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The MP8000 is an advanced motor protection electronic overload relay that is fully programmable via Bluetooth using the Littelfuse app on an Android or iPhone mobile device. It is easy to use and arc-flash safety is increased because the app allows settings to be modified and real-time operational information viewed. Viewing operational information and faults on the app does not require the user to open the control panel.
The MP8000 protects any motor drawing 0.5-1,000 full load Amps (external CTs are required above 100 amperes). It is designed for single or 3-phase systems with operating voltages of 90-690 VAC (use of external potential transformers can extend upper voltage range above 690 VAC). Common applications include conveyor systems, HVAC equipment, saws and grinders, fan motors, and almost any pumping application.
Protection is unsurpassed by combining overload, voltage, phase loss and reversal, voltage and current unbalance, power monitoring, and underload in one package. For standalone applications, the Bluetooth interface can be used when paired with a smartphone or tablet. The units also feature an Ethernet communications port that can be used to form an Ethernet Modbus TCP/IP network or Ethernet/IP. Units can be remotely monitored and controlled from a PC, or SCADA system, and data logging through a PC with the optional Solutions software or other software program using the MP8000 memory map. This capability allows for a simple cost-effective way to further enhance arc-flash safety.
Learn why the MP8000 Provides Ideal Motor/Pump Protection
Output Contact Rating
Ambient Temperature Range
| MODEL | LINE VOLTAGE | MOTOR FULL AMP RANGE | DESCRIPTION |
| MP8000 | 90-690VAC (use of external potential transformers can extend upper voltage range above 690VAC) | 0.5-1,000A+ (external CTs required above 100A) | Provides remote wired communication via Ethernet Modbus TCP/IP or Ethernet/IP |
ZSCT Series Current Transformer
Used with Littelfuse relays to detect low levels of earth-leakage current.
MPU-32
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MP8000 Series
Bluetooth-enabled Interface
777 Series
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A large oil & gas exploration company made what is expected to be one of the biggest oil and gas discoveries of the decade in the Permian region’s western part of Texas. The company began evaluating several brands of protection relays to protect their investments in pumps and motors, optimise productivity, and improve safety. After the company’s engineers tried the Littelfuse Bluetooth® Overload Relay MP8000, the search was over.
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The MP8000 has a wide voltage and current range and operates on 50/60 Hz to protect any motor or pump.
It can also be used to retrofit older current-only based electronic overloads.
It can operate between 90-690VAC and 0.5-1,000A.
-40oC to 70oC
Traditional relays require the user to open the electrical cabinets (where relays are typically installed) panel door to use the relay, whether it’s to modify the settings, or to review the cause of a trip event.
Opening the panel door exposes the worker to shock hazards. Bluetooth, however, enables remote access to these settings, metering and data log information which prevents personnel from unnecessarily having to open the door, thus less exposure to risks.
The MP8000 can be used in both single phase and 3 phase applications.
Yes, the MP8000 can be put into current-only mode which will disable voltage-based protection functions. However, Littelfuse strongly recommends utilizing the voltage-based protection functions for superior protection especially prior to motor startup.
The current-only mode is intended for retrofit applications on voltages above 690 VAC.
The MP8000 can be surface or panel mounted, or installed on a DIN rail.
No, the MP8000 uses Bluetooth to connect to your smart phone or tablet via the Littelfuse app, This enhances the users safety as it allows remote access.
Yes, you can access the information remotely through the Littelfuse MP8000 PC software or through other software programs communicating with the MP8000 through the Ethernet interface. Contact Fuseco for information on how to download this software.
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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