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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 | 29 |
| Description | Frequency Monitor; 80-550V AC; 2 x SPDT; DIN Rail |
| Datasheet | Download Datasheet |
The TimeMark 29 is a frequency monitor for 80-550 V AC systems. It measures the line frequency and trips on low or high frequency, each with its own delay or disabled; the relay operation is user selectable.
Control supply: 24 V DC, 2 W. Frequency range: 40-70 Hz; 320-560 Hz with the 400 Hz jumper. Trip points: underfrequency 40 Hz to the high set point -1%, in 0.5 Hz steps; overfrequency low set point +1% to 600 Hz, in 0.5 Hz steps. Trip delay: 0-20 s (adjustable, high and low independent). Restart: 0-300 s (adjustable). Reset: automatic or manual (selectable).
Output: 2 x SPDT, 10 A at 240 V AC. Mounting: DIN rail. It operates from -29 to +54 °C.
| Category | |
| Manufacturer | TimeMark |
| Monitoring Function | Under and Over Frequency (each trip enabled or disabled) |
| Input Voltage | 80-550V AC |
| Control Supply Voltage | 24V DC, 2 W |
| Frequency Range | 40-70 Hz; 320-560 Hz with the 400 Hz jumper |
| Underfrequency Trip | 40 Hz to the high set point -1%, in 0.5 Hz steps |
| Overfrequency Trip | low set point +1% to 600 Hz, in 0.5 Hz steps |
| Hysteresis | 1-15% of set point (1% steps) |
| Trip Delay | 0...20 s (adjustable, high and low independent) |
| Restart Delay | 0...300 s (adjustable) |
| Reset Method | Automatic or manual (selectable) |
| Repeatability | +-0.5% |
| Contact Configuration | 2 x SPDT |
| Number of Poles | 2 |
| Output Rating | 10 A at 240 V AC |
| Mounting Type | DIN Rail |
| Dimensions | 4.14" (105.15mm) W x 3.54" (89.91mm) x 2.79" (70.87mm) H |
| Operating Temperature (°C) | -29...+54 |