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Macromatic voltage sensor relays are divided into voltage monitor relays and 3-phase monitor relays. Voltage monitor relays like the VMP, VAKP & VWKE Series are used for monitoring single-phase AC & ...Read More
Macromatic voltage sensor relays are divided into voltage monitor relays and 3-phase monitor relays. Voltage monitor relays like the VMP, VAKP & VWKE Series are used for monitoring single-phase AC & DC voltages to protect equipment against faults like over & under voltages. These voltage sensing relays do not require separate input voltage as they are powered by the monitored voltage. Three-phase monitor relays like PAP, PCP, PLP, PBDU, PC1 & PMP Series, on the other hand, continuously monitor for voltage / phase faults like phase loss, phase reversal, phase unbalance, undervoltage & overvoltage faults and rapid cycling to protect equipment in three-phase systems. These relays continue monitoring even with a lost phase and can detect single-phasing & unbalanced voltages irrespective of regenerative voltages. Read Less
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R1| Style | Model | Number Of Pins | Number Of Contacts | Input Voltage | Contact Form | Amps Rating | Phase | Ac Voltage | Output Amps | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | PBDU | - | - | - | SPDT | 5A | - | 208-480V AC | - | £125.70 | RFQ
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| B | VWKE024D | - | - | - | - | - | - | - | - | £91.24 | RFQ
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| C | VAKP048D | - | - | - | - | - | - | - | - | £123.62 | |
| D | VAKP480A | - | - | - | - | - | - | - | - | £143.17 | |
| E | PCP575 | - | - | - | - | - | - | 460-600V AC | 10A | £94.70 | |
| F | PLPU | - | - | - | - | - | - | 190-500V AC | 10A | £81.49 | |
| G | PMPU-FA8X | - | - | - | - | - | - | 190-500V AC | 5A | £126.50 | |
| H | VMP240A | - | - | - | - | - | - | - | - | £143.17 | |
| I | VMP480A | - | - | - | - | - | - | - | - | £143.17 | |
| J | VMP024D | - | - | - | - | - | - | - | - | £114.46 | |
| K | VWKP012D | - | - | - | - | - | - | - | - | £123.62 | |
| L | VWKP120A | - | - | - | - | - | - | - | - | £123.62 | |
| M | VWKP240A | - | - | - | - | - | - | - | - | £143.17 | |
| N | VWKP048D | - | - | - | - | - | - | - | - | £123.62 | |
| O | PC1MDUL | - | - | - | DPDT | 10A | - | - | - | £464.92 | RFQ
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| P | VAKP110D | - | - | - | - | - | - | - | - | £123.62 | |
| Q | VMP240AX | - | - | - | - | - | - | - | - | £151.48 | |
| R | VWKP110D | - | - | - | - | - | - | - | - | £123.62 | |
| S | PAP400 | - | - | - | - | - | - | 400V AC | 10A | £94.70 | |
| T | VWKP480A | - | - | - | - | - | - | - | - | £143.17 | |
| U | VMP048D | - | - | - | - | - | - | - | - | £114.46 | |
| V | PAP575 | - | - | - | - | - | - | 460-600V AC | 10A | £107.59 | |
| W | PLP575 | - | - | - | - | - | - | 460-600V AC | 10A | £94.70 | |
| X | VMP110D | - | - | - | - | - | - | - | - | £114.46 | |
| Y | VMP012D | - | - | - | - | - | - | - | - | £114.46 | |
| Z | VMP120A | - | - | - | - | - | - | - | - | £114.46 | |
| A1 | VWKP024D | - | - | - | - | - | - | - | - | £123.62 | |
| B1 | PJPU-FA8X | - | - | - | - | - | - | 190-500V AC | 5A | £126.50 | |
| C1 | PMD120 | - | - | - | - | - | - | 102-138V AC | 10A | £180.98 | |
| D1 | PMPU-FA12X | - | - | - | - | - | - | 190-500V AC | 5A | £144.61 | |
| E1 | PMP120 | - | - | - | - | - | - | 102-138V AC | 10A | £134.81 | |
| F1 | PMDU | 0 | 2 | - | - | - | 3 | - | - | £184.68 | |
| G1 | PMD575 | 0 | 2 | - | - | 10A | 3 | 460-600V AC | 10A | £195.90 | |
| H1 | VWKE240A | 5 | 1 | 240V AC | - | 15A | 1 | - | - | £87.36 | |
| I1 | VWKE120A | 5 | 1 | 120V AC | - | 15A | 1 | - | - | £59.07 | |
| J1 | VAKP240A | 8 | 1 | - | - | 10A | 1 | - | - | £113.10 | |
| K1 | VAKP120A | 8 | 2 | - | - | 10A | 1 | - | - | £99.38 | |
| L1 | PAP240 | 8 | 1 | 240V AC | SPDT | 10A | 3 | - | - | £78.63 | |
| M1 | PAP208 | 8 | 1 | 208V AC | SPDT | 10A | 3 | - | - | £84.32 | |
| N1 | PMPU | 8 | 1 | 208-480V AC | SPDT | 10A | 3 | - | - | £125.92 | |
| K1 | VAKP012D | 8 | 2 | - | - | 10A | 1 | - | - | £90.80 | |
| O1 | PCPU | 8 | 1 | - | - | 10A | 3 | 190-500V AC | 10A | £82.04 | |
| P1 | PMP575 | 8 | 1 | - | - | 10A | 3 | 460-600V AC | 10A | £156.32 | |
| Q1 | PMPU-FA8 | 8 | 1 | 208-480V AC | SPDT | 10A | 3 | - | - | £120.48 | |
| K1 | VAKP024D | 8 | 2 | - | - | 10A | 1 | - | - | £97.48 | |
| R1 | PAP480 | 8 | 1 | 480V AC | SPDT | 10A | 3 | - | - | £76.35 |
Macromatic's PMPU-FA8 3-phase line monitor is used in 190 to 500V three-phase systems to protect motors & equipment from 5 phase errors like phase loss, phase reversal, phase unbalance, undervoltage & overvoltage faults and rapid cycling. It can detect single-phasing & unbalanced voltages irrespective of regenerative voltages. This PMP Series voltage sensing relay continues functioning with a lost phase, unlike similar three-phase monitor relays for ease of troubleshooting.
Macromatic relays generally specify their consumed power as burden / load in VA (volt-amps) or Watts units. The current drawn by the device can be calculated in Amperes by dividing the VA specification by the voltage powering the device.
Phase reversals can cause backward-running of the rotating equipment leading to damage. They are generally caused due to miswiring. Macromatic three-phase monitor relays come with a protection feature to prevent equipment from running under this condition.
Voltage band relays protect those equipment that need to be operated within an upper & lower voltage limit. The equipment remains energised within a set voltage range. Whenever the operating voltage goes beyond or below this range, the relay drops out and the equipment de-energises. Over or under voltage relays on the other hand simply energise the relay output only when voltage is below or above the dial setting threshold, respectively.