MiCOM Railway Applications

P138 / P436 / P438

Easergy™ MiCOM P138 - Overcurrent Protection Device for Rail Applications

The Easergy MiCOM 30 series rail devices are dedicated to railway catenary protection. The Easergy MiCOM P138 specifically provides directional overcurrent protection for rail applications

The Easergy MiCOM P138 enables a wide range of applications to protect supplies and catenaries in classic and autotransformer-fed (AT) systems. With easy connection to virtually all substation and catenary network management systems, it is enhanced by a complete range of backup protection and automation functions

Easergy MiCOM P638 - Transformer Protection Device for Rail Applications

Easergy MiCOM Px30 rail devices are dedicated to railway catenary protection. The Easergy MiCOM P638 provides transformer differential protection

Easergy MiCOM P638 enables a wide range of applications to protect supplies and catenaries in classic and autotransformer-fed (AT) systems. With easy connection to virtually all substation and catenary network management systems, Easergy MiCOM P638 is enhanced by a complete range of backup protection and automation functions

Easergy MiCOM P436 and P438 - Distance Protection Devices for Rail Applications

Easergy MiCOM 30 series rail devices are dedicated to railway catenary protection. The Easergy MiCOM P436 provides catenary protection for classic and two-phase AT feeders.

Easergy MiCOM P436 and Easergy MiCOM P438 enable a wide range of applications to protect supplies and catenaries in classic and autotransformer-fed (AT) systems. With easy connection to virtually all substation and catenary network management systems, the two models are enhanced by a complete range of backup protection and automation functions.

Functions available for the different models of the Railway protection MiCOM range of relays

ANSI	Protection Function	P138	P436	P438	P638
21/21N	Distance		●	●
27/59	Over / under voltage	●	●	●	●
49	Thermal overload	●	●	●	●
50/27	Switch on-to fault	●	●	●
50H	High current supervision	●	●	●
50/51N	High current ground fault (tank protection)	●			●
50/51P	Phase overcurrent	●	●	●	●
62/50BF	Circuit breaker failure	●	●	●	●
67P	Phase directional	●	●	●	●
81	Under / over frequency	●	●	●	●
86	Lock-out	●	●	●	●
87T	Transformer differential (windings)				2
di/dt,dv/dt, dΦ /dt	Train startup detection		●	●
Hz	Rail catenary protection		16 2/3	25/50/60
TCS	Trip circuit supervision	●	●	●	●
CTS	Current transformer supervision		●	●
VTS	Voltage transformer supervision	●	●	●
	2nd harmonic restraint	●	●	●	●
	3rd, 5th, 7th harmonic blocking	●	●	●
	Defrost protection	●	●	●
	High impedance fault detection	●	●	●
	InterMiCOM	●	●	●

Typical Catalog Numbers

Catalog Numbers	Descriptions
P138849011M0303409612947	Series 30, Feeder relay, 60-250 Vdc/100-230 Vac with 4 high break contact plus 10 inputs and 16 outputs , 61850
P438849020M0308417616947	Series 30, Distance relay, 60-250 Vdc/100-230 Vac with 4 high break contact plus 10 inputs and 16 outputs , 61850
P638849011M0303406612947	Series 30, Transformer Relay, 60-250 Vdc/100-230 Vac with 4 high break contact plus 10 inputs and 16 outputs , 61850

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