Minilec F3 VSR4 Phase Failure Relay
- Brand
- Minilec
- Model number
- F3 VSR4
- Category
- Protection & Monitoring Relays
Minilec F3 VSR4 phase failure relay with 2 CO output. Typical uses: inverter, UPS, auto mains failure panels.
Price and availability on request
Key features
- Phase Failure, Phase Sequence
- Adjustable Unbalance Settings
- Adjustable UV / OV Settings
- Adjustable Trip Time Delay
- Auto/Manual Reset, 2 CO Output Relay
- Selectable Fail Safe / Non-Fail Safe logic
- 3 Ph- 3W, 3Ph-4W Voltage Monitoring
- Microcontroller Design, True RMS Display
Specifications
| Output Relay Contacts | 2 CO |
|---|---|
| Output Contact Rating | 5 Amp, 240 VAC [RESISTIVE] |
| Monitoring | Phase To Phase Voltages or Phase To Neutral Voltage |
| Power On Delay | 3.5 ± 1.5 Sec. |
| Settings | Keyboard [4 Keys] |
| Setting Parameters & Trip Level | Refer Product Manuals |
| Test Facility | Simultaneous Press Esc & Up Keys. |
| Reverse Phasing Trip Delay | Instantaneous (Less Than 1 Sec.) |
| Setting Accuracy | ± 2 % of Set Parameter |
| Time Accuracy | ± 5 % of Setting |
| Display | Display LCD [16 X 2 Char. Type With Backlit] |
| Display Voltage Resolution | 1 Volt |
| Display Accuracy | ± (1 % + 5 Digits) of Nominal Voltage |
| Resetting | Auto / Manual [simultaneous Press Up & Down Keys] |
| Enclosure | F3 Series ABS |
| Mounting | Flush Mounting |
| Weight [gms.] | 800 (Approx.) |
| Note | Wherever not specified Contact Rating : 5A @ 230 V AC (resistive) |
| System | 110/415 V AC + 20%, -30% (3 Ph-3 W or 3 Ph-4 W selectable) |
|---|---|
| Auxiliary Supply | 24 VDC/90-270 V AC/DC, 50 Hz/ (60 Hz) ± 3% |
| UV Reset Gap | 3 % ± 1 % of Trip Setting. |
|---|---|
| OV Reset Gap | 3 % ± 1 % of Trip Setting |
| Unbalance Reset Gap | 20 % ± 5 % of Trip Setting |
| P. On (Green) | Power On |
|---|---|
| OV (Red) | Over Voltage |
| UV (Red) | Under Voltage |
| UB/ SP (Red) | Unbalance / Single Phasing / Reverse Phasing |
| Overall [mm] | 96 X 96 X 80 Mm [h X W X D] |
|---|---|
| Cutout [mm] | 92 X 92 [+ 1/- 0] Mm |
| Temperature | 0° to 60° C |
|---|---|
| Humidity | Up to 95% Rh |
| Applications | Inverter, UPS, Auto Mains Failure Panels, Battery Charger Panel, DC Drive Control panels, DG Set Panel |
|---|
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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