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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 | B258B-400HZ |
| Description | Phase Monitor Relay; 3-Phase; 120V AC; 85...120V AC; 1C SPDT |
| Datasheet | Download Datasheet |
The TimeMark B258B-400HZ is a 3-phase monitor for 120 V AC, 400 Hz systems. It drops its output relay out on phase loss, phase reversal and undervoltage and resets once the fault clears.
Trip points: undervoltage 85-120 V AC. Adjustment: field adjustable. Trip delay: phase loss / reversal 50 ms. Reset: automatic.
Output: 1C SPDT, 10 A at 240 V AC resistive. Mounting: plug-in, on an 8-pin octal (TimeMark 51X120 socket) base. Indicator: "TRIP" (red) and "NORM" (green). Approvals: UL Recognized and CSA Certified. It operates from -29 to +55 °C.
| Category | |
| Manufacturer | TimeMark |
| Model | 258 |