When your application demands a dependable electromechanical relay that can handle moderate to high inrush currents without sacrificing board space or safety compliance, W14T 10A 15A Power Relay UL TUV CQC Compliant, this relay family bridges the gap between miniature signal relays and bulky industrial contactors, offering a practical, certified solution for a wide range of switching tasks.
Core Specifications at a Glance
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Contact Arrangement: 1 Form A (SPST-NO) or 1 Form C (SPDT)
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Rated Load: 10A or 15A (resistive) at 250VAC / 30VDC
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Coil Voltage Options: 5VDC, 12VDC, 24VDC, 48VDC, and other common DC voltages
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Insulation System: Class F (155°C) standard
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Dielectric Strength: 4,000VAC between coil and contacts (1-minute withstand)
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Ambient Temperature: –40°C to +85°C (without derating)
Global Approvals That Matter
The W14T is not a "one-market" component. It carries three critical international safety marks, simplifying your global BOM and reducing the need for country-specific variants:
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UL (Underwriters Laboratories): Recognized under UL 508 and UL 60950-1, ensuring safe operation in industrial control and IT equipment.
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TUV (Technischer Überwachungsverein): Certified to EN 61810-1, confirming compliance with European low-voltage and EMC directives—essential for CE-marked products.
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CQC (China Quality Certification): Approved under GB/T 21711.1, making the W14T immediately eligible for use in appliances, HVAC, and industrial exports destined for the Chinese market.
These approvals are not just logos on a datasheet; they represent rigorous testing for creepage, clearance, flammability (UL 94V-0 housing), and endurance under overload conditions.
Where the W14T Excels
1. Home Appliances & White Goods
From washing machine door locks to HVAC compressor controls and microwave oven interlocks, the W14T’s 10A/15A silver-alloy contacts handle inductive motor loads with minimal contact bounce, extending electrical life beyond 50,000 cycles at rated load.
2. Industrial Automation
Programmable logic controllers (PLCs), temperature controllers, and solenoid valve drivers benefit from the relay’s high coil-to-contact isolation (4kV) and clear 1.5mm contact gap, which provides positive safety disconnection per IEC 60335-1.
3. Power Supplies & Battery Systems
In uninterruptible power supplies (UPS), battery backup circuits, and charger output stages, the W14T offers low coil power consumption (typically 360–450mW), reducing heat build-up in dense PCBA layouts.
4. Smart Building & IoT Hubs
With its sealed or flux-proof epoxy options, the relay resists dust, humidity, and light corrosive gases, making it suitable for outdoor meter enclosures and smart distribution panels.
Design-Friendly Features
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PCB footprint compatibility: The W14T uses standard 5.0mm pin spacing, allowing drop-in replacement for many legacy 10A relay footprints without board redesign.
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Manual test button option: Some variants include a push-to-test actuator, simplifying field troubleshooting and commissioning.
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Pick-up and drop-out stability: Typical operate time ≤15ms, release time ≤5ms, ensuring predictable timing in sequential logic circuits.
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Cadmium-free contacts: Environmentally compliant with RoHS and REACH, supporting your sustainability goals.
Performance You Can Trust
Independent life tests show that at 15A/250VAC resistive (75°C ambient), the W14T maintains contact resistance below 50mΩ over 80,000 operations. For motor loads (PF=0.6), expect >30,000 cycles—figures that outlast many competitors in the same price tier.
The relay’s magnetic circuit is optimized for AC ripple suppression, preventing chattering on dirty DC supplies. Combined with a robust yoke and armature design, the W14T withstands mechanical shocks up to 100m/s² and vibration of 10–55Hz at 1.5mm amplitude.
Making the Choice Simple
If your project checks any of these boxes, the W14T 10A/15A relay is worth your immediate evaluation:
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You need a single relay that covers UL, TUV, and CQC in one part number.
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Your operating environment ranges from cold outdoor enclosures to warm industrial cabinets.
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You want to standardize on a 10–15A relay across multiple product lines (consumer, commercial, and light industrial).
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You value a proven, mature design that has been field-validated for over 5 years in millions of units.