DatasheetDelta D4-F
Residual current device, 4 DIN modules
| Type | Residual current device for industrial applications |
|---|---|
| Model | Delta D4-F |
| Format | 4 DIN modules according to DIN 43880 |
| Input | Low-voltage line with TDS series transformer |
| Waveform | Sinusoidal, AC type; chopped pulsating with superimposed DC component, A type according to EN 60947-2 Annex B and M / IEC 60947-2 |
| Rated frequency | 50 Hz |
| Working frequency | 47…63 Hz |
| Residual current setting | Selectable by 7-position potentiometer, 3 ranges ×1 / ×10 / ×100 |
| IΔn ranges | 30 mA…30 A |
| Non-operating residual current | 0.5 × IΔn |
| Intervention time | Selectable by 7-position potentiometer |
| Intervention time ranges | 0 / 0.15 / 0.25 / 0.5 / 1 / 2.5 / 5 s |
| Instantaneous trip | t = 0 s at IΔn 30 mA |
| PF function | Alarm + power fail signalling |
| AL50% function | Alarm + 50 % IΔn pre-alarm |
| Power fail relay | Positive safety, normally energized relay |
| Alarm relay | Negative or positive safety, selectable by DIP switch |
| Pre-alarm relay | Negative safety, normally de-energized relay |
| Harmonic filter | Available, field-selectable for industrial applications |
| Filter note | When the harmonic component filter is connected, the device must not be used for personnel protection with IΔn range 30 mA |
| Power-on signalling | Green LED “ON” |
| Instantaneous value display | LED bar graph with 4 yellow LEDs, 20 / 30 / 40 / 50 % of the set IΔn value |
| Alarm intervention | Red LED “TRIP” and relay switching |
| Ring current transformer-relay connection failure | Red LED “TRIP” blinking and relay switching |
| Pre-alarm | 50 % IΔn, relay switching |
| Manual test | Verifies the residual current relay perfect working |
| Local test | Front key |
| Remote test | By external contact, not available with DC supply and Uaux 48 VAC |
| Automatic continuous test | Verifies the integrity of the connection between relay and ring core |
| Alarm memorization | Red LED “TRIP” and relay self-retaining |
| Reset | Manual, local or remote |
| Reset inhibit | With persistent residual current > 50 % IΔn |
| Output | Alarm relay, pre-alarm relay and power fail relay depending on selected function |
| Contact rating | 5 A / 250 VAC at cosφ 1; 3 A / 250 VAC at cosφ 0.4; 5 A / 30 VDC |
| AC auxiliary supply | 24 / 48 / 115 / 230 / 240 / 400 VAC |
| AC tolerance | 0.85…1.1 Uaux; 40…60 V at Uaux 48 V |
| Auxiliary supply rated frequency | 50 Hz |
| Auxiliary supply working frequency | 47…63 Hz |
| AC power consumption | ≤ 2.5 VA |
| DC auxiliary supply | 20…150 VDC / 10…36 VDC |
| Reverse polarity protection | Available |
| DC power consumption | ≤ 2.5 W |
| Short interruption of auxiliary supply | Immunity up to 150 ms |
| Installation category | III |
| Pollution degree | 2 |
| Insulation reference voltage | 450 V |
| Impulse withstand voltage | 5 kV, 1.2/50 µs, 0.5 J |
| AC voltage test 1 | 2.5 kV R.M.S., 50 Hz / 1 min |
| Considered circuits 1 | Input, relay output, auxiliary supply |
| AC voltage test 2 | 4 kV R.M.S., 50 Hz / 1 min |
| Considered circuits 2 | All circuits and earth |
| Electromagnetic compatibility | Emission tests according to EN / IEC 60947-2; immunity tests according to EN / IEC 60947-2 |
| Operating temperature | -5…50 °C |
| Limit temperature range | -10…55 °C |
| Storage temperature range | -40…70 °C |
| Relative humidity | 50 % according to IEC 60755, highest value at 40 °C |
| Climatic suitability | Suitable for tropical climates |
| Max. power dissipation | ≤ 2 W |
| Mounting | 35 mm DIN rail |
| Rail type | TH35-15 according to EN / IEC 60715 |
| Connections | Screw terminals for cable up to 4 mm² |
| Housing material | Self-extinguishing polycarbonate |
| Protection degree | IP40 front frame, IP20 terminals |
| Weight | 280 g |
