ZETTLER 5 PIN RELAY AZ988-1CT-12DC1R Automation 1PC

( Brand: Zettler 5 Pin Relay ), ( Manufacturer Part Number: AZ988-1CT-12DC1R ), ( Type: Plug In )

Review ZETTLER 5 PIN RELAY 1pc Tested Warranty Oem

The **Zettler PIN Relay AZ988-1CT-12DC1R** is a high-performance, compact industrial relay designed for demanding applications requiring precise control, reliability, and versatility in low-voltage DC circuits. Part of Zettler s renowned AZ series, this normally open (NO) relay is engineered to deliver exceptional switching performance while maintaining robust mechanical and electrical durability. With a compact form factor measuring just 18.5mm in width, it is ideal for space-constrained installations, such as in control panels, automation systems, or embedded applications where efficiency and compactness are critical. The relay operates on a 12V DC coil voltage, providing a consistent and efficient switching mechanism with minimal power consumption, making it energy-efficient for continuous duty cycles. Its solid-state construction ensures long-term reliability, reducing the risk of mechanical wear typically associated with traditional electromechanical relays.

The AZ988-1CT-12DC1R features a single changeover (1CT) contact configuration, offering a normally open (NO) and a normally closed (NC) contact in a single unit, which simplifies wiring and reduces component count in control circuits. The contacts are rated for a maximum of 1A at 30V AC or 1A at 24V DC, making it suitable for low-power signaling, sensor control, or small motor driving applications where precise on/off switching is required. The relay s robust contact material ensures low contact resistance and high switching capacity, while its sealed construction protects against environmental contaminants like dust, moisture, and vibrations, enhancing its suitability for industrial environments. Additionally, the relay s compact design allows for easy integration into existing systems, whether mounted on a DIN rail or directly onto a PCB, depending on the application requirements.

Beyond its technical specifications, the Zettler AZ988-1CT-12DC1R stands out for its ease of use and flexibility. The relay s coil is optimized for quick response times, ensuring rapid switching with minimal delay, which is essential in time-sensitive automation tasks. Its compatibility with a wide range of control signals including TTL, PNP, or NPN logic makes it adaptable to various microcontroller and PLC interfaces, further expanding its utility in modern control systems. Whether used in industrial machinery, HVAC systems, or custom automation projects, this relay delivers a balance of performance, reliability, and compactness, making it a dependable choice for engineers and technicians seeking a high-quality, off-the-shelf solution.

The **Zettler Pin Relay AZ988-1CT-12DC1R** is a compact, normally open (NO) relay designed for DC control circuits, commonly used in automotive, industrial, and low-power applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Compact and Lightweight Design**

The relay is small and lightweight, making it ideal for space-constrained applications such as automotive wiring harnesses, small control panels, or embedded systems. Its compact form factor allows for easier installation in tight spaces without requiring significant modifications.

2. **Low Power Consumption**

It operates on a low DC voltage (12V DC), which is energy-efficient and suitable for battery-powered or low-power systems. This reduces heat generation and extends the lifespan of the power source, especially in portable or automotive applications.

3. **High Contact Rating**

The relay is rated for a maximum contact current of **10A (resistive load)** and **5A (inductive load)**, which is sufficient for many low-to-medium power applications. For example, it can handle small motors, solenoids, LEDs, or relays in control circuits without overheating.

4. **Normally Open (NO) Configuration**

The normally open (NO) contact configuration is versatile for applications where the load is only active when the relay is energized. This is common in safety circuits, where the load should default to an "off" state when power is removed.

5. **Low Contact Resistance**

The relay features low contact resistance, ensuring minimal voltage drop and efficient power transfer to the connected load. This is important for maintaining signal integrity in control circuits.

6. **Reliable Mechanical Design**

Zettler is a reputable manufacturer known for producing durable relays with robust mechanical and electrical components. The AZ988 series is designed for long-term reliability, with minimal wear on contacts over many switching cycles.

7. **Easy to Install and Wire**

The relay has a simple pin configuration (common, normally open, and coil terminals) and is often sold with pre-attached pins or terminals, making wiring straightforward. It can be soldered or connected via screw terminals, depending on the variant.

8. **Wide Operating Temperature Range**

The relay operates effectively within a temperature range of **-40 C to 85 C**, which is suitable for automotive, outdoor, or industrial environments where temperature fluctuations are common.

9. **Low Noise Operation**

Unlike some mechanical relays, the AZ988 operates quietly, making it suitable for applications where noise is a concern, such as in sensitive electronic systems or audio equipment.

10. **Cost-Effective for Low-Power Applications**

While not the cheapest relay on the market, its performance and reliability make it a cost-effective choice for applications where higher-end relays are unnecessary. It is often priced competitively compared to alternatives with similar specifications.

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### **Cons**

1. **Limited Current Rating**

The **10A resistive load** and **5A inductive load** ratings may be insufficient for high-power applications. For example, it cannot handle large motors, high-current solenoids, or heavy-duty lighting loads without additional protection or a higher-rated relay. Overloading the relay can lead to premature failure or arcing.

2. **No Built-In Overload Protection**

The relay lacks built-in mechanisms such as fuses or thermal protection. If the connected load exceeds the relay s ratings or experiences a short circuit, the relay may fail without warning. Users must implement external protection (e.g., fuses, current-limiting resistors) to safeguard the relay and circuit.

3. **Sensitive to Inductive Loads**

While the relay can handle inductive loads up to 5A, high inductive loads (e.g., motors, transformers) can cause arcing at the contacts, reducing the relay s lifespan. Snubber circuits or flyback diodes may be required to mitigate this issue.

4. **Limited Lifespan for High Switching Frequencies**

The relay s contact lifespan is dependent on the switching frequency. While it can handle millions of cycles under normal conditions, frequent switching (e.g., in high-speed control applications) may reduce its operational life. For applications requiring extreme durability, a relay with a higher contact rating or solid-state alternatives may be preferable.

5. **No Built-In Diagnostics or Status Indication**

Unlike some advanced relays, the AZ988 does not provide feedback on its operational status (e.g., whether the relay is energized or failed). This can make troubleshooting difficult in complex systems where relay status is critical.

6. **Potential for Contact Welding**

In some cases, especially with high inductive loads or improper wiring, the contacts may weld together, causing the relay to fail in the "on" position. This risk can be minimized with proper snubber circuits and load matching.

7. **Limited Availability of Replacement Parts**

While Zettler relays are durable, if the relay fails, finding exact replacements may be challenging, especially for older or discontinued models. Users should ensure availability before committing to this relay for long-term projects.

8. **Not Suitable for High-Voltage Applications**

The relay is designed for **12V DC control**, and its contact rating does not extend to high-voltage applications (e.g., 24V AC/DC or higher). For high-voltage switching, a different relay or solid-state switch would be required.

9. **Soldering Required for Some Variants**

Some versions of the AZ988 may require soldering to terminals, which can be inconvenient for users who prefer plug-and-play solutions. Pre-wired or screw-terminal variants may be more user-friendly.

10. **No Built-In Isolation for High-Side Switching**

The relay is typically used for low-side switching (ground-side). For high-side switching (positive-side), additional circuitry (e.g., a PNP transistor or optocoupler) is required to ensure proper operation and safety.

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### **Conclusion**

The **Zettler Pin Relay AZ988-1CT-12DC1R** is a well-suited choice for **low-to-medium power DC control applications** where space, weight, and simplicity are priorities. Its compact design, low power consumption, and reliable performance make it ideal for automotive electronics, small control panels, robotics, and hobbyist projects. However, its **limited current and voltage ratings**, lack of built-in protection, and sensitivity to inductive loads mean it is not suitable for high-power or high-frequency switching tasks.

- **Higher-rated relays** (e.g., 20A 30A DC relays with thermal protection),

- **Solid-state relays (SSRs)** for high-frequency or high-side switching,

- **Optocoupler-based relays** for isolation and noise immunity,

or **industrial-grade relays** with built-in diagnostics,

may be more appropriate.

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### **Recommendation**

- You need a **compact, low-power relay** for **12V DC control** (e.g., automotive wiring, small motor control, LED drivers, or signal switching).

- Your application involves **resistive or low-inductive loads** (e.g., LEDs, relays, small solenoids) with currents **under 10A (resistive) or 5A (inductive)**.

- You prioritize **cost-effectiveness** and **reliability** for non-critical applications.

- You are willing to **add external protection** (e.g., fuses, snubber circuits) to safeguard the relay.

- Your load requires **higher current** (e.g., 15A or more) or **high inductive loads** (e.g., large motors, transformers) without additional circuitry.

- You need **high-side switching** or **isolation** for safety reasons.

- The application involves **high-frequency switching** (e.g., PWM control at high duty cycles), where contact wear may be a concern.

- You require **diagnostic features** (e.g., status indication, self-testing) or **long-term availability** of replacement parts.

- For **higher current**: **Omron G2R-1-DC12V** (20A), **TE Connectivity (AMP) 12V DC relay** (15A).

- For **inductive loads**: Use a relay with a **flyback diode** or a **snubber circuit**, or opt for an **SSR** (e.g., **Littelfuse SSR-10DA**).

- For **high-side switching**: Pair with a **PNP transistor** or use a **relay driver module**.

- For **automotive use**: Ensure compliance with **AEC-Q200** standards (this relay may not meet automotive-grade reliability requirements).

Details:

1pc Zettler 5 Pin Relay AZ988-1CT-12DC1R Tested with Warranty Oem. All Relays Are Tested With A 60 Day Warranty.

part #: az9881ct12dc1r prices

• $10.99-$20.00

specifications automationjack:

• brand: Zettler 5 Pin Relay
• mpn: Az988-1ct-12dc1r
• type: Plug In

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• # reviews: 3915
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• started: May 13, 2026
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• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

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