UVR-V4W · CAT. SF045
4-Wire U/V Cut-off Relay
Variable under-voltage cut-off only for 4-wire (R,Y,B + N) three-phase systems.
- For 4-wire system (R,Y,B phases and Neutral)
- With variable under voltage cut-off only
Specifications
- Rated supply voltage
- 380V / 415V / 440V AC, 50Hz
- Power consumption
- 5VA (max.) at rated voltage (transformer-based supply)
- Relay output contact
- 1CO, 5A at 250V AC (resistive)
- Under-voltage trip setting
- 75% to 95% of rated 3ø supply voltage
- Under-voltage reset gap (hysteresis)
- 12 ± 2V
- Over-voltage trip setting
- NA
- Over-voltage reset gap (hysteresis)
- NA
- ON delay time
- 0, 3, 7 & 10 Sec. (selectable)
- Trip time delay
- 3 ± 1 Sec.
- Resetting
- Auto-reset
- Indications
- RED: U/V cut-off / GREEN: Healthy / GREEN: Power ON
- Enclosure material
- ABS / PA6 - 30% GF
- Enclosure size (mm)
- 76.5 (L) x 45.5 (W) x 101 (D)
- Housing type
- Housing Type 'B'
- Mounting
- 35mm DIN rail & panel (surface) mounting
- Mounting dimensions
- 68 x 37 mm
- Mounting hardware
- M3.5 or M4 screws: 2 Nos.
- Terminal screw size
- 4BA x 8mm with captive washer
- Net weight
- 295 gms
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