T3231 Cyclic Dual-Display Timing Relay DC12V 24V AC110-220V

Cyclic Dual-Display Timing Relay T3231 — Precise Automated Control

Take full control of your electrical circuits with the T3231 Cyclic Dual-Display Timing Relay. Designed for versatility across a wide voltage range — DC 12V, 24V and AC 110–220V — this compact relay module delivers reliable, programmable cyclic switching for automation projects, industrial equipment, DIY electronics, and more. The vivid Red & Blue dual-display makes it easy to read ON and OFF timing values at a glance, eliminating guesswork during setup and operation.

Key Features

• Wide Voltage Compatibility: Supports DC 12V, 24V and AC 110V–220V — a single module for multiple applications.
• Cyclic Timing Operation: Automatically repeats ON/OFF cycles according to your programmed intervals, ideal for irrigation timers, lighting control, pumps, motors, and more.
• Dual-Display Panel: Separate Red (ON time) and Blue (OFF time) LED displays allow simultaneous, easy-to-read monitoring of both timing values.
• Durable Construction: Built from a combination of plastic and metal for lasting durability in everyday use.
• Compact Form Factor: Measures just 7.95 × 4.21 × 2.78 cm (3.12 × 1.65 × 1.09 in) — fits neatly into panels and enclosures.
• Easy Programming: Intuitive button controls let you set timing intervals quickly without complex software or tools.
• Multiple Configurations Available: Choose from 3 size/variant options to match your project's requirements.

Specifications

• Model: T3231
• Input Voltage: DC 12V / DC 24V / AC 110–220V
• Display: Dual LED (Red + Blue)
• Material: Plastic + Metal
• Dimensions: 7.95 × 4.21 × 2.78 cm / 3.12 × 1.65 × 1.09 in
• Operation Mode: Cyclic ON/OFF timing relay

Ideal Applications

• Automated irrigation and water pump control
• Lighting and sign automation
• Industrial machine timing sequences
• DIY electronics and hobbyist projects
• HVAC and ventilation cycle control

For guidance on electrical safety when working with relay modules and control circuits, refer to the OSHA Electrical Safety Guidelines.

Frequently Asked Questions

Q: What does the T3231 Cyclic Dual-Display Timing Relay do?

A: The T3231 Cyclic Timing Relay automatically switches a connected circuit ON and OFF in repeating cycles based on your programmed time intervals. It supports DC 12V, 24V, and AC 110–220V, making it suitable for a wide range of automation tasks including pump control, lighting schedules, and industrial equipment timing.

Q: What is the difference between the Red and Blue displays on the T3231 relay?

A: The Red display shows the programmed ON-time interval, while the Blue display shows the programmed OFF-time interval. Having both values visible simultaneously makes it easy to monitor and adjust your cycle settings at a glance.

Q: Is the T3231 Timing Relay compatible with both DC and AC power supplies?

A: Yes. The T3231 is designed to work with DC 12V, DC 24V, and AC 110V–220V, giving it broad compatibility with a variety of power supplies used in residential, automotive, and light industrial settings.

Q: What materials is the T3231 relay module made from?

A: The T3231 is constructed from a combination of durable plastic and metal, ensuring reliable performance while keeping the unit lightweight and compact enough to fit into standard panels and enclosures.