Product designation				Earth leakage relays
Product type designation				RM
General characteristics
Description				Modular with transparent cover, 1 operating threshold
N° of operating threshold				1
Control circut
Toroidal transformer				External
Adjustments
	Tripping set-point (I∆n)
		(x0.1)	A	0.025...0.25
		(x1)	A	0.25…2.5
		(x10)	A	2.5...25
		(external multiplier)	A	25…250
	Tripping delay time
		(tx1)	s	0.02…0.5
		(tx10)	s	0.2...5
Selection of multiplier for I∆n and t				By dip switches
Resetting				Configurable automatic or manual by button on front
Test Button				Yes
Shunt circuit control				No
Auxiliary supply
Auxiliary rated supply voltage Us				24-48VAC/DC
Output contacts				1
Rated frequency			Hz	50...60
Power consumption Max			VA	3
Relay outputs
Relay state				Normally de-energised
Contact arrangement				1 changeover SPDT (trip)
Rated contact capacity IEC Ith				5A - 250VAC
Insulations
Power frequency withstand voltage			kV	2.5kV for 60s
Indications
Auxiliary voltage available (ON)				Green LED
Relay tripping (TRIP)				Red LED
Connections
Terminals type				Fixed
Tightening torque for terminals
		max	Nm	0.5
		max	Ibin	4.5
Conductor section
	AWG/Kcmil
		min		24
		max		12
	IEC
		min	mm²	0.2
		max	mm²	2.5
Operations
Mechanical life			cycles	50000000
Electrical life			cycles	300000
Ambient conditions
Temperature
	Operating temperature
		min	°C	-10
		max	°C	+60
	Storage temperature
		min	°C	-20
		max	°C	+80
Relative humidity			%	≤90%
Housing
Material				Self-extinguishing polycarbonate
Mounting				35mm DIN rail
Degree of protection				IP20 terminals
Dimensions (W x H x D)			mm	52x89x72
Weight			g	190
ETIM classification
ETIM 8.0				EC001445 - Residual current monitoring relay

EAC

IEC/EN 60947-2

31RM48

对比

Earth leakage relay with 1 operatin threshold, modular, 35mm DIN (IEC/EN60715) rail mounting. External CT, 24-48VAC/DC

规格书

尺寸

接线图

技术手册