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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | TimeMark |
| Manufacturer Product Number | 303-H |
| Description | TDR; 1...900 s; Multi-function; 40-260 V AC/DC; 2C DPDT; 8 Pin (Octal); Socketable |
| Datasheet | Download Datasheet |
The TimeMark 303-H is a multi-function time delay relay for 40-260 V AC/DC, with DPDT contacts rated 10 A resistive at 240 V AC. Its functions: on Delay or Interval (switch selected). Time ranges: 1-10, 1-30, 1-60, 1-100, 1-200, 1-300, 1-600 or 1-900 s (switch selected), set with DIP switches.
Contact rating: 10 A resistive at 240 V AC; 4 A general use at 120 V AC. Pilot duty: C300. Repeat accuracy: +-2%. Setting accuracy: +-5%. Power: 3 W max. Life: 10,000,000 operations mechanical, 100,000 electrical.
It plugs into an 8-pin octal socket (TimeMark 51X120, sold separately). It operates from -29 to +60 °C. Approvals: UL Recognized, CSA Certified.
| Category | |
| Manufacturer | TimeMark |
| Model | 303 |
| Output Technology | Electromechanical Relay |
| Timing Function | Multi-function |
| Delay Time | 1...900 s |
| Time Ranges | 1-10, 1-30, 1-60, 1-100, 1-200, 1-300, 1-600 or 1-900 s (switch selected) |
| Timing Adjustment Method | DIP switches |
| Available Timing Functions | On Delay or Interval (switch selected) |
| Contact Configuration | 2C DPDT |
| Output Rating | 10 A resistive at 240 V AC; 4 A general use at 120 V AC |
| Pilot Duty | C300 |
| Input Voltage | 40-260 V AC/DC |
| Termination Style | Plug In, 8 Pin (Octal) |
| Mounting Type | Socketable |
| Socket Family | 8 Pin Octal |
| Required Socket | TimeMark 51X120 (8-pin, not included) |
| Operating Temperature (°C) | -29...+60 |
| Approvals | UL Recognized, CSA Certified |
| Setting Accuracy (%) | +-5% |
| Repeatability (%) | +-2% |
| Mechanical Life | 10,000,000 cycles (100,000 cycles) |
| Rated Power | 3 W max |