- Brand: Omron Industrial Automation
- Model: H3DR-A
- Part Number: 2144 T
- Type: Multi-Function Timer Relay
- Technical Specs:
- Core Application: Precision timing control, delayed switching, sequential control, and pulse generation in industrial automation panels, HVAC systems, and motor starter control circuits.
- Operating Modes:
- Mode A: ON-Delay
- Mode B: Flicker OFF Start
- Mode B2: Flicker ON Start
- Mode C: Signal ON/OFF-Delay
- Mode D: Signal OFF-Delay
- Mode E: Interval / One-Shot Output
- Power Supply Voltage Options:
- 100 to 240 V AC (50/60 Hz)
- 24 to 48 V AC/DC (50/60 Hz)
- Power Consumption: Approx. 3.0 VA (AC) / 0.9 W (DC)
- Time Ranges: 0.1 second to 120 hours across 8 selectable ranges
- Contact Ratings:
- Resistive Load: 5 A at 250 V AC / 30 V DC
- Inductive Load (cos φ = 0.4): 2 A at 250 V AC
- Repeat Accuracy: ±0.2% max. (±0.2% ±10 ms)
- Setting Error: ±5% FS ±50 ms max.
- Reset Voltage: 10% max. of rated supply voltage
- Reset Time: 0.1 second max.
- Indicators & Diagnostics:
- Green LED: Power ON / Timing state indicator
- Red LED: Relay Output status ON/OFF
- Terminal / Wiring Type: Finger-safe screw terminals
- Mounting Format: 17.5 mm width ultra-slim DIN rail mounting (EN 60715)
- Housing Material: Polycarbonate UL94V-0 self-extinguishing resin
- Protection Class / IP Rating: IP20
- Operating Temperature Range: -10°C to +55°C
Weight: 150 g
Dimensions: 100 x 75 x 25 mm
Country of Origin: Japan
HS Code: 9031.80.80