Best 24 Volt Timer Relay Options for Automation Projects
Answering the common buyer question: which 24V timer relays provide dependable delay control for industrial and DIY automation? This guide highlights five solid 24V timer relays, focusing on circuits that use DC 24V control. Each option is suited to different needs—from compact DIN-rail modules for control panels to more feature-rich, multi-function relays for sequencing and automation logic. The top picks are best for developers, technicians, and engineers managing cooling cycles, process timing, or machine start/stop sequences. A quick summary table of the selected products is included below for fast comparison.
| Product | Voltage | Delay Range | Contacts | Best For |
|---|---|---|---|---|
| AKJYXGHC H3Y-2 DPDT | DC 24V | 0-60 seconds | DPDT | Compact control panels |
| Baomain AH3-3 DPDT | 24V AC/DC | 60s | DPDT | Logic-based sequencing |
| IGEYAPA GRT6-M1 | 24-240V AC/DC | 0.1s–10 days | 1SPDT | Multi-function timing |
| Baomain THc15A | 24V input | 1 min–168 hours | 16A | Programmable timing |
| DROK Time Delay Relay | 24V | 0.01s–9999min | Various (configurable) | LCD display clarity |
AKJYXGHC H3Y-2 DC 24V Delay Timer Relay DPDT
The AKJYXGHC H3Y-2 is a compact DPDT timer relay designed for DC 24V control. It features a 60-second time range and eight terminals mounted on a 3.5mm DIN rail base. Best for small control panels where a compact timer with dual switching is required. Its dual-pole design supports simple sequencing without extra relays. A limitation is the fixed 60-second maximum, which may require a separate module for longer delays.
Baomain AH3-3 DPDT 24V Timer Delay Relay
The Baomain AH3-3 offers a specialized dual-logic contact mode with one set of timed contacts and one set of instantaneous contacts. This design supports self-holding or signaling logic immediately upon power-up, enabling more sophisticated automation without extra relays. It provides a reliable 60-second delay with universal 24V AC/DC control and dual LED indicators for status visibility. Best for systems requiring added logic without extra components. Caution: verify inline power requirements when integrating with mixed AC/DC control schemes.
IGEYAPA GRT6-M1 Multifunction Timer Relay
The GRT6-M1 from IGEYAPA is a versatile, multifunction timer relay with a broad voltage range (AC 24-240V). It offers five timing functions controlled by power supply voltage and four by control input, plus a latching option. Delay times span from 0.1 seconds to 10 days, making it suitable for complex sequencing, batch processing, or drum-heat cycling. Best for industrial environments needing flexible timing profiles. Choose this if you require multiple preset modes in one device. Limitation: the broader feature set can complicate setup for simple on/off delay tasks.
Baomain THC15A 24V Digital LCD Programmable Timer
The Baomain THC15A is a digital LCD timer with 24V input, capable of 1 minute to 168 hours. It supports programmable weekly or daily schedules with up to 16 timer settings per week and includes a rechargeable internal battery for memory. Best for automation setups requiring programmable calendars and longer wait times. Use this when complex daily/weekly timing is necessary. Limitation: larger footprint and higher price versus simple fixed-delay relays.
DROK Time Delay Relay with LCD and 24V Input
The DROK timer relay offers a 24V input with an LCD display for clear parameter viewing. It supports time ranges from 0.01 seconds to 9999 minutes and allows independent OP/CL/LOP parameter settings. This makes it well-suited for quick, visible adjustments in lab or workshop experiments. Best for users who value on-device parameter visibility and straightforward configuration. Limitation: some users may prefer more robust remote monitoring options for complex installations.
Buying Guide: Key Purchase Considerations
- Voltage compatibility: Confirm 24V DC control or AC/DC range required for your system. Some models list AC/DC compatibility, others are strictly DC 24V.
- Delay range: Choose a product whose delay window matches your application—seconds for sequencing, minutes to days for cycling or batching.
- Contact configuration: DPDT vs SPDT, or latching vs non-latching, affects how you wire the relay and implement logic.
- Form factor: DIN rail mounting is ideal for control panels; compact options fit limited enclosures.
- Programmability: Some relays offer multiple functions, cycles, or programmable calendars. More features add flexibility but increase setup complexity.
- Indication and visibility: LED indicators or LCD displays help with quick diagnostics and adjustments in busy environments.
- Reliability and environment: Consider operating voltage range, insulation, and material quality for industrial settings.
Frequently Asked Questions
- What is the typical use for a 24V timer relay?
They control machine start/stop sequences, pre-heating or cooldown cycles, lighting schedules, and other timed processes in automation systems.
- What does DPDT mean in timer relays?
DPDT means double pole, double throw, enabling two independent circuits to switch simultaneously.
- Can these relays operate on DC and AC power?
Some models support both, but check the specific product’s listed voltage range and compatibility to ensure proper operation.
- Is a digital LCD timer easier to use than a fixed-delay relays?
Yes, a digital LCD timer provides clearer parameter display and easier adjustment for complex timing needs.
- What should I consider when choosing a timer for DIN rail mounting?
Ensure the rail type, terminal count, and mechanical dimensions fit your panel space and wiring plan.