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IEC Connectors
IEC connectors are used as power couplers for electrical appliances. IEC refers to the set of standards from the International Electrotechnical Commission, ensuring that the power cords for appliances meet a standardised set of safety requirements for appliances operating with a voltage not exceeding 250 V AC or a rated current of 16 A. From domestic kitchen equipment to computer hardware in office environments, IEC connectors come in different sizes and shapes to accommodate the current, temperature and earthing requirements of different appliances.
IEC Connector Types
IEC connectors ensure safe and reliable connections for power supply across a range of devices. Below are some common types of IEC connectors and their typical uses:
C1/C2
The C1 and C2 connectors are designed for small electrical appliances, such as electric trimmers or shavers. Their compact size makes them ideal for portable devices, providing a secure connection while maintaining a lightweight profile.
C5/C6
Commonly known as a cloverleaf connector, the C5/C6 is used in smaller electrical appliances, including projectors and laptops. Its unique shape allows for easy insertion and removal, ensuring a stable connection while minimising the risk of accidental disconnection.
C7/C8
The figure-eight connector, designated as C7/C8, is frequently found in personal stereo systems and some older laptop models. Its simple design allows for efficient power delivery, making it a popular choice for consumer electronics.
C13/C14
C13 and C14 IEC connectors are used for larger electrical appliances, such as kitchen appliances, instrumentation amplifiers, and computer hard drives. These connectors are designed to handle higher power loads, ensuring reliable performance in demanding environments.
C15/C16
Often referred to as a kettle lead due to its common use in powering electric kettles, the C15/C16 connectors are well-suited for this application because they are classified as ’hot condition’ couplers with a high-temperature rating. This makes them ideal for appliances that generate significant heat during operation.
C15A/C16A
Similar to the C15 and C16 connectors, the C15A/C16A variants are rated for even higher temperatures. These IEC connectors are used in applications requiring additional heat resistance, making them suitable for industrial or high-performance environments where thermal management is critical.
C17/C18
The C17 and C18 connectors are unearthed IEC power connectors commonly used in audio applications where audio quality is a concern. Their design minimises interference, ensuring that audio equipment receives clean power for optimal performance.
C19/C20
Designed specifically for high-current applications, the C19/C20 IEC connectors are ideal for uninterruptible power supplies (UPS) or power distribution units (PDUs). They provide reliable power delivery for demanding electrical systems, ensuring that critical devices remain operational even during power interruptions.
Common Mounting Types for IEC Connectors
Panel Mount
Panel mount connectors are designed to be fixed into a panel or enclosure. These connectors are ideal for permanent installations where secure, reliable connections are required, such as in server racks or industrial control panels.
Snap-In
Snap-in connectors allow for quick and easy installation without the need for screws or additional hardware. They are commonly used in consumer electronics where fast, tool-free assembly is needed.
Cable Mount
Cable mount connectors attach directly to a power cable, offering flexibility in connecting to various devices. These are ideal for applications requiring mobility or the ability to easily disconnect and reconnect equipment.
PCB Mount
PCB mount connectors are designed to be soldered directly onto a printed circuit board. This type is typically used in electronics where a secure and stable connection to the circuit board is needed, such as in power supplies or computer motherboards.
Common Materials for IEC Connectors
- Zinc: Zinc provides excellent corrosion resistance and durability, making it suitable for connectors used in harsh environments or where long-term reliability is required.
- ABS: ABS (Acrylonitrile Butadiene Styrene) is a lightweight, durable plastic known for its impact resistance and ability to withstand a wide range of temperatures. It is commonly used in consumer electronics for its affordability and resilience.
- Die Cast Aluminium: Die cast aluminium offers a strong, lightweight material with excellent thermal conductivity, making it ideal for connectors used in high-temperature applications.
- Thermoplastic: Thermoplastic materials are chosen for their excellent insulation properties and ability to withstand heat, making them ideal for electrical applications where safety is a priority.
- Metal: Metal connectors are durable and can handle higher mechanical stress, making them suitable for industrial and heavy-duty applications where robust connections are essential.
- Plastic: Plastic IEC connectors offer a lightweight, cost-effective solution for many consumer and commercial applications. Their insulating properties make them safe for everyday use in electrical systems.
Industries That Use IEC Connectors
- Consumer Electronics: IEC connectors are commonly used in household and personal electronic devices such as televisions, computers, and audio systems. Their standardisation ensures that various appliances can be powered safely and efficiently in homes and offices worldwide.
- IT & Data Centres: In IT infrastructure, IEC connectors are essential for powering servers, network switches, and other data centre equipment. The reliability and consistency of IEC standards are crucial for maintaining uptime and preventing power interruptions in critical operations.
- Industrial Manufacturing: Industrial machinery and equipment often rely on IEC connectors to provide robust and reliable power connections. These connectors are chosen for their ability to withstand harsh conditions, including high temperatures and vibrations, ensuring smooth operation in manufacturing plants.
- Medical Equipment: IEC connectors are used in medical devices and hospital equipment such as diagnostic machines, ventilators, and patient monitoring systems. Their safety, reliability, and ability to meet strict regulatory standards make them ideal for healthcare applications where precision and dependability are critical.
- Telecommunications: In the telecommunications industry, IEC connectors are used to power routers, switches, and base stations. These connectors help maintain uninterrupted power for communication systems, ensuring continuous data flow and reliable network connectivity.
Your Trusted IEC Connector Supplier in Singapore
RS Singapore is your reliable source for premium IEC connectors, offering a wide selection of both male and female types to suit your power connectivity needs. With trusted brands like RS PRO and Schurter, we ensure you receive high-quality, durable products designed to perform in a variety of industries.
By choosing RS, you're not only getting top-tier connectors but also benefiting from our dedicated technical support and exceptional customer service, ensuring your projects run smoothly and efficiently. For detailed delivery information and associated fees, please visit our Delivery Information page. Trust RS Singapore for a seamless purchasing experience tailored to your power supply requirements.
