Eaton Protection Relays

Eaton ETR-5000 motor protection relay with digital display, LED status indicators, and control keypad, designed for advanced motor monitoring and protection in industrial automation systems.

Eaton Protection Relays are designed to provide fast, accurate fault detection for motors, feeders, and power distribution equipment in industrial and power system environments. Commonly installed in motor control centers (MCCs), switchgear, substations, and industrial control panels, these relays monitor critical electrical conditions such as current, voltage, and thermal load to identify abnormal events and initiate isolation through breakers or contactors. Effective protection helps reduce equipment damage risk, improve personnel safety, and maintain continuity of service across demanding applications.

For motor protection, Eaton relays help safeguard rotating equipment from conditions that can lead to overheating, nuisance shutdowns, or premature failure. Typical protection functions include overload, short circuit, phase loss, phase unbalance, and locked-rotor detection. These relays are frequently applied on pumps, fans, conveyors, compressors, and similar machinery in manufacturing, water and wastewater, mining, and energy systems where uptime and reliable operation are essential.

Eaton offers both compact electronic relays for straightforward protection needs and advanced digital relays for more complex power system applications. Many models provide adjustable protection settings and are available in DIN-rail and panel-mount designs to support common control panel and switchgear layouts. These features help engineers and panel builders coordinate protection functions across feeders and equipment while maintaining consistent installation practices and compliance requirements.

Found 872 items
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Eaton EMR-4000-2A0IA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$16864.74
$14053.95
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Eaton EMR-4000-2A1EA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$17483.75
$14569.79
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Eaton EMR-4000-2A1LA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$17344.78
$14453.98
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Eaton EMR-5000-2A0DA0 Motor Protection Relay - 16 Inputs 9 Outputs
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$18393.31
$15327.76
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Eaton EMR-4000-2A0KA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$20161.92
$16801.60
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Eaton EMR-4000-2A0KA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$20364.04
$16970.03
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Eaton EMR-4000-2A0LA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$17155.31
$14296.09
Normally In Stock
Eaton EMR-4000-2A0LA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$17344.78
$14453.98
Normally In Stock
Eaton EMR-4000-2A1DA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$18026.96
$15022.47
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Eaton EMR-4000-2A1EA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$17673.26
$14727.72
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Eaton EMR-4000-2A1FA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$16826.86
$14022.38
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Eaton EMR-4000-2A1FA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$17016.37
$14180.31
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Eaton EMR-4000-2A1KB0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$22814.77
$19012.31
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Eaton EMR-3MP0-2A0IB2-1 Motor Protection Relay - 4 Inputs 4 Outputs, 1 Analog Output
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$4779.86
$3983.22
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Eaton EMR-4000-2A1BA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$15816.24
$13180.20
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Eaton EMR-4000-2A1BA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$16018.34
$13348.62
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Eaton EMR-4000-2A1CA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
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$16561.54
$13801.28
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Eaton EMR-4000-2A0IA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$16662.62
$13885.52
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Eaton EMR-5000-2A1CB0 Motor Protection Relay - 16 Inputs 9 Outputs
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$19277.59
$16064.66
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Eaton EMR-5000-2A0HB1 Motor Protection Relay - 16 Inputs 9 Outputs
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$21766.24
$18138.53
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Eaton EMR-5000-2A0GA0 Motor Protection Relay - 16 Inputs 9 Outputs
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$17243.72
$14369.77
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Eaton EMR-5000-2A1LB0 Motor Protection Relay - 16 Inputs 9 Outputs
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$19846.06
$16538.38
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Eaton EMR-5000-2A1HA0 Motor Protection Relay - 16 Inputs 9 Outputs
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$19694.48
$16412.07
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Eaton EMR-5000-2A0HA1 Motor Protection Relay - 16 Inputs 9 Outputs
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$19820.83
$16517.36
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Eaton EMR-5000-2A0BB1 Motor Protection Relay - 16 Inputs 9 Outputs
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$18999.70
$15833.08
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Eaton EMR-5000-2A1CA1 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$17458.52
$14548.77
Normally In Stock
Eaton EMR-5000-2A0KB0 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$22056.80
$18380.67
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Eaton EMR-5000-2A0IA0 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$17534.29
$14611.91
Normally In Stock
Eaton EMR-4000-2A0BA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$15816.24
$13180.20
Normally In Stock
Eaton EMR-5000-2A1GB0 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$19189.19
$15990.99
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Eaton EMR-5000-2A0GB0 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$19189.19
$15990.99
Normally In Stock
Eaton EMR-4000-2A1LB1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$19997.63
$16664.69
Normally In Stock
Eaton EMR-4000-2A1KB1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$23016.92
$19180.77
Normally In Stock
Eaton EMR-4000-2A1IA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$16864.74
$14053.95
Normally In Stock
Eaton EMR-4000-2A1IB0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$19315.48
$16096.23
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Eaton EMR-5000-2A0DB0 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$20338.75
$16948.96
Normally In Stock
Eaton EMR-5000-2A0EA0 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$18153.30
$15127.75
Normally In Stock
Eaton EMR-5000-2A0FA1 Motor Protection Relay - 16 Inputs 9 Outputs
Free U.S Ground shipping
$17799.61
$14833.01
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Eaton ETR-5000-2A0IB0 Transformer Protection Relay - 8 Inputs 9 Outputs
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$26858.23
$22381.86
Normally In Stock
Eaton EMR-4000-2A1IA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$16662.62
$13885.52
Normally In Stock
Eaton EMR-4000-2A1GA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$16258.39
$13548.66
Normally In Stock
Eaton EMR-4000-2A1GA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$16460.47
$13717.06
Normally In Stock
Eaton EMR-4000-2A1KA1 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$20364.04
$16970.03
Normally In Stock
Eaton EMR-4000-2A1LA0 Motor Protection Relay - 8 Inputs 5 Outputs, 4 Analog Outputs
Free U.S Ground shipping
$17155.31
$14296.09

FAQs

Q: What are Eaton protection relays used for in industrial applications?
Eaton protection relays detect electrical faults and protect motors, feeders, and power distribution equipment from damage. They are commonly installed in MCCs, switchgear, and control panels to improve safety, reliability, and system uptime.

Q: What types of protection relays does Eaton offer?
Eaton offers motor protection relays, feeder protection relays, overload protection relays, and advanced digital protection relays used to protect motors, transformers, generators, and electrical distribution systems.

Q: How do Eaton motor protection relays protect motors?
Eaton motor protection relays monitor electrical and thermal conditions to detect overloads, short circuits, phase loss, phase imbalance, and locked-rotor faults. When a fault is detected, the relay changes output state and trips the control circuit to reduce overheating and electrical damage risk.

Q: Where are Eaton protection relays commonly used?
They are commonly used in motor control centers, industrial control panels, switchgear, manufacturing plants, water and wastewater facilities, energy systems, and infrastructure projects requiring reliable electrical protection.

Q: Are Eaton protection relays suitable for control panels and switchgear?
Yes. Many Eaton protection relays are designed for panel or DIN-rail mounting, include adjustable protection settings, and integrate with standard industrial control wiring practices.

Q: Why choose Eaton protection relays over other industrial brands?
Eaton protection relays are specified for rugged construction and reliable fault detection in industrial and power distribution environments where consistent protection performance is required.

Why Buy Eaton Protection Relays from RSP Supply

RSP Supply offers Eaton protection relays for motor protection, feeder protection, and power system applications in industrial control panels and switchgear. Our selection supports common protection functions, mounting styles, and adjustable settings used by engineers, panel builders, and maintenance teams. Customers rely on RSP Supply for knowledgeable support, dependable sourcing, and protective devices designed to help reduce downtime and improve overall electrical system reliability.