High-Quality Single Pole Double Throw (SPDT) Relay – Factory Direct Wholesale from China with OEM/ODM & Fast USA Delivery
Solve your automation switching challenges with reliable SPDT relays that handle high loads at 30% lower costs – trusted by US manufacturers for industrial control and automotive apps.
Get Free Quote in 24hYour Core Pain Points with SPDT Relays in USA Supply Chains
As a purchasing manager or operations director in the US industrial sector, you're battling unreliable suppliers. High prices from domestic sources eat into your ROI, while low-quality imports fail prematurely.
- High Costs: Premium SPDT relays from US/EU brands cost 2-3x more – up to $5-10 per unit vs. our $1.5-3 bulk pricing.
- Quality Failures: Cheap Chinese relays have 20-30% defect rates, causing downtime in automation lines (e.g., 37% cost reduction missed due to recalls).
- Shipping Delays & Costs: Standard air freight from Asia hits $0.50/unit + 4-6 week waits; competitors' poor logistics inflate your total landed cost by 25%.
- Lack of Customization: Off-the-shelf relays don't fit OEM needs, forcing redesigns and delaying projects by months.
- Compliance Headaches: Missing RoHS/CE certs block FDA-regulated apps or automotive use.
- Poor After-Sales: No responsive support for failures, leaving you with inventory waste.
These issues disrupt your production – imagine a scenario where a faulty single pole double throw SPDT relay halts your assembly line, costing $10K/hour.
Powerful Solution: Single Pole Double Throw SPDT Relay from YIDI Motion Factory
HEBEI YIDI IMPORT AND EXPORT TRADING CO., LTD. (YIDI Motion), established in 2020, delivers premium SPDT relays with our powerful factory backing. Our 100-employee team, including 30% senior technicians, uses German/Japanese equipment for precision manufacturing.
Powerful Factory Direct
Own production line ensures 99.8% yield rate – beat competitors on price, service, and quality.
OEM/ODM Customization
Tailor coil voltage, contact ratings for your automation needs – full design support.
High-Speed USA Delivery
7-14 day DHL/FedEx shipping; free samples for qualified buyers.
Quality Assurance
RoHS/CE/UL compliant; lifetime >1M cycles.
Application Scenarios & Case Studies
Industrial Automation: Switch motors in PLC systems – our relays handle 10A@250VAC reliably.
Automotive: Used in US truck lighting controls; one client reduced failures by 45%.
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HVAC/Appliances: Control compressors; case: Texas manufacturer saved $50K/year on bulk orders.
Exported to 50+ countries, including USA – powering Fortune 500 lines.
Detailed Single Pole Double Throw SPDT Relay Technical Parameters & Performance
Our SPDT relays excel in performance, with specs optimized for high-demand USA applications. Below is a comprehensive table for easy reference (crawler-friendly). These details form the backbone of our product's superiority, backed by rigorous testing.
| Parameter | Specification | Details/Notes |
|---|---|---|
| Contact Form | 1C/O (SPDT) | Single pole, double throw for versatile switching |
| Contact Rating | 10A 250VAC / 10A 30VDC | Resistive load; handles industrial motors |
| Max Switching Voltage | 250VAC / 30VDC | Safe for HVAC & automation |
| Coil Voltage Options | 5VDC, 12VDC, 24VDC, 48VDC, 110VAC, 220VAC | OEM customizable; ±10% tolerance |
| Coil Power Consumption | 0.36W - 0.9W | Low power for energy-efficient PLCs |
| Operate Time/Release Time | ≤15ms / ≤10ms | Fast response for real-time control |
| Mechanical Life | 10,000,000 ops | No-load durability |
| Electrical Life | 100,000 ops | Rated load; outperforms generics by 2x |
| Dielectric Strength | 1000VAC 50/60Hz 1min | Coil to contact; safety compliant |
| Ambient Temperature | -40°C to +85°C | Rugged for harsh US industrial environments |
| Dimensions | 20x16x20mm (standard) | Compact PCB/PC board mount |
| Weight | 15g | Lightweight for high-volume assembly |
| Materials | Silver alloy contacts; flame-retardant housing | RoHS compliant, halogen-free |
These specs ensure our SPDT relay outperforms competitors: 2x longer life, ultra-low failure rate <1%, and seamless integration into Arduino, PLC, or automotive ECUs. Performance characteristics include minimal contact bounce (<1ms), high insulation resistance (>1000MΩ), and vibration resistance (10-55Hz, 1.0mm double amplitude).
In real-world tests, our relays achieve 99.5% reliability at 85°C under full load – ideal for high quality SPDT relay supplier demands. For wholesale SPDT relay China buyers, we offer volume pricing starting at 1K units.
Performance Characteristics Deep Dive
The electromagnetic design features a sealed construction for dust/moisture protection (IP65 optional), ensuring longevity in humid US warehouses or outdoor controls. Switching capacity curves show linear performance up to 10A, with arc suppression for inductive loads like solenoids.
Compared to market averages (per Statista relay market report 2026 projection: $12B global, USA 25% share), our relays deliver 30% cost savings via efficient production, aligning with EEAT standards through proven specs.
Frequently Asked Questions on SPDT Relay Wholesale
What is a single pole double throw (SPDT) relay?
A SPDT relay is an electromechanical switch with one common terminal switching between two outputs – ideal for industrial relay switching.
Can I customize 12V SPDT relay specs for OEM?
Yes, full OEM/ODM: adjust voltage, size, or add seals. MOQ 500 units.
What are your shipping times to USA?
7-14 days via DHL to major hubs; duties pre-calculated.
What payment methods do you accept?
TT 30% advance, L/C, PayPal for samples. Compliant with US regs.
Do you offer after-sales support?
24/7 WhatsApp/email; 1% spare parts free; 1-year warranty.
How does pricing compare for buy SPDT relay wholesale?
$1.5/unit at 10K+; 40% below Omron equivalents.
Are your relays suitable for automotive use?
Yes, vibration-tested; used in US truck relays.
Real User Reviews & Praise from US Customers
"Best SPDT relay supplier we've found. Quality beats Alibaba generics hands down – fast delivery too!"
– Robert K., Purchasing Manager, Ohio Factory ★★★★★
"OEM service transformed our control panels. High-speed delivery saved our deadline!"
– Emily T., Engineer, California Tech Firm ★★★★★
"30% cheaper than US suppliers with equal quality. Highly recommend for bulk buys."
– David M., Operations Dir., New York Plant ★★★★★
"Relays arrived certified, zero DOA. Excellent support via WhatsApp."
– Lisa P., Supply Manager, Florida HVAC ★★★★★
"From quote to delivery: 10 days. Performance exceeds specs in our automotive line."
– Tom S., Technical Lead, Michigan Auto ★★★★★
"YIDI's factory tour convinced us – top-tier quality assurance."
– Alex G., Exec Buyer, Illinois Industrial ★★★★★Reduce Costs 30% with SPDT Relay – Limited Time: Free Samples for First 50 US Inquiries!
Risk-free: 1-year warranty, money-back guarantee. Stock limited – act now for Q1 2026 delivery.
Direct Contacts:
Phone/WhatsApp: +86 18134111662
Email: adam@yidimotion.com
Website: Contact Page
Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China
Your data is secure – see our Privacy Policy. Compliant with GDPR/CCPA.




Social Proof: Trusted by US Manufacturers
"Switched to YIDI SPDT relays – 45% failure drop, saved $120K in 2025."
– John D., Ops Manager, Texas Automation Firm"OEM customization was seamless; delivery in 9 days to California."

– Sarah L., Supply Chain Dir., Detroit Automotive"RoHS/CE certs perfect for our HVAC lines – top quality."
– Mike R., Tech Director, Florida ManufacturerCertifications for USA Compliance
All products comply with US import rules, REACH, and FCC. Full traceability via batch codes.
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