Control & Instrumentation: DEIF
Pure Energy Solutions for Sub-Saharan Africa

Protective Relay
A Simplified Solution For Genset Builders.
Protective relays are essential to ensuring the safety and reliability of generator systems. These intelligent devices continuously monitor key electrical parameters—such as voltage, current, and frequency—and react instantly to abnormal conditions. Whether it’s an overload, short circuit, or frequency deviation, protective relays act fast to isolate the issue and prevent costly damage or downtime.
At the heart of any modern generator protection system, our advanced relays provide peace of mind, improved system uptime, and long-term equipment protection. Engineered for precision and performance, they’re an indispensable part of any power generation setup.
Relay Product Range
Overview
Loss of Mains
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LMR - 111D
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LMR - 122D
Current & Short Circuit
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RMC - 111D
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RMC - 121D
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RMC - 122D
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RMC - 131D
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RMC - 132D
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RMC - 142D
Frequency
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RMF - 112D
Power Protection
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RMP - 111D
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RMP - 112D
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RMP - 121D
Loss of Excitation
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RMQ - 111D
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RMQ - 121D
Voltage
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RMV - 112D
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RMV - 122D
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RMV - 132D
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RMV - 142D
Experience ultimate control. iE250
DOWNLOAD:
Brochures
Options
Drawings
Installation and Maintenance Manual-LMR-111D
Installation and Maintenance Manual-LMR-122D
Installation and Maintenance Manual-RMC-111D
Installation and Maintenance Manual-RMC-121D
Installation and Maintenance Manual-RMC-122D
Installation and Maintenance Manual-RMC-131D
Installation and Maintenance Manual-RMC-132D