RY-ELE - Your Leading industrial control relays Manufacturer.

8A 250VAC 14Pin PCB board welding relay base 18F-4Z-A1 Manufacturer of the Industrial Control Products RY-ELE 1

8A 250VAC 14Pin PCB board welding relay base 18F-4Z-A1 Manufacturer of the Industrial Control Products RY-ELE 2

8A 250VAC 14Pin PCB board welding relay base 18F-4Z-A1 Manufacturer of the Industrial Control Products RY-ELE

Characteristics

Rated Current: Up to 8A at 250VAC, ideal for medium to high load control
Installation method: PCB board welding
Ambient Operating Temperature: -35°C to +70°C, suitable for harsh industrial environments
Withstand Voltage: Up to 2000VAC, ensuring electrical safety and reliability
Weight: Approx. 6.7g, lightweight yet rugged in design

Place of Origin:

China

Payments:

T/T

Lead Time:

To be negotiated

shipping:

Express · Ocean freight · Land freight · Air freightreight

Customization:

Customized logo (Min. Order: 2000 sets)

Model Number:

18F-4Z-C5

Brand Name:

RY-ELE

Inquiry

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Screw Thread

Temperature Range

-40°C - +70°C

Insulation Voltage

3500V/S

Screw torque

0.8N-1.2Nm

Load voltage

300VAC

Load Current

10A

Color

grey, black

Protect Feature

Sealed

Size

Subminiature

Use

General Purpose

Theory

Electromagnetic Relay

Contact Load

Low Power

Place of Origin

Zhejiang, China

Key Technical Features:

The 18F-4Z-A1 is a high-reliability, PCB-mountable relay socket designed for 4-pole (4Z / 4PDT) plug-in relays such as the RXS4C and RYER4N series. It features a solder-through-hole design, ensuring firm and vibration-resistant installation directly on printed circuit boards—ideal for compact industrial equipment, automation modules, and control systems.

Rated Current: Up to 8A at 250VAC, ideal for medium to high load control
Installation method: PCB board welding
Ambient Operating Temperature: -35°C to +70°C, suitable for harsh industrial environments
Withstand Voltage: Up to 2000VAC, ensuring electrical safety and reliability
Weight: Approx. 6.7g, lightweight yet rugged in design

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Structural & Functional Advantages

8A 250VAC 14Pin PCB board welding relay base 18F-4Z-A1 Manufacturer of the Industrial Control Products RY-ELE 7

Dual-Pole Compatibility (4Z)

Supports relays with 4NO + 4NC contacts, offering reliable switching for four independent circuits.

DIN & Panel Mountable

Can be mounted on standard 35mm DIN rail, or securely screwed into control panels for fixed installations.

Compact & Durable Design

Small form factor fits tightly into crowded enclosures. Built with flame-retardant materials for long-term safety.

Plug-in Relay Compatible

Supports relay replacement without rewiring—just pull out and replace the relay unit.

Application Scenario

8A 250VAC 14Pin PCB board welding relay base 18F-4Z-A1 Manufacturer of the Industrial Control Products RY-ELE 11

Industrial Control Systems

PLCs, motor controls, and automation equipment

8A 250VAC 14Pin PCB board welding relay base 18F-4Z-A1 Manufacturer of the Industrial Control Products RY-ELE 12

Electrical Panels

Distribution boards and power supply units

Building Automation

Lighting control, HVAC systems, and security systems

Home Appliances

Wiring for household devices and equipment

FAQ

What type of relay is the 18F-4Z-A1 socket compatible with?

The 18F-4Z-A1 is designed for 4-pole changeover (4Z / DPDT) plug-in relays, such as the RXS4C or RYER4N series. It accommodates relays with 14 pins, depending on the relay's footprint.

What does the “A1” in the model name mean?

“A1” indicates that the socket is a PCB-mount version—designed for direct soldering onto printed circuit boards, rather than screw or push-in terminals.

Can this socket be mounted on a DIN rail?

No. The 18F-4Z-A1 is intended exclusively for PCB mounting, not for DIN rail or panel installation. For DIN-compatible versions, consider models like 18F-4Z-C5 or 18F-4Z-C4.

Is the socket reusable?

The relay itself is plug-in and replaceable, but the socket is soldered to the PCB and typically not removed. Relay replacement can be done without disturbing the socket.

What kind of PCB layout is required?

The socket has through-hole pins designed to fit standard relay footprints. Ensure proper pad spacing and clearance around the socket, especially for double-row layouts with signal and coil pins.

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