Littelfuse Water and Wastewater Capabilities

11
Water / Wastewater
Capabilities
Find the Right Product for Your
Application

2Confidential and Proprietary | Littelfuse, Inc. © 2017 2Confidential and Proprietary | Littelfuse, Inc. © 2017
Robust Protection and Controls for
Water / Wastewater Critical Infrastructure
Protect critical operations
with a wide range of
Littelfuse relays and controls
built tough to withstand
harsh conditions.

Protection By
Application
Lift Stations, Pumping Stations, and
Much More

Lift Station Control Panel
protected by Littelfuse Relays & Fuses
Protection for Lift Stations
Alternating Relay
Time Delay
Relay
Seal Leak
Detector
Intrinsically Safe
Relay
Voltage Monitor
Power
Distribution Block
Class CC Fuses
Flasher
Midget Fuses
Illustration credit: GlobalSpec (Engineering360)
Pump Protection
Safety
Notification
Legend

Pump
Protection for Lift Stations
Enhanced
Overload Relay
Time Delay
Relays
Bluetooth*
Overload Relay
Alternating Relay
Power Distribution
Blocks
LF Series Blocks
& Covers
Safety
Intrinsically Safe
Relays
Arc-Flash
Protection
Notification
*Bluetooth is a registered trademark of its respective owner.
Voltage Monitors
Pump Controllers
/ Liquid Level
UL Class Fuses
Surge Protection
Devices
Flashers
Seal Leak
Detectors
Ground-Fault
Relays

Protection for Water and Wastewater Treatment
Industrial GFCI
Safety
Motor and Pump
Enhanced
Overload Relay
Bluetooth*
Overload Relay
Voltage Monitors Alternating Relay
Pump Controllers
/ Liquid Level
Time Delay
Relays
UL Class Fuses
LF Series Blocks
& Covers
Surge Protection
Devices
Power Distribution
Blocks
Intrinsically Safe
Relays
Arc-Flash
Protection
Ground-Fault
Relays
Littelfuse, Inc. © 2019

Protection for Odor Control System Switchgear
Motor and Pump
NotificationSafety
Bluetooth*
Overload Relay
Enhanced
Overload Relay
Voltage Monitors UL Class Fuses
LF Series Blocks
& Covers
Surge Protection
Devices
Flashers
Arc-Flash
Protection
Ground-Fault
Relays

Protection for Water Wells / Pumping Stations
Safety
Motor and Pump
Notification
Bluetooth*
Overload Relay
Enhanced
Overload Relay
Pump Controllers
/ Liquid Level
Time Delay
Relays
UL Class Fuses
LF Series Blocks
& Covers
Surge Protection
Devices
Flashers
Ground-Fault
Relays
Industrial GFCI

Protection for Water Tower Pumps
Motor and Pump
Safety
Ground-Fault
Relays
Bluetooth*
Overload Relay
Enhanced
Overload Relay
Pump Controllers
/ Liquid Level
UL Class Fuses
LF Series Blocks
& Covers
Surge Protection
Devices
Power Distribution
Blocks
Arc-Flash
Protection

Protection for Storm-Water Pumping Stations
Notification
Seal Leak
Detectors
Pump
UL Class FusesVoltage Monitors
Pump Controllers
/ Liquid Level
Flashers
Bluetooth*
Overload Relay
Enhanced
Overload Relay
Surge Protection
Devices
Alternating Relay
Time Delay
Relays
LF Series Blocks
& Covers

Read the Bee Cave Drilling PumpSavers Case Study
Most pump failures are due to environmental events.
The cost of a PumpSaver® is small compared to the cost of downtime
due to failure.
Read the case study to learn more.
Read the Case Study

UL Power Fuses
 Indicating and non-indicating versions.
 Engineered to maximize longevity and minimize opening times.
 High short-circuit current rating (SCCR).
Littelfuse UL-listed fuses protect your system from overload and
high overcurrent. Littelfuse fuses are selected over breakers due to
their higher interrupting ratings, quicker response time, easy
coordination, and no calibration required.
 Saves 45-75% footprint space compared to Class R and Class J
designs.
 Available in Time-Delay and Fast-Acting designs.
 High interrupting ratings available.
 Class CC Fuses are extremely current limiting.
Littelfuse 10x38mm midget and Class CC fuses help provide
supplemental overcurrent protection and have the capability to limit
currents with fast-acting reliability.

Fuse Blocks, Holders, Power Distribution Blocks
 Compact design provides space savings.
 Universal and DIN rail mounting with optional DIN-clip covers.
 Indication available.
 Snap-to-release, no tools required.
Fuse Blocks & Holders
Enable easy fuse installation and replacement with fuse blocks, fuse
holders, and fuse accessories.
 Meets UL standards.
 Space-saving designs.
 Integrated touch-safe cover to increase safety.
 Mounts to DIN rail or panels.
Power Distribution Blocks
Specially designed covers provide protection against accidental shorting
between poles caused by loose wires, tools, or other conductive
material. Also protects personnel from accidentally contacting energized
connectors.

Surge Protection
Devices
Globally compliant, Type 2 protection

Type 2 Surge Protection Devices
 UL Recognized and IEC compliant in single part number
 No additional overcurrent protection devices required in UL
applications.
 Thermal protection eliminates catastrophic failure.
 Higher maximum discharge current than most at 50 kA
protects against larger single occurring surges.
 Higher nominal discharge current at 20 kA protects against
larger routine surges.
 Lower voltage protection rating (VPR) minimizes the amount
of voltage to which equipment is exposed.
 PV options available rated up to 1500 V dc for solar
applications.
Littelfuse Type 2 SPD2 series surge protection devices
safeguard components from transient overvoltage or surges by
limiting the fault current to a load or the unit being protected.

Timers
Versatile basket of multi-function,
relay-output, and solid state time delay
relays

Time Delay Relays
 Prevents rapid recycling of pumps.
 Encapsulated to protect against shock,
vibration, and humidity.
 Multifunction model replaces thousands of
competitive models.
Littelfuse time delay relays regulate the timing of
pump controls, including delaying the restart of
pumps after a power loss.

Ground-Fault Relays
 Microprocessor-based solutions with advanced digital harmonic
filtering to prevent nuisance trips.
 Non-volatile trip memory retains trip state when on loss of
power control to simplify troubleshooting.
 Complete and sensitive protection of VFDs to catch high-
resistance ground faults before they escalate, from DC (0 Hz)
to 6000 Hz.
 SE-704 Series features 10 mA trip level to meet code
requirements.
 Connect to the IoT with multiple network communications
options available.
Sensitive ground-fault relays featuring advanced filtering will quickly
and reliably detect the breakdown of insulation resistance caused by
moisture, vibration, chemicals, or dust without nuisance tripping.

Industrial Ground-Fault Circuit Interrupter
Littelfuse Industrial Shock Block®
The first and only special-purpose GFCI that
meets UL 943C Class C and Class D for
personnel protection.
Littelfuse.com/ShockProtection
 Includes line-side fusing
 Leakage current metering
 Ground-conductor monitoring
 Automatic self-test and manual test
button
 Open or enclosed models
 208V to 600V
 Fixed (GFCI) or adjustable (EGFPD)
Trip setting
 Alternative to Assured Grounding

Arc-Flash
Protection
Don’t rely on PPE alone to protect
workers.

23Confidential and Proprietary | Littelfuse, Inc. © 2017Confidential and Proprietary | Littelfuse, Inc. © 2017 23
Arc-Flash Relays Increase Safety and
Protect Equipment
 Uses light instead of current to detect the arc
without worrying about coordination, inrush,
and other sources of temporary overcurrent
 Detect and trip very quickly (typically <1ms)
 Reduce incident energy levels
 Make facilities safer and reduce damage
from arc faults
 Satisfies NFPA 70E 2018: always active arc
protection solution reduces human error
New!
AF0100
AF0500
PGR-8800
Littelfuse.com/ArcFlash

Motor Protection
From basic to advanced, you’ll find
the right level of protection to meet
your needs.

Basic: Models 460 & 201A-AU
Model 460
(DIN-rail or surface mount)
Model 201A-AU
(8-pin socket mount)
 Over / under voltage
 Phase loss
 Reverse phase
 Unbalanced voltage
 Rapid cycling
These basic models monitor the voltage going into the motor
and can be used in addition to an existing overload relay to
inexpensively enhance 3-phase motor protection from:
Without protection, each of these faulty conditions can
cause motor windings to overheat and burn motor
insulation. This can cause premature motor failure.

Field Success Story:
Upgrade protection to extend equipment life
~$80 Relay Saves $30,000 Motor
 Phase-loss on 200 Hp motor.
 Protection relay 201A-AU installed.
 Prevented damage to motor during a
phase-loss event.
 Saved $30,000 replacement costs of
motor.
 Prevented operation from going offline.

Standard: Models 455 & Informer-MS, PGR-6100
Model 455 & Informer MS
The 455 Voltage Monitor Relay, used with the
Informer MS, can monitor the load side, log events, and
view conditions on a display in real time.
The PGR-6100 Ground-Fault and Insulation Relay
combines the feature of ground fault protection and
insulation monitoring all in one.PGR-6100
 Protects motor from contactor failure or worn
contacts
 Prevents rapid cycling
 Use optional Informer-MS to wirelessly download and
view fault history and real-time data

Advanced: Model 777-P2 Enhanced Overload Relay
Model 777-P2
 Pre-start motor protection.
 Overload protection for any trip class, any size motor
up to 600 Hp, 200 to 600 V.
 Optional communications to DCS, SCADA, HMI via
Modbus over 485 or Ethernet, DeviceNet.
 Display for real time voltage, current, trip cause,
programming settings.
The MotorSaver® 777-P2 Current and Voltage Monitor
combines voltage / phase protection with an overload relay
with on-board display for easy programming.

MPS
 Voltage/Current/Phase Protection
 22 Protective Functions
 Up to 24 RTDs via MPS-RTD
module(s)
 Network Communications
 Free PC Software, Easier To Program
Than Competitors
Advanced Motor Protection
MPU-32
 Current/Phase Protection
 12 Protective Functions
 RTD or PTC input or up to 24 RTD
inputs via MPS-RTD module(s)
 Network Communications
 Free PC Software, Easier To
Program Than Competitors

Smart: Model MP8000 Bluetooth Overload Relay
 Bluetooth* connectivity lets you stand next
to the motor or pump during set-up instead
of the relay.
 Underpower protection for dry run pump
protection.
 Universal: one model works with single or
three-phase systems, 90-690 VAC (and
medium voltage via PTs), 0.5 – 100 amps
directly (above 100A via CTs).
Keep the control panel
closed and stay safe from
arc flash.
Save time. Leave your
PPE in the locker.
Easy as your favorite app.
See fault codes, reset, and
configure the relay remotely.
Control many MP8000
relays from one device.
Stay in your vehicle and
keep dry, safe, and
comfortable.

MP8000: App For Phone Or Tablet
Locate / Connect Real-time information Setup / Settings Fault History
Each Has Unique
Pairing Code
Password Required
To Change Settings
V, I, KW, Unbalance
% & More
Date/Time
Stamped

Field Success Story:
Upgrade protection to improve worker safety
Municipal Water Wells
Situation: Workers opened the panels and manually
connected test equipment to record voltage and
current readings by hand on their 250Hp motors.
Outcome: Installing MP8000 Bluetooth® Overload Relays
helped them:
 Record and time stamp their data improving accuracy.
 Improve safety from arc-flash by keeping workers out of
the panel.
 Save time by quickly getting data at once on their
smartphone and not having to connect test equipment.
Patent
Pending

Protection for Water / Wastewater Applications
Littelfuse, Inc. © 2017 33
A
E
D
B
C
C
E
F
A
D
B
C
E
F
Lift Stations
Motor & Pump Protection | Alternating Relays
Intrinsically Safe Relays | Time Delay Relays
Seal Leak Detectors | Flashers | UL Industrial
Power Fuses, Blocks, and Holders
Water Tower
Motor Protection | Safety Relays
UL Industrial Power Fuses,
Blocks, and Holders
Water Well Systems
Motor & Pump Protection
Flashers | Shock Protection
Blocks, and Holders
Odor Control Systems
Safety Relays | Flashers
Blocks, and Holders
Pumping Stations
Safety Relays | Flashers
Blocks, and Holders Freshwater Pumping Stations
Alternating Relays | Flashers
Time Delay Relays | Seal Leak Detectors
UL Industrial Power Fuses, Blocks, and Holders

34Confidential and Proprietary | Littelfuse, Inc. © 2017Confidential and Proprietary | Littelfuse, Inc. © 2017 34
Littelfuse Recommended
Protection
Pumping Stations
Water Treatment
Plants
Lift Stations Water Tower
Water Well
Systems
Odor Control
Systems
UL Class Fuses
Class CC & Midget Fuses
Power Distribution Blocks
Bluetooth® Enabled
Overload Relay
Enhanced Overload Relay
Voltage/Phase Monitor
Alternating Relay
Intrinsically Sales Relays
Seal Leak Detector
Pump Controller
Time-Delay Relays
Flashers
Arc-Flash Relays
Industrial GFCI
Ground-Fault Relay
Protection for Water / Wastewater Applications

For More Information
Littelfuse.com/Water
 Product Datasheets
 Video Overview
 Capability Brochure
 Sales Guide
 Relay and Fuse Catalogs
1-800-TEC-FUSE
techline@littelfuse.com

Littelfuse Water and Wastewater Capabilities

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