems and automation
– Commercial electrical panels and devices
– Residential electrical protection
– Control systems requiring reliable switching

Pros:
– ISO-certified quality management system
– Custom relay design and volume manufacturing available
– Comprehensive technical support
– Strict material standards and durability focus

Cons:
– No specific technical datasheets or model-specific parameters are provided on
– Limited information on the range of relay specifications or compatibility

Power Relay Supplier & Manufacturer – Americor Electronics

Product Details:
Americor Electronics offers a range of power relays, including signal relays, miniature relays, automotive relays, power relay sockets, and custom relays. They supply only to original equipment manufacturers (OEMs) and distributors. Products are 100% tested, ISO 9001-2015 certified, and RoHS compliant.

Technical Parameters:
– Relay configurations for various current ratings available
– All products are ISO 9001-2015 certified
– RoHS compliant for environmental safety
– 100% tested for quality assurance

Application Scenarios:
– Automotive systems
– Telephone systems
– Household appliances
– HVAC systems
– Water pumps

Pros:
– Wide variety of relay types and configurations
– Custom relay design and manufacturing available
– All products undergo complete quality testing
– Certified to international quality (ISO 9001-2015) and environmental (RoHS)

Cons:
– No direct sales to consumers; OEMs and distributors only
– Technical details about individual relay specs and ratings not provided on page

Controls & Relays | ABB Electrification U.S.

Product Details:
ABB provides a wide range of controls and relays products designed for electrical distribution and industrial automation, including contactors, overload relays, motor controllers, timing relays, and various monitoring relays.

Technical Parameters:
– Products support various voltage and current ratings for industrial and
– Offerings include modular designs compatible with DIN rail mounting.
– Certifications available like UL, CSA, CE for global use.
– Wide range of control voltages and auxiliary contact configurations.

Application Scenarios:
– Motor control and protection in industrial automation systems.
– Electrical distribution panels in commercial and residential buildings.
– Lighting control and HVAC system management.
– Equipment monitoring and safety interlocking in manufacturing.

Pros:
– High reliability and durability suitable for demanding industrial environments.
– Comprehensive product range covering most control and relay application needs.
– Modular and flexible design simplifies installation and maintenance.
– Global certifications facilitate international use and compliance.

Cons:
– Advanced models may require specialized technical knowledge for installation.
– Broad range can make product selection complex for non-experts.

World Class Automotive Relay Supplier

Product Details:
OEM automotive electrical relays designed and manufactured exclusively for the automotive industry, available in various configurations and suitable for controlling inductive, resistive, and motor loads.

Technical Parameters:
– Operating voltages: 6, 12, 24, and 36 Vdc
– Contact configurations: SPST Normally Open, SPST Normally Closed, SPST Dual
– Available options: Plug-In, PCB, Bracket attachment, Sealed or Weatherproof
– Designed to handle varying amperage ratings

Application Scenarios:
– OEM automotive manufacturing (supplied to GM, Chrysler, etc.)
– Heavy equipment and specialty vehicles
– Off-road vehicles
– Aftermarket automotive and export distributors

Pros:
– Over thirty years of experience supplying major OEMs and diversified markets
– Continuous quality improvement and in-house product life testing for reliability
– Custom engineering, quality assurance, and technical support for specified
– Products exceed customer requirements and are warranted for reliability

Cons:
– Product range limited exclusively to automotive relays
– Technical data sheets and detailed specifications only available upon request

Comparison Table

Company	Product Details	Pros	Cons	Website
Relay Specialties, Inc. – A World of Components	Relay Specialties, Inc. offers a wide range of electrical and electronic	Extensive selection of products from multiple major component manufacturers	Potential 20% tariff surcharge on products affected by U.S. import tariffs	www.relayspec.com
Electrical Relays – Grainger Industrial Supply	Grainger offers a wide range of industrial relays, including general-purpose	Wide variety of relay types and configurations to suit different applications Av	Selection can be overwhelming for users unfamiliar with relay specifications Som	www.grainger.com
Relays	Authorized Distributor – Arrow.com
Relays Manufacturers and Suppliers in the USA and Canada – Thomasnet	Directory of manufacturers and suppliers in the USA and Canada offering relays.	Extensive filtering by supplier type, certifications, and origin for targeted	Product-specific technical details for individual relay products are not	www.thomasnet.com
Relays, Contactors & Solenoids – Mouser	Mouser offers a wide selection of relays, contactors, and solenoids from	Wide selection from leading manufacturers Products cover a broad range of	May require technical expertise to select appropriate part for specific	www.mouser.com
Electrical Relays – McMaster-Carr	A wide range of electrical relays including spade-terminal, screw terminal,	Solid state relays offer faster switching, longer life, quieter operation, and	Limited specific electrical ratings or detailed technical specs provided. Solid	www.mcmaster.com
Electrical Relays Factory and Manufacturers – HWRELAY	HWRELAY (Hangwang Electric) is a manufacturer and supplier of electrical relays	ISO-certified quality management system Custom relay design and volume	No specific technical datasheets or model-specific parameters are provided on	hwrelay.com
Power Relay Supplier & Manufacturer – Americor Electronics	Americor Electronics offers a range of power relays, including signal relays,	Wide variety of relay types and configurations Custom relay design and	No direct sales to consumers; OEMs and distributors only Technical details	www.americor-usa.com
Controls & Relays	ABB Electrification U.S.	ABB provides a wide range of controls and relays products designed for	High reliability and durability suitable for demanding industrial environments	Advanced models may require specialized technical knowledge for installation
World Class Automotive Relay Supplier	OEM automotive electrical relays designed and manufactured exclusively for the	Over thirty years of experience supplying major OEMs and diversified	Product range limited exclusively to automotive relays Technical data sheets	www.pokornyrelays.com

Frequently Asked Questions (FAQs)

How can I find reliable relay supplier factories or manufacturers?
Start by searching through online B2B platforms like Alibaba, Global Sources, or Made-in-China. You can also attend industry trade shows or request recommendations from peers. Always check reviews, certifications, and company backgrounds before reaching out.

What factors should I consider when choosing a relay supplier?
Consider product quality, manufacturing certifications (like ISO 9001), production capacity, lead times, pricing, and after-sales support. Good communication and transparency are also key indicators of a trustworthy supplier.

How do I verify a relay manufacturer’s credibility?
Request copies of business licenses, product certifications, and references from other customers. Consider arranging a factory visit (in person or virtual), and check if the supplier has been audited by third parties.

Why are product certifications important when selecting a relay supplier?
Certifications like CE, UL, or ISO standards confirm that the products meet safety and quality requirements. They also show that the manufacturer follows established industry standards, which reduces risk and enhances credibility.

What is the typical minimum order quantity (MOQ) when buying relays from manufacturers?
MOQ varies depending on the manufacturer and product type but often ranges from a few hundred to several thousand units. Always discuss your needs in advance, as some companies may be flexible for new customers or sample orders.