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Page Title

Relays

Whether you're a machine builder or end user, control panel designer or facility maintenance manager, our expansive offering of relay options with customization capabilities can meet all of your specific application requirements.

General Purpose Relays

Timing Relays

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D Series Ice Cube, Enclosed Power, and Open Power General Purpose Relays are cost effective, provide excellent functionality and are ideal for any application from controlling smaller loads, to those requiring high current-carrying capacity. Assembly and installation of General Purpose Relays are quick, easy and secure with little risk of damage, and various relay models are specifically slim-form designed to fit into tight spaces.
Bipolar LED status lamp allows for reverse polarity applications, and is ideal in low light conditions.
Flag indicator allows users to see relay status in either manual or powered condition.
Push-to-Test button allows for manual operation of relay without the need for coil power.
Lock-down door holds pushbutton and contacts in the operate position when activated, for analyzing circuit problems.
Finger-grip cover allows operator to remove relays from sockets more easily than conventional relays.
White Plastic ID tag/write label allows users to easily identify relays in multi-relay circuits.
No contact chattering for momentary voltage drops up to 50% of rated voltage.
Coil Bus Jumpers
Full featured Cover
Indicator lamp
MOD Module System
Mounting: DIN rail, e-bracket, flange, panel, socket
Octal base design
Plain cover with LED
Pushbutton
Relay Clips
Two-pole/Three-pole configurations
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Universal TR Series, TMRP, TMR, and E5-248 Timing Relays combine flexibility with ease of use and installation, while compact designs save panel space. With multiple mount options, models, more flexibility in range of input voltage, timing range and functionality, there are flexible and cost-effective timing relays to meet any timing requirements. Eaton also offers customization capabilities for these timers— remote adjustments, special pin configurations, and more.
Low cost and high flexibility of the units reduce inventory requirements.
TR Series universal input voltages eliminate the need to order and stock separate coil voltages.
Universal TR Series staggered terminal locations allow access to lower-level terminals after wiring.
Universal TR Series compact, DIN rail mountable case reduces panel size.
TMRP Series thumb-wheel setting design allows for quick selection and review of multiple timing functions and timing ranges.
Plastic dust cover on the TMRP Series keeps out contaminants and eliminates accidental set point changes.
10 selectable functions, selectable time ranges up to 9,990 hours, and universal input voltage allow the TMRP Series to be the most flexible timer offered.
The TMR6 Series true Off-delay timer allows it to remain energized even under control power loss.
Replaceable lithium battery of the E5-248-C1420 eliminates the need for an external voltage supply.
E5-248-C1420 offers a through-panel mount design and LCD display to allow easy access for set-point and function changes.
Fixed time delays
LCD Display Timer
Mechanical indicating timer
Multi-function DIN Mount
Multi function Socket Mount
Octal Mounting
Power triggered
Signal triggered
Single-function Socket Mount
Through Panel Mounting
Transistor or relay outputs

Solid State Relays

Safety Relays

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Eaton’s Solid-State Relays (SSR) provide a high degree of reliability, a long service life, significantly reduced electromagnetic interference, fast response and high vibration resistance. Applications for Solid-State Relays typically include equipment that requires high cycling rates, low acoustical or electrical noise, or high vibration resistance; such as medical equipment, heating/cooling equipment, lighting control and pumps/compressors.
All solid-state circuitry with no moving parts to wear ensures a long life.
Compact panel mounting and a removable finger-safe cover allow for safe, easy, flexible installation.
Isolated input and output terminals protect the system from electrical noise.
Internal snubber circuitry includes additional protection from transients.
Heat sink provides easy mounting in tight spaces, and eliminates the need for added accessories and installation.
Flexible mounting allows DIN rail or panel mounting without additional hardware or tools.
DIN Mount External Heat Sink
DIN Mount Internal Heat Sink
Panel Mount
Thermal Transfer Pad
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Safety relays are intended to reliably monitor the signals from safety devices at all times and switch off quickly in an emergency. Eaton’s ESR5 safety relays provide optimal safety and a high degree of reliability for plant machinery. The ESR5 enables applications to meet the highest safety ratings in accordance with EN954-1, EN ISO 13849-1 up to PL e, and IEC 62061 up to SILCL 3.
Suitable for global applications with UL, cUL and TÜV safety certifications
Plug-in screw terminals provide fast and fault-free replacement
Multiple-voltage versions (24–230 Vac/Vdc) offer a flexible range of application
Delayed and non-delayed contact expansions accommodate a wide variety of applications
Compatible with emergency stops, rope pulls, two-hand control stations, light curtains (OSSD), gate enable devices and safety switches
DIN Mount
Panel Mount

Terminal Block Relays XR Series

NEMA Relays

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Eaton’s XR Series Terminal Block Relays use screw or spring-cage technology, and offer quick system wiring, superior safety features, clear labeling and a high level of modularity. XR Series Terminal Block Relays are best suited for applications that require higher continuous load currents than miniature relays can carry and switch. They can withstand inrush currents or brief overloads without damage, and allow for continuous load currents of up to 10A.
Average service life of the contacts is 2-3 times the normal life of a less powerful relay, resulting in service cost savings.
Cadmium-free contact material makes the XR Series environmentally friendly.
Electrical isolation between input and output aides in safe operating.
Wear-resistant and bounce-free switching adds longevity to life of the product.
Pluggable relay and convenient plug-in bridge system allow for easy field replacement.
End Cover
OptoCoupler
Power Terminal Block
Screw Terminal
Snap-In Jumper
Spring Cage Terminal
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NEMA Relays include the Freedom 600V Multi-pole (D15), Fixed Contact Industrial Control (BF, BFD), Convertible Contact Industrial Control (AR, ARD), and Type M multi-pole with convertible contacts (D26). These relays can be ordered as complete devices in any pole combination up to a maximum of 12NO or 8NC and 4NO poles, and are designed for use on machine tools, process lines, conveyors and similar automatic and semiautomatic equipment.
Contact pole terminals have captive, backed-out, self-lifting pressure plates for reduced wiring time.
Terminals are shrouded or “finger-proofed” to reduce possibility of electrical shock.
Wide spacing of contacts simplifies installation, contact testing and maintenance.
Contacts are electrically and mechanically isolated from each other for added safety.
Surge Suppressors mount in contact cavity, limiting high transient voltages resulting from deenergizing relay coil, for protection of sensitive instruments and solid-state devices.
AC/DC Interface Module
Adhesive Dust Cover
FASTON Push-On Terminals
Finger Protection Shields
Four-Pole Top Deck Adder
Metal Mounting Plate
Mounting Channel (DIN Rail)
Panel-Mounted Timers
Pneumatic Timer Attachment
Solid-State ON DELAY Timer
Transient Suppressor Kits

Alternating Relays D85 Series

XT IEC Overload Relays

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Each of the D85 Series Alternating Relays are used with one control switch and are available in either SPDT or DPDT output configurations with or without a three-position selector switch which allows the unit to alternate the two loads as normal, or lock the relay to one load or the other. By locking the alternating relay to one load, the other load can be removed for service without rewiring the first load for continuous operation.
Standard DPDT Cross-Wired alternating relay, contactor auxiliary contacts, and a control relay are combined into one product, reducing costs and the number of components needed.
Selector switch has a low profile to prevent any accidental actuation.
Compact plug-in design using industry standard sockets allows for flexible use.
Anti-Bounce Installation consists of adding a second switch (OFF) along with two auxiliary contacts to eliminate any bounce condition of the control switch.
Replacement of separate components in duplex panel saves space and reduces labor.
Alternating Relays
8-pin Socket
11-pin Socket
Hold-Down Spring
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The XT IEC series includes non-reversing and reversing contactors and starters as well as overload relays and accessories. Enclosed control options include metallic and non metallic enclosures with circuit breakers, and North American or European fuses. Save space and engineering design time with XT IEC series overload relays.
Electronic coil controller allows contactors to reduce power consumption and generate less heat, resulting in lower cooling requirements, the ability to mount more contactors/starters per cabinet, and an extended life on pilot devices that carry control signals.
AC and DC devices with the same dimensions achieved with an electronically controlled coil system allow for space savings and reduced engineering design time.
Integrated suppressors in DC controlled contactors offers reductions in total logistics and inventory costs by limiting the number of products ordered and stocked.
Wiring is not required, therefore increasing installation and maintenance efficiency.
Expanded range of DC coil control voltages, allows reliable operation through fluctuations in control voltages.
Twin terminals with separate sockets in contactors up to 400A offer installation and application flexibility when using different size wires. The improved integrity of the connections reduces cabling faults.
Metallic/Non-Metallic Enclosure

C306 Freedom Bi-Metal Overload Relays

C440/XT Electronic Motor Protection Relays

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Eaton’s Freedom Series Adjustable Bimetallic Ambient Compensated Overload Relays are designed for use with CE or CN non-reversing and reversing contactors. They have interchangeable heater packs and are available in 4 sizes for overload protection up to 900hp, reducing the number of different contactor/overload relay combinations that have to be stocked.
They feature a full line of snap-on accessories common to both IEC and NEMA devices.
Horizontal or vertical mounting on upright pane allows for application freedom.
Screw type power terminals have captive, backed-out self-lifting pressure plates with screws result in reduced wiring time.
Accessible terminals allow for ease of use and are convenient for simple wiring.
Top located contactor magnet coils have three terminals which permit either top or diagonal wiring and are readily accessible, for easy replacement without changing wiring layout.
Fingerproof shields are available to prevent electrical shock.
Add-On Power Pole Kit
Adhesive Dust Cover
Auxiliary Contacts
Competitive Mounting Plates
Control Circuit Fuse Block
DC Magnet Coils
DIN Rail Mount Adapter
DIN Rail Mounting Channel—35 mm
Finger Protection Shields
Identification Markers
Locking Cover
Mechanical Interlock Kit
Pneumatic Timers
Reversing Kits
Shorting Bar Kits
Solid-State Timers
Three-Pole Top Mounted Fuse Block Kit
Transient Suppressor Kits
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The C440/XT Electronic Overload Relay delivers enhanced motor protection and communications capabilities in a single compact device, directly monitoring motor current in each phase. Thermal modeling is performed electronically with precision solid-state components.
Electronics accurately identify excessive current or phase loss and react to conditions with greater speed, reliability and repeatability than traditional electromechanical devices.
Integral Ground Fault Protection supporting true simultaneous ground fault protection and communications – an industry first, translates to reduced inventory, quicker installation time, and a reduced physical footprint.
Flexible communication with optional I/O enables easy integration into plant management systems for remote monitoring and control.
Remote monitoring capabilities to discover changes in your system, protects against unnecessary downtime.
LED indicator provides predictive indication which allows users to determine the status of the overload as well as an impending trip to provide enhanced protection of your most important assets.
Wide FLA adjustment (5:1) and selectable trip class improves return on investment by reducing inventory carrying costs.
Patented thermal modeling design results in increased motor life.
Advanced Communication Module
Communication Adapter
DeviceNet Communication Module
Expansion Module
Modbus RTU Communication Module
PROFIBUS Communication Module
Reset Bar
Remote Reset
Safety Cover

C441 Motor Insight Motor Protection Relays

IQ500 Motor Protection Relays

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The C441 Motor Insight Overload Relay is Eaton’s most advanced low voltage motor protection relay. The embedded intelligence helps customers save energy, optimize maintenance schedules and configure greater system protection thus reducing overall costs and down time.
The ability to calculate power enables customers to not only monitor motor performance, but also load performance and energy consumption. It is the perfect relay for system critical loads, pump loads and energy conscious customers.
FLA Range: FLA range of 1-540A with 2 part numbers; Selectable trip class (5-30)
Power Source Options: Line powered at 170-264 Vac, 323-528 Vac, 489-660 Vac. Separate source single phase control power at 93.5-132 Vac
Motor Protection: Thermal overload; Jam/stall protection; Current level alarming; Current unbalance; Current phase loss; Ground fault; Phase reversal; Over voltage, Under voltage, Voltage unbalance
Load (Pump) Protection: Under-current; Low power; High power
Monitoring Capabilities: Current – Average and Phase RMS; Voltage – Average and Phase RMS; Power — Motor kW; Power Factor; Frequency; Thermal capacity; Run hours; Starts; Ground fault current; Current unbalance %; Voltage unbalance %; Time to restart
Advanced Features: Programmable reset/backspin timers; Programmable acceleration start cycle; Programmable Fault vs. Alarm prioritization; Individual Trip Delays; Lockable user interface; Scaled current readings; 10 fault queue diagnostics with full word explanation
Communications: Modbus, DeviceNet, PROFIBUS, Ethernet IP (consult factory), Modbus TCP (consult factory)
Type 1, 12 remote display
Type 3R remote display kit
Communication modules
Modbus
Modbus with I/O
DeviceNet with I/O
PROFIBUS with I/O
Modbus TCP with I/O (Contact Product Line)
Ethernet IP with I/O (Contact Product Line)
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The IQ 500 modular overload relay boasts a Special Function Module that can serve as the initial building block for a motor protection system. It addresses application motor load functions such as underload protection, long acceleration, jam protection, and load control. When used with the PowerNet system, a low-cost, local area communication network, information such as current values, status, setpoint values, and cause of trip can be displayed remotely.
Micro-processor-based design eliminates unnecessary trips, isolate faults, protect motors and provide system information allowing you to better manage your system.
LED indicator provides predictive indication which allows users to determine the status of the overload as well as an impending trip to provide enhanced protection of your most important assets.
PowerNet system local area communication network allows for information such as current values, status, setpoint values, and cause of trip can be displayed remotely.
Underload protection, long acceleration, jam protection, and load control functions allow the IQ 500 to provide a cost-effective alternative to conventional protective relays.
IMPACC
PowerNet
Special Function Module

EMR-3000

EMR-4000

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EMR-3000 motor protection relay is a multifunctional microprocessor-based protective relay for the protection of any size motor at all voltage levels. It is most commonly applied on medium voltage or larger motors. The MP-3000 relay is a current only device that provides complete and reliable motor protection, monitoring, and starting control functions.
Microprocessor-based protection with monitoring and control for medium voltage motors. Integral test function reduces maintenance time and expense.
Zone selective interlocking improves coordination and tripping time, and saves money compared to a traditional bus differential scheme.
Reduce trouble shooting time and maintenance costs-Trip and event recording in non-volatile memory provides detailed information for analysis and system restoration. 6000 cycles of waveform capture aids in post fault analysis (viewable using Powerport-E software).
Minimum replacement time-Removable terminal blocks ideal in industrial environments.
Front RS-232 port and Powerport-E software provides local computer access and user-friendly windows based interface for relay settings, configuration, and data retrieval.
Breaker open/close from relay faceplate or remotely via communications.
Fast and easy troubleshooting, improved maintenance procedures and increased device security. Provides detailed traceability for system configuration changes.
Relays self-diagnostics and reporting improves uptime and troubleshooting.
Breaker trip circuit monitoring improves the reliability of the breaker operation.
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EMR-4000 motor protection relay is a multifunctional microprocessor-based protective relay for the protection of any size motor at all voltage levels. It is most commonly applied on medium voltage or larger motors. The EMR-4000 relay is a current and voltage device that provides complete and reliable motor protection, monitoring, diagnostics, metering, and starting control functions.
Microprocessor-based protection with monitoring, and control for medium voltage motors.
Integral test function reduces maintenance time and expense.
Zone selective interlocking improves coordination and tripping time, and saves money compared to a traditional bus differential scheme.
Programmable logic control functions to accommodate different control schemes, simplify the wiring of the starter.
Reduce trouble shooting time and maintenance costs- Trip and event recording in non-volatile memory provides detailed information for analysis and system restoration. 6000 cycles of waveform capture aids in post fault analysis (viewable using Powerport-E software).
Minimum replacement time- Removable terminal blocks ideal in industrial environments.
Front RS-232 port and Powerport-E software provides local computer access and user-friendly windows based interface for relay settings, configuration, and data retrieval.
Breaker open/close from relay faceplate or remotely via communications.
Fast and easy troubleshooting, improved maintenance procedures and increased device security. Provides detailed traceability for system configuration changes.
Relays self-diagnostics and reporting improves uptime and troubleshooting.
Breaker trip circuit monitoring improves the reliability of the breaker operation.
Modbus-RTU
Modbus-TCP
IEC-61850
Standard or Projection Mounting
Conformal Coating