The Omron H3DKZ-A2 is a compact multifunction timer relay engineered for industrial automation, process control, and machinery timing applications. Part of Omron’s H3DK series, this timer relay supports multiple timing functions including ON-delay, OFF-delay, interval, flicker, and signal ON/OFF operations, making it highly versatile for industrial control systems. The relay operates on a universal 24–240V AC/DC supply voltage and features precise digital timing adjustment with high repeat accuracy and long operational life. Its slim DIN rail mount design enables easy installation in control panels and automation cabinets. The H3DKZ-A2 is widely used in conveyors, motor starters, HVAC systems, compressors, packaging machinery, lighting controls, and industrial process automation where reliable timing sequences and switching control are essential.
Product Specifications
| Specification | Details |
| Brand | Omron |
| Model | H3DKZ-A2 |
| Product Series | H3DK |
| Product Type | Multifunction Timer Relay |
| Timing Functions | ON Delay, OFF Delay, Interval, Flicker |
| Supply Voltage | 24 – 240V AC/DC |
| Frequency | 50/60 Hz |
| Time Range | 0.1 sec to 1200 hrs |
| Output Type | DPDT Relay Output |
| Contact Rating | 5A at 250V AC |
| Mounting Type | DIN Rail Mount |
| Terminal Type | Screw Terminal |
| Reset Method | Power Reset |
| Indication | LED Status Indicators |
| Operating Temperature | -20°C to +60°C |
| Protection Rating | IP30 |
| Housing Width | 17.5 mm |
| Applications | Industrial Automation, HVAC, Conveyors, Motors |
| Country of Brand Origin | Japan |
