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The Sepam series 20 protection and metering multifunction relays offer simple solutions for the most common applications based on current or voltage metering.
The Sepam series 20 family includes 5 types to offer the right solution for each common application. Three current applications include S20, substation incomers and feeders protection; T20, transformer protection; M20, motor protection. Two voltage applications include B21, busbar protection; B22, loss of mains protection.
Modbus serial link on RS 485 (up to 38.4 Kbps) or optical fiber (option)
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