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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-24-AFN |
| Description | Voltage Monitor Relay; Voltage Band (Window); 24 VAC; 0.5 s; SPDT; Surface Mount |
| Datasheet | Download Datasheet |
The ATC Diversified VBA-24-AFN is a single-phase voltage band monitor for 24 V AC 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 21.6 V AC, fixed; high voltage 26.4 V AC, fixed. Adjustment: fixed, factory set. Trip delay: 0.5 s. Pick-up delay: 50 ms. Reset: automatic.
Output: 1 Form C (SPDT), 10 A resistive at 240 V AC; 180 VA inductive at 120 V AC. Mounting: surface mount (#8 screws), screw terminals. Approvals: cULus Listed (E55826). 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 | 24 VAC |
| Pickup Voltage Adjustment | Fixed, factory set |
| Low Voltage Trip / Reset | 21.6V AC, fixed |
| High Voltage Trip / Reset | 26.4V AC, fixed |
| Pickup Delay | 50 ms |
| Trip Delay | 0.5 s |
| Reset Method | Automatic |
| Contact Configuration | 1 Form C (SPDT) |
| Number of Poles | 1 |
| Output Rating | 10 A resistive at 240 V AC; 180 VA inductive at 120 V AC |
| Mounting Type | Surface mount (#8 screws) |
| Termination Style | Screw Terminal |
| Operating Temperature (Storage) | 0...+55 °C (-45...+85 °C) |
| Approvals | cULus Listed (E55826) |