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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 | A158B |
| Description | Phase Monitor Relay; 3-Phase; 480V AC; 380...500V AC; 1C SPDT |
| Datasheet | Download Datasheet |
The TimeMark A158B is a 3-phase monitor for 480 V AC, 60 Hz systems. It drops its output relay out on phase loss, phase reversal and undervoltage and resets once the fault clears.
Trip points: undervoltage 380-500 V AC. Adjustment: field adjustable. Trip delay: phase loss / reversal 0.5 s. Restart: 2 s. Reset: automatic.
Output: 1C SPDT, 10 A at 240 V AC resistive. Mounting: DIN rail or surface mount. Indicator: TRIPPED LED (red); RESTART LED (green) on R versions. It operates from -29 to +55 °C.
| Category | |
| Manufacturer | TimeMark |
| Model | 158 |
| Part Status | Discontinued |