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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | ATC Diversified |
| Manufacturer Product Number | VBA-28-DLA |
| Description | Voltage Monitor Relay; Voltage Band (Window); 28 VDC; 0.5 s; DPDT; Socketable |
| Datasheet | Download Datasheet |
The ATC Diversified VBA-28-DLA is a single-phase voltage band monitor for 28 V DC supplies. Its relay stays energized while the voltage is inside the band and drops out when it goes above or below it.
Trip points: low voltage 22-28 V DC adjustable / 1 V hysteresis; high voltage 28-34 V DC adjustable / 1 V hysteresis. Adjustment: adjustable (locknut). Trip delay: 0.5 s. Pick-up delay: 50 ms. Reset: automatic.
Output: 2 Form C (DPDT), 5 A resistive at 240 V AC; 211 VA at 240 V AC. Mounting: plug-in. Approvals: cULus Listed (E55826), CSA. It operates from 0 to +55 °C and stores from -45 to +85 °C.
| Category | |
| Manufacturer | ATC Diversified |
| Model | VBA |
| Monitoring Function | Voltage Band (Window) |
| Input Voltage | 28 VDC |
| Pickup Voltage Adjustment | Adjustable (locknut) |
| Low Voltage Trip / Reset | 22...28V DC adjustable / 1 V hysteresis |
| High Voltage Trip / Reset | 28...34V DC adjustable / 1 V hysteresis |
| Pickup Delay | 50 ms |
| Trip Delay | 0.5 s |
| Reset Method | Automatic |
| Contact Configuration | 2 Form C (DPDT) |
| Number of Poles | 2 |
| Output Rating | 5 A resistive at 240 V AC; 211 VA at 240 V AC |
| Mounting Type | Socketable |
| Termination Style | Plug In |
| Operating Temperature (Storage) | 0...+55 °C (-45...+85 °C) |
| Approvals | cULus Listed (E55826), CSA |