The MP8000 Provides Ideal Motor/Pump Protection – From 10m Away!

The MP8000 Provides Ideal Motor/Pump Protection – From 10m Away!

"The MP8000 dramatically increases motor protection, resulting in longer motor life plus reduced downtime and repair costs"

There’s a smarter way to protect your motors and pumps – the MP8000 Bluetooth Overload Relay!

This advanced relay was designed for safety & convenience by allowing users to read motor data via an app on their smart phone or tablet up to 10m away, improving arc flash safety for personnel.

The MP8000 offers all, if not more, of the protection features provided by other motor/pump protection products, at a significantly better price.

Product Features

  • Voltage and current based protection for motors
  • Features included overload, earth fault, phase loss, current unbalance and more
  • Monitor and control the MP8000 via your smart phone or tablet
  • Programmable voltage and current settings via your smart phone or tablet
  • Real-time viewing of voltage, current and last fault
  • Reduce set up time: less wiring
  • Increased safety via remote monitoring
  • Pair multiple MP8000 relays to your smartphone or tablet


Monitor and control your motors & pumps from your car via the App!

Using the Littelfuse MP8000 App, you can monitor and control the basic operation of your motors and pumps from up to 10m away. It’s the first enhanced overload relay with wireless Bluetooth connectivity - a feature not currently available on advanced relays.


Perfect for Water Pumping Applications!

Regardless of their function, water and wastewater facilities share one critical system in common. They all use pumps, whether it’s to move water into a plant or send treated wastewater back into the environment. The motors inside these pumps are subject to damage from electrical hazards that can cause them to fail, resulting in significant downtime and replacement costs.


With its unique features and capabilities, the MP8000 Series Bluetooth Enabled Motor Protection Relay from Littelfuse is ideal for protecting motors and pumps in a variety of water/wastewater facilities, including:

  • Treatment Plants
  • Lift Stations
  • Booster Stations
  • Stormwater Retention Facilities & Water Towers
  • Water Wells

Read our wastewater application guide here

Read more about the Littelfuse MP8000 relay

View Fuseco Motor Protection Range

Please contact the team at FUSECO for further information on the Littelfuse MP8000 Bluetooth Overload Relay and all your Motor & Feeder protection requirements.

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Top FAQs

A protection relay is a device that receives inputs typically from current transformers CT’s (but can be other sources) and then compares these inputs to set levels. If these inputs exceed the set levels a protection relay can then provide that information via display or indication, feed that information to other electronic control devices or it can be connected to a circuit breaker to isolate power.

Yes, currently Fuseco can offer both earth leakage and NER relays that are compliant to AS2081:2011. The relay manufacturer (Littelfuse) is also currently in the final stages of development for an AS2081:2011 compliant continuity relay that we expect to release in the near term.

An arc fault is a type of electrical fault that results from the breakdown of an insulating medium between two conductors where the energy is enough to sustain an arc across the insulator (often air) and can cause extreme amounts of light (arc flash), immense heat upwards of 19,000 degrees, and a resulting explosive pressure wave (arc blast). By using a relay that has optical sensors we can detect the flash of light the emanates from an Arc Flash and within 1 msec send a signal to a breaker to interrupt power. Because of the immense energy being released by an Arc Flash reaction time is critical. It can be seen on the graph that with a relay reaction time of only 1 msec (+ circuit breaker reaction time) we can interrupt power before the Arc Flash can result in critical damage.

An arc-flash happens when electric current flows through an air gap between conductors. There are several ways this can happen but the most common occurrence is when conductor insulation is worn or broken down.

The most important aspects of arc-flash relays are:

  • reaction time
  • trip reliability
  • ease of installation
  • sensor flexibility
  • software
  • sensor design
  • avoidance of nuisance tripping
  • scalability

To gain a deeper understanding of which features to consider when selecting an arc-flash relay please refer to the downloadable application guides.

Arc-flash relays are a necessary component in an electrical cabinet because they reduce the amount of incident energy in the system. While an arc-flash relay cannot prevent an arc flash from happening, it will protect critical assets and workers’ safety by reducing the severity of the flash. An arc-flash relay is an integral part of an arc-flash protection scheme that can minimize damage, and save money, time, and lives.

Three phase power systems are most often solidly earthed, however by using a Neutral Earthing Resistor (NER) a power system can be resistance earthed. This is done so that if an earth fault were to occur the amount of fault current will be limited by the NER resistance. One potential problem with a resistance earthed system is; what happens if the NER goes open circuit due to damage? If this were to happen the power system has now changed from a resistance earthed system to a system with no earth reference (floating). Now the NER is no longer restricting the amount of fault current and other devices that rely on an earth reference in order to operate, cannot do so. By using a NER monitoring relay the resistance and integrity of a NER can be continually monitored to detect for any variance in the NER resistance or integrity.

An earth fault can occur as a result of inadvertent contact between and energized conductor and earth or equipment frame. There can also be earth leakage from a system without “inadvertent contact”. This type of fault can be called capacitive earth leakage and it is caused by a capacitive effect between a high power conductor and earth. Small amount of earth leakage current can occur as a result of this capacitive effect. Whether it is smaller amounts current from capacitive earth leakage or larger amounts of current from direct inadvertent contact an earth leakage relay can detect this fault current. In all electrical circuits, current returns to its source. An earth fault relay can use a zero sequence CT to monitor phase current to ensure that all current coming from the source returns on those same conductors or it can monitor current in the connection between transformer neutral and earth. By either method the earth leakage relay detect any lost current to earth.

Hi Tim, just wanted to thank you and the Fuseco team for your help. You've managed to help us solve some nagging issues here and the Littelfuse SE-330AU relay installation has saved us a lot of time. Thanks!

Mark Sherman

PGS Silver, Queensland

Just wanted to send a note of thanks to you guys. When it comes to relays, your advice & service is high level & appreciated. Cheers.

Jesse Marshall

Newcrest WA

The Littelfuse SE-701 & the CT's are functioning well. Thanks guys, really appreciate your help. Good to work with people you can rely on.

Cliff Peligro

Alpha Coal, Queensland

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