Three Phase Voltage Monitoring Relay
| Technical parameters | DV5-03~12/M480 | DV5-03~12/M277 |
| Supply | ||
| Supply terminals: | L1/L2/L3 | L1/L2/L3/N |
| Supply voltage: (AC 50 - 60 Hz) |
208-220-230-240-380 400-415-440-460-480 |
120-127-132-138-220 230-240-254-265-277 |
| Consumption max.: | 5 VA / 2. 10 V, AC 230 V, AC 400 V), 2 V 4 W (A A / 1. C/DC 24 V) |
|
| Max. dissipated power (Un + terminals): |
6.5 W (110 V, 230 V, 400 V), 5.5 W (24 V) |
|
| Supply voltage tolerance: | -15%;+10% | |
| Measuring circuit | ||
| Voltage set: | 3x 400 V / 50 - 60 Hz | 3x 400 V / 230 V / 50 - 60 Hz |
| Monitored terminals: | L1, L2, L3 | L1, L2, L3, N |
| Upper voltage level: | 240 - 480 V | 138 - 276 V |
| Bottom voltage level: | 35-99% Umax | |
| Max. permanent overload: | 600 V | 332V |
| Hysteresis: | 2 % of set value | |
| Asymmetry: | 5 - 20 % | |
| Peak overload < 1 ms: | 650V < 1 ms | 350 V < 1 ms |
| Time delay t1: | fixed, max.200ms | |
| Time delay t2: | fixed 2s or adjustable 0.1-10 s | |
| Accuracy | ||
| Set. accuracy (mechanical): | 5% | |
| Repeat accuracy: | < 1 % | |
| Temperature dependance: | < 0.1 % / °C (°F) | |
| Limit values tolerance: | 5% | |
| Output | ||
| Number of contacts: | 1x changeover / SPDT | |
| Rated current: | 8 A / AC1 | |
| Switching capacity: | 2000 VA / AC1, 192 W / DC | |
| Inrush current: | 12 A / < 3 s | |
| Switching voltage: | 250 V AC1 / 24 V DC | |
| Mechanical life: | 3x107 | |
| Electrical life (AC1): | 0.7x10⁵ | |
| Other informatio | ||
| Operating temperature: | -30℃ to 70℃ | |
| Storage temperature: | -45℃ to 85℃ | |
| Electrical strength: | 4 kV (supply-output) | |
| Operating position: | any | |
| Mounting: | DIN rail EN 60715 | |
| Protection degree: | IP40 from front panel / IP20 terminals | |
| Overvoltage category: | III. | |
| Pollution degree: | 2 | |
| Max. cable size (mm²): | solid wire max. 1x2.5 or 2x1.5 / with sleeve max. 2x1.5 (AWG 14 ) |
|
| Dimensions: | 90x18x70 mm | |
| Weight: | 80 g | 78 g |
| Standards: | IEC60947-5-1 EN 60255-6, EN 61010-1 | |
| Packing Details : | Box DIM:505x230x189, QTY:100Pcs, GW:9.1kg | |
Description
Description and importance of functions code
| Function code |
Over voltage |
Under voltage |
Under voltage |
Delay time |
Phase seqUsnce |
Phase fail |
Reset delay time |
| 03 | ● | ● | 1s | ||||
| 04 | 2%...20% | -20%...2% | 0.1s...10s | ● | 1s | ||
| 05 | 2%...20% | -20%...2% | 0.1s...10s | ● | ● | 1s | |
| 06 | 2%...20% | -20%...2% | 5%...15% | 2s | ● | 1s | |
| 07 | 2%...20% | -20%...2% | 5%...15% | 2s | ● | ● | 1s |
| 08 | 2%...20% | -20%...2% | 12.5% , 2s | 0.1s...10s | ● | 1s | |
| 09 | 2%...20% | -20%...2% | 12.5% , 2s | 0.1s...10s | ● | ● | 1s |
| 10 | 15% | -15% | 12.50% | 2s | ● | ● | 1s |
| 11 | 15% | -15% | 12.50% | 2s | ● | 1s | |
| 12 | 15% | -15% | 2s | ● | ● | 1s | |
| Note: the function is available | |||||||
Connection
Symbol
Function
Connection
Relay is designated to monitor 3-phase circuits. Type N230 controls voltage towards neutral wire, type A400 controls inter phase voltage. Relay can monitor voltage in two levels (overvoltage / undervoltage), phase asymetry, phase sequence and phase failure. Each faulty state is indicated by individual LED.
Time delays t1(fixed) - when changing from faulty to normal state or when de-energized and t2 when changing from normal to faulty state. These delays prevent incorrect conduct and oscillation of output device during short voltage peaks in the main or during gradual voltage decline into normal.
Voltage control
Set upper level Umax in range Us×(1+5%)-Us×(1+30%) and lower level Umin in range Us×(1-5%)-Us×(1-30%) Umax. In case any phase passes this range, after a delay which eliminated short voltage peaks, contact opens. Output contact again switches after returning back into monitored voltage range and exceeding fixed hysteresis . In case of failure of two or three phases, the relay is deactivated immediately regardless of the set delay t2.
Phase sequence
Monitors correctness of phase sequence. In case of unwanted change output contact breaks. In case of energization of a device with incorrect phase sequence, contact stays opened.
Asymmetry
Rate of assymetry between individual phases is set in a range of 5-15 %. In case set asymmetry is exceeded, output relay breaks and LED indicating asymetry shines. Delays t1, t2 and hysteretic are applicable when returning to normal state.