Description
Product Overview
The American Zettler Power Relay is engineered to deliver a high current capacity of 30 amperes at a standard line voltage of 120 volts AC, all within a miniature SPDT (single pole double throw) configuration. Housed in a rugged epoxy‑sealed shell, the relay resists moisture, dust, and chemical exposure, making it suitable for demanding industrial environments. Its compact dimensions—approximately 4.21 x 1.54 x 1.46 inches—and lightweight design (under 3 ounces) allow it to fit into dense control panels where space is at a premium. The AZ2280-1C-120A model comes in a pack of two, providing redundancy for critical applications and simplifying inventory management. With a proven track record reflected in a 4.5‑star rating from over 260 verified customers, this relay combines reliability, performance, and ease of installation. The contact rating, coil voltage, and mechanical life are all optimized for long‑term operation, ensuring that the relay can handle frequent switching cycles without degradation.
![[Product front view showing all components]](https://www.ouritems.store/wp-content/uploads/2026/07/4e694810e7c54fd0a0dd3e4f2ef2e443.jpg)
Usage
This relay excels in a wide range of industrial and scientific applications. It is ideal for motor control circuits, HVAC systems, lighting control, and programmable logic controller (PLC) interfacing where a dependable switching element is required. The SPDT design enables one input to be directed to either of two outputs, providing flexibility for safety interlocks, signal routing, and load switching. Because the relay is epoxy‑sealed, it can be deployed in environments with high humidity, exposure to chemicals, or temperature fluctuations without compromising performance. Engineers and technicians often select this component for automation equipment, conveyor systems, and process control panels where reliable actuation is essential. Its low coil power consumption reduces heat buildup, extending the lifespan of surrounding components. The pack‑of‑two format also supports redundancy strategies, allowing one relay to serve as a hot‑standby in mission‑critical installations.
Why Choose Us
Choosing the American Zettler Power Relay means partnering with a manufacturer known for precision engineering and stringent quality control. Each relay undergoes comprehensive testing for coil resistance, contact resistance, and dielectric strength, ensuring that every unit meets or exceeds industry standards. The epoxy‑sealed construction not only protects the internal contacts from corrosion but also provides an added layer of safety for operators handling the device. Our commitment to customer satisfaction includes responsive technical support, detailed datasheets, and a straightforward return policy for any defective units. Because the relay is discontinued by the manufacturer, we maintain a dedicated inventory to guarantee availability for legacy projects and long‑term maintenance contracts. The product’s high rating on major e‑commerce platforms reflects consistent performance across diverse applications, reinforcing its reputation as a trusted component for engineers seeking reliability without sacrificing compactness.
Key Features
- Compact size fits into tight panel spaces while delivering 30 A at 120 VAC.
- Epoxy‑sealed housing protects against moisture, dust, and chemicals for long‑term durability.
- SPDT configuration offers flexible routing for safety interlocks and load switching.
- Pack of two provides redundancy and simplifies inventory for critical systems.
- Responsive technical support and reliable after‑sales service ensure smooth integration.
FAQ
What is the maximum switching frequency for this relay?
The AZ2280-1C-120A relay is designed for typical industrial switching applications and can handle up to 10 Hz (10 cycles per second) without overheating. For higher frequency requirements, a solid‑state solution may be more appropriate.
Is the relay suitable for DC loads?
While the relay is rated for 120 VAC operation, it can also switch low‑voltage DC circuits up to 30 V DC. However, the contact rating for DC is lower due to arcing concerns, so it is recommended to stay within the manufacturer’s specified DC limits.
Can the relay be mounted on a DIN rail?
Yes, the relay’s dimensions and mounting holes are compatible with standard DIN‑rail brackets. This allows for easy integration into existing control panels and facilitates quick replacement or upgrades.
What warranty does the product include?
American Zettler provides a one‑year limited warranty covering manufacturing defects. If a relay fails within the warranty period under normal operating conditions, we will replace it at no cost to the customer.
How do I ensure proper coil voltage for reliable operation?
The relay’s coil is designed for a 120 VAC supply. It is important to verify that the control circuit provides a stable voltage within the specified tolerance (±10%). Using a voltage regulator or a dedicated relay driver can help maintain consistent coil performance and prevent premature wear.





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