The W15-2 Series is a high-performance industrial relay intended for use in medium-to-high load control applications. At its heart lies the dual-set, 12A independent switching capability, which enables two circuits to be controlled reliably, either simultaneously or individually. This provides a flexible solution for home appliances, industrial control systems, automation equipment, and power systems. Thanks to its isolation withstand voltage of up to 5kV, extended operating temperature range of -40°C to 105°C and RoHS-compliant eco-design, it offers high reliability and a long service life in diverse and demanding application environments.
The W15-2 Series combines outstanding performance and durability within its tiny dimensions of 29.0×12.7×15.7mm.
Independent Dual-Channel Control: The W15-2 Series combines outstanding performance and durability within its tiny dimensions of 29.0×12.7×15.7mm.
Robust Electrical Isolation: 5KV withstand voltage between coil and contacts effectively suppresses interference and safeguards the low-voltage control side.
Superior Environmental Ruggedness: Offered in a 105℃ high-temperature version with dust and contamination-resistant sealing options, it withstands industrial dust, moisture, and corrosive gases (e.g., H₂S, SO₂).
Global Environmental Compliance: It is fully compliant with RoHS and meets green production standards and international market access regulations.
(normally closed) and 2C (changeover). These can be used to accommodate diverse control requirements.
Material Science:
AgNi Contacts: A versatile choice offering excellent conductivity and contact stability.
AgSnO₂ Contacts: Ideal for inductive loads like motors and relay coils, this product is designed for challenging loads and features superior arc and wear resistance.
Electrical Performance: The maximum rating for the load is 8A at 250VAC/30VDC, the maximum switching capacity is 12A/400VAC, and the initial contact resistance is ≤100mΩ. This ensures high-efficiency conduction.
Insulation resistance ≥1000MΩ (at 500VDC).
Comprehensive dielectric strength: 1000VAC between open contacts, 2500VAC between contact sets, and 4000VAC between the coil and contacts, all for a duration of one minute.
Creepage distance and clearance ≥15mm, providing high-reliability safety isolation.
Fast Response: Real-time control is only guaranteed if the operation timing is no greater than 15 ms and the release timing is no greater than 5 ms.
Long Lifespan: Mechanical longevity reaches up to 1,000,000 operations; electrical endurance remains prolonged under rated load.
Rugged Construction: It resists vibration (10–55 Hz, 1.5 mm amplitude) and destructive shock of up to 100 g, making it suitable for harsh conditions.
Accommodates 12 common voltages ranging from 3VDC to 110VDC, facilitating seamless integration with prevalent PLCs and controllers.
Typical Examples: 12VDC variant (Operating voltage ≤9.0VDC, coil resistance 360Ω); 24VDC variant (Operating voltage ≤18.0VDC, coil resistance 1440Ω), both exhibiting low power consumption of approximately 400mW.
Temperature: Standard version: -40℃ to +85℃; High-temp version: up to +105℃.
Humidity: 5% to 90% RH.
Sealing Options:
Flux Proofed Type: This product is suitable for clean indoor environments, such as those found in consumer electronics and communication devices.
Plastic Sealed Type: This is mandatory for industrial and outdoor environments where there is corrosive gas or dust pollution.
The W15-2 Series holds the key international certifications that are your passport to global product distribution.
UL/C-UL Certification (E475405): Recognizes 8A 250VAC/30VDC load rating, supporting motor and lighting loads.
TUV Certification (R 50332875): Covers all contact configurations, certifies 12A load and 105℃ high-temperature operation.
China CQC Certification (CQC15002137649): Complies with China Compulsory Product Certification requirements.
Insulation System: UL Class F (155℃) insulating materials guarantee consistent performance under extended high-temperature conditions.
Home Appliances: Air conditioner compressors, washing machine motors, high-power kitchen appliance control.
Industrial Control: PLC output modules, motor start/stop, heater switching.
Automation Equipment: Robotic arms, conveyors, assembly line control.
Energy Management: UPS transfer switching, PV inverter control, EV charging pile circuit control.
Model Format: W15-2AST-XXX
Code Breakdown:
Contacts: 2A (NO), 2B (NC), 2C (CO)
Sealing: Nil (Flux Proofed), S (Plastic Sealed)
Contact Material: Nil (AgNi), T (AgSnO₂)
Special Code: e.g., G (Gold-plated contacts for micro-signals)
Coil Voltage: 3-110VDC optional
Selection Advice: Strictly choose the sealing type based on the environmental adaptability description and your specific use case.
Installation: PCB plug-in mounting. Detailed wiring and layout diagrams (bottom view) are provided. Recommended PCB layout tolerance: ±0.1mm.
Soldering: To avoid thermal damage to the sealed enclosure, temperature-regulated soldering procedures are advised.
Usage Notes:
Avoid mechanical impact or dropping.
Not recommended for very low load conditions below 5VDC 100mA.
Maintenance: The anticipated lifespan is achieved when operating under specified conditions.Regularly assessing the contact state and operational duration helps to maintain optimal performance.
The W15-2 Series relay, including dual 12A switching capacity, superior insulating performance, extensive temperature range, and several international certifications, is a reliable component for electrical isolation and control in domestic and industrial applications. It provides reliable performance over the long term in standard applications and in harsh environments involving high temperatures or pollution.
If you need any additional technical information, samples, or assistance with orders, please get in touch.
