Leading Distributor of Electronic Components-Bangjing Technology | BonChip-News Center

In industrial control, home appliances, and building automation, relays serve as the core components for isolating low-voltage control circuits from high-voltage loads.. As the concepts of Industry 4.0 and intelligent manufacturing gain rapid traction, the demand for automation systems in machine control, process monitoring, and safety protection has increased significantly.Moreover, PCB-mounted relays, thanks to their ability to be directly soldered onto the circuit board, eliminate the need for external wiring and additional modules, making them a critical component in compact electronic control systems.。

According to a market research report, the global relay market was valued at US$10.26 billion in 2024 and is projected to reach US$18.71 billion by 2033, with an estimated compound annual growth rate of approximately 6.9%.. As a key subcategory, PCB-mounted relays are widely used in automotive electronics, industrial control, household appliances, and power distribution networks.. Against this market backdrop,Global Connector TechnologyLaunched solutions for industrial control, HVAC systems, home appliances, and energy management systems.PCB-mounted Relay SeriesIt offers load capacities ranging from 3A to 16A to meet board-level switching requirements in various applications.

1. Product Line Overview: Three specifications to meet diverse load requirements

GCT’s newly launched series of PCB-mount relays comprises three primary models—RLP20、RLP30andRLP70They each emphasize different aspects—load capacity, contact configuration, and overall dimensions—thereby constituting a comprehensive product portfolio.

RLP20 SeriesSuitable for load ranges from 3A to 16 A, providingForm AContact configuration (SPST-NO, i.e., single-pole single-throw normally open), equipped with4000VThe dielectric withstand voltage between the coil and the contacts is implemented usingUL Class FInsulation system (temperature rating 155°C), and has passedULandTÜVAuthentication. Its external dimensions are 18.2 × 10.2 × 14.8 mm, with a weight of approximately 5.82 g, and it supports1,000/palletThe packaging method.

RLP30 SeriesPositioned asPower relay, load capacity is10A, while also providingForm AandForm C(SPDT, or single-pole double-throw) two contact configuration options. The dielectric withstand voltage between its coil and contacts is1500V rms(Form C configuration), it also employs a UL Class F insulation system and is certified by both UL and TÜV. The external dimensions are 19.2 × 15.5 × 15.25 mm, with a weight of approximately 7.63 g, and it supports50/per palletThe packaging method.

RLP70 Seriesis a/one7mm ultra-narrow-width relay, suitable for high-density installation scenarios. The load capacity ranges from 5A to 10 A, and it offers a Form A contact configuration, featuring10kVits impulse withstand capability, and supportsMaintaining Voltage and PWM ControlTo achieve energy savings. Its external dimensions are 20.4 × 7.0 × 15.0 mm, and it weighs only about 3.68 g; it supports100/per palletThe packaging method.

2. Core technical features: sealed structure and long-life design

These three relays share several noteworthy common design and manufacturing features:

1. Sealed flux-proof structure
All models featureFlux Tight (Solder Resist Seal)Shell design. This design effectively protects the internal contacts from solder flux and cleaning agents during the wave-soldering and cleaning stages of PCB automated assembly. For electronics manufacturers engaged in high-volume production, this translates into higher yield rates and more consistent product quality.

2. Long-Life Electrical and Mechanical Durability

• RLP20: Electrical durability up to10 × 10⁴ times(under 10 A/250 VAC conditions), the mechanical durability reaches10 × 10⁶ times[RLP20 Datasheet]

• RLP30: Electrical durability up to10 × 10⁶ times(Mechanical durability), Form C configuration under 10 A/250 VAC conditions reaches5 × 10⁴ times[RLP30 Datasheet]

• RLP70It also features a highly durable design, making it well suited for applications involving frequent on/off cycles [RLP70 Datasheet].

3. Wide operating temperature range
All three relay models are supported.-40°C to 85°CIts operating temperature range covers the application requirements of most industrial control and outdoor equipment. When paired with a UL Class F (155°C) insulation system, it continues to maintain reliable electrical insulation performance even in high-temperature environments.

4. Dual safety certifications from UL and TÜV
All models have passedUL(E550899) andTÜV(R50711332/ R50711394) certified [RLP20/RLP30/RLP70 datasheet], compliant with international safety standards, and can be confidently used in products with stringent safety requirements.

5. Silver alloy contact materials
AdoptingSilver alloyAs a contact material, it not only ensures excellent electrical conductivity but also enhances resistance to arc erosion and welding, thereby extending the service life of relays in applications with inductive loads such as motors and solenoid valves.。

3. Typical Application Scenarios

Industrial Control and Automation Equipment
In PLC control systems, robot control cabinets, and production-line equipment, RLP‑series relays can be used for motor start/stop, solenoid valve control, and signal isolation, among other applications. The RLP70’s 7mm ultra-narrow profile is particularly well suited for high‑density PCB layouts, helping to conserve valuable space within compact control modules.

Heating, Ventilation, and Air Conditioning System
In HVAC systems, power relays establish an electrical interface between low-voltage control electronics and high-voltage loads (compressors, fans, and heaters).. The RLP30’s 10A load capacity is suitable for controlling indoor fans and heaters, while the RLP20 can handle a broader range of loads.. The inrush current during motor startup can reach 5 to 8 times the rated current.,The arc‑resistance of silver alloy contacts is particularly critical in such applications.

Home Appliances and Smart Devices
From smart home control modules to the control boards of white goods, PCB-mounted relays provide a reliable load-switching solution. The compact dimensions of the RL P20 (18.2 × 10.2 mm) make it ideally suited for space-constrained PCB designs in home appliances.

Energy Management and Power Distribution Equipment
In smart meters, energy storage systems, and distribution units, relays are used for load management and circuit protection. The RLP series has passed UL and TÜV safety certifications, meeting the stringent safety and reliability requirements of power equipment.

4. Selection Reference

GCT PCB Mounting Relay Selection Table

Welcome to shop: The above models are GCT standard products. If you have any questions about selection or need sample support, please contact BONCHIP for technical advice and price information.

5. BONCHIP:GCT authorized distributors, one-stop supply service

AsAuthorized Distributor of GCT(Global Connector Technology)，BONCHIPProvide GCT full range of PCB mounted relaysProduct Sales and Ordering Services. RLP20, RLP30, RLP70 full range of models can be in the BONCHIP platform query and procurement。

We are committed to providing our customersBest service and most convenient delivery：

• Sample support: Fast supply of small batch samples at the R & D stage

• In stock: Common models are available in stock to shorten the procurement cycle.

• Technical IntegrationAssist in technical consultation such as relay selection and PCB packaging design

• Bulk supply: A stable supply chain ensures that materials are not cut off during the mass production phase.

• Genuine original product: All products are from GCT factory authorized channels, reliable quality

Whether it is industrial control, HVAC systems, home appliances or energy management projects, BONCHIP can provide you with the right GCT relay products and professional technical support.