2Z/4Z General Purpose Relay 10A/5A – PCB/Socket

Quick Detail:

1, control relay,interposing relay
2, Control high current loads through small current signals, or transmit and isolate signals between different circuits

Specification

Coil Versions

Description:

Small Universal Electromagnetic Relay: 2Z and 4Z – Compact Power for PCB and Socket Mounting

In the intricate world of industrial automation, control panels, and electronic systems, the electromagnetic relay remains an indispensable component. It acts as the critical bridge between low‑power control signals—from PLCs, timers, or microcontrollers—and the higher‑power loads they must actuate, such as contactors, solenoids, motors, and lighting circuits. The Small Universal Electromagnetic Relay, offered in 2Z (DPDT) and 4Z (4PDT) contact configurations, is engineered to deliver dependable switching performance with excellent electrical isolation and low coil power consumption. Designed for both PCB and socket mounting and featuring a wide range of AC and DC coils, this relay series provides engineers, panel builders, and maintenance professionals with a versatile, space‑saving solution for countless applications—from logic interlocking and signal routing to direct control of medium‑power loads.

High‑Quality Contact Configurations for Varied Load Needs

The relay is available in two distinct contact arrangements, each optimized for specific current and voltage requirements.

· 2Z Configuration (DPDT – Double Pole Double Throw):
This version features two independent changeover contacts, each rated at 10A at 220V AC or 30V DC. The 10A capacity makes it ideal for directly switching medium‑power loads such as contactor coils, solenoid valves, small motors, heaters, and lighting circuits. Its robust silver‑alloy contacts ensure low contact resistance and excellent resistance to arc erosion.
· 4Z Configuration (4PDT – Four Pole Double Throw):
This variant provides four independent changeover contacts, each rated at 5A at 220V AC or 30V DC (125V AC). The 4Z version is perfect for applications requiring simultaneous switching of multiple circuits from a single control signal, such as complex logic interlocking, multi‑circuit sequencing, signal routing in test equipment, or interfacing between different control systems. Despite the higher pole count, the compact design saves valuable panel space.

Both configurations maintain a low contact resistance of ≤50mΩ (measured at 1A, 6V DC). This minimises power loss and heat generation at the contact interface, contributing to long‑term reliability and energy efficiency, especially in continuous‑duty or high‑cycle operations.

Superior Insulation and Dielectric Strength for Safe Operation

Safety and electrical isolation are paramount in any control system, and this relay is built to high industry standards. It offers an insulation resistance of 500MΩ at 500V DC, ensuring effective isolation between the coil and contacts as well as between independent contact sets. This high resistance prevents leakage currents and maintains signal integrity in sensitive electronic environments.

The dielectric strength ratings further demonstrate its industrial‑grade robustness:

· Between Coil and Contacts (BCC): Withstands 1000V AC for 1 minute, guaranteeing safe separation between the low‑voltage control circuit and the switched load circuit.
· Between Open Contacts (BOC): Withstands 1500V AC for 1 minute, ensuring that contacts can safely interrupt the circuit without arcing or breakdown when in the open state.
· Between Contact Sets (CCC): Withstands 1500V AC for 1 minute, providing excellent isolation between independent contact groups in multi‑pole configurations.

These rigorous ratings make the relay suitable for use in applications demanding reliable isolation, including industrial control panels, HVAC systems, safety circuits, and equipment subject to electrical noise.

Symmetrical 25ms Operating Times for Precise Control

In time‑critical applications, switching speed directly affects system performance. This relay delivers consistent timing with an operate time of 25ms and a release time of 25ms. The symmetrical 25ms operate/release times ensure predictable behaviour in sequencing logic, minimise arcing during contact transition, and contribute to overall system responsiveness. This balanced performance is particularly valuable in applications such as conveyor control, pump sequencing, and safety interlocking.

Dual Termination Options: PCB and Socket for Maximum Flexibility

A standout feature of this relay series is its support for both PCB and socket termination. This dual‑option design offers significant practical advantages:

· PCB Termination: Allows direct soldering onto printed circuit boards, ideal for high‑volume manufacturing, space‑constrained designs, and permanent installations where cost and size are critical.
· Socket Termination: Enables plug‑and‑play installation on standard relay sockets, facilitating easy replacement during maintenance, simplifying field wiring, and reducing downtime. Sockets can be DIN‑rail or panel mounted, providing flexibility in control cabinet layout.

This versatility means a single relay model can serve both OEM equipment manufacturers and field service applications, simplifying inventory management.

Low Coil Power Consumption for Energy Efficiency

The relay is designed with energy efficiency in mind. DC coil versions consume just 0.9W nominal power, while AC coil versions consume 1.2VA. This low power burden minimises heat generation within enclosures and reduces the load on control circuits, making the relay suitable for battery‑backed or energy‑sensitive applications.

Extensive Coil Voltage Options for Global Compatibility

The relay series offers a comprehensive selection of coil voltages, covering both DC and AC requirements for worldwide deployment.

DC Coil Versions are available in 5V, 6V, 12V, 24V, 48V, and 110V DC. Each is specified with precise pull‑in and release voltages (e.g., 4.0V/0.50V for the 5V coil), ensuring reliable operation within defined tolerances. Coil resistance values are held to ±10% tolerance, ranging from 30Ω (5V) to 12,100Ω (110V). The low 0.9W power consumption makes these coils ideal for PLC outputs, microcontroller‑driven circuits, and battery‑powered systems.

AC Coil Versions cover 6V, 12V, 24V, 48V, 120V, and 220/240V AC. The 120V coil has a resistance of 3,500Ω, while the 220/240V version is offered with two resistance values (14,000Ω for 220V and 16,500Ω for 240V), accommodating variations in global supply voltages. Pull‑in and release voltages (e.g., 176V/66V for the 240V coil) guarantee consistent switching across the entire AC voltage range. The 1.2VA nominal power ensures compatibility with low‑power control circuits and energy‑efficient system designs.

Durable Construction for Long Service Life

Although specific mechanical and electrical life figures are not detailed in the provided parameters, the relay is constructed with high‑quality materials and proven design practices to withstand millions of operations in typical industrial environments. The silver‑alloy contacts resist welding and erosion, while the coil insulation system is designed for continuous duty. The dual termination options also contribute to application flexibility without compromising durability.

Wide Range of Applications

The versatility of this relay makes it suitable for countless applications:

· Industrial Control Panels: Interfacing between PLCs and field devices such as contactors, valves, and indicators.
· HVAC Systems: Controlling fans, pumps, compressors, and damper actuators.
· Home Appliances: Providing reliable switching in washing machines, refrigerators, and air conditioners.
· Building Automation: Managing lighting circuits, access control, and security systems.
· Test and Measurement Equipment: Routing signals and switching loads in automated test systems.
· Medical Devices: Offering dependable isolation and switching in diagnostic and therapeutic equipment.

Conclusion: The Flexible, High‑Density Switching Solution

The Small Universal Electromagnetic Relay, available in 2Z and 4Z configurations, delivers the essential combination of high contact ratings (10A for 2Z, 5A for 4Z), superior electrical isolation (1000V/1500V dielectric strength), symmetrical 25ms operating times, and low coil power consumption (0.9W/1.2VA)—all within a compact package that supports both PCB and socket mounting. Its comprehensive coil voltage options ensure global compatibility, while its robust construction guarantees long‑term performance in demanding environments. For engineers and system integrators seeking a dependable, cost‑effective, and truly universal switching solution, this relay series stands as the definitive choice. Whether controlling a single 10A load with a 2Z relay or managing multiple 5A circuits with a 4Z relay, it provides the performance, flexibility, and durability that modern automation and control applications demand.

Applications

Various relays ,including LED ,test button
With 2Z ,4Z contact forms
With various terminal types
Gilt contact types
Transparent dust-proof cover ,Various mounting types
Various sockets available

Competitive Advantage:

Advantages of Wenzhou DAQUAN Electric Co., Ltd

1. Innovation Leadership

With 258 patents and 27 years of industry experience, we lead in R&D of industrial control devices like relays and timers, ensuring cutting-edge product performance.

2. Global Certifications

Our products hold CE, ROHS, IEC, TUV certifications plus ISO9001, meeting strict international standards for seamless global market access.

3. Scale Supply Stability

Backed by a 7,800㎡ factory, 499-strong team, and 70M RMB annual output, we guarantee efficient production and timely delivery for bulk orders.