Maximal current relay RMT-101

Country of origin: Россия

RMT-101 current overload relay is used for load rejection in case the current exceeds the set value between 0 and 100 amperes.

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The device can be used in the following capacities:

LEDs on the front panel of the relay indicate:

Depending on the work mode, the three-digit seven-segment indicator indicates:

Regulating potentiometers allow the user to set the following values:

maximum allowed load current value threshold;
time for load rejection in case of exceeding;
maximum allowed load current threshold;
time delay before load activation after the current returns to the allowed level.

General specification

Purpose of device	Control and distribution equipment
Protection rating of front panel	IP40
Protection rating of case	IP10
Rated operating regime	continuous
Electric shock protection class	II
Climatic version	NС 3.1
Allowable pollution rating	II
Overvoltage category	II
Rated insulation overvoltage, V	450
Rated impulse withstand voltage, kV	2.5

Operation supply voltage, V	220/230 V
Operation voltage range at which RMT-101 will keep working, V *	130 to 300
Power frequency, Hz	47-53
Current measurement range, А	0-100
Measurement inaccuracy, no worse than	1%
Adjustment range а) I max, А absolute measurement accuracy of current, A, no more than б) I max, A absolute measurement accuracy of current, A, no more than	0 − 10 ±0,1 0-99,9 ±1
Adjustment range of t on , sec	0 − 900, ∞
Adjustment range of t off , sec	0 − 300
Readiness time, sec, no more than	0.8
Power consumption (under load), VA, no more than	3.0
Commutation overcurrent of the output contacts at cosφ=1, А	8
Commutation life of the output contacts: - under 8A power load, times, no less then - under 1A power load, times, no less then	100 000 1 000 000
Operational temperature range, °С	from -25 to +55
Storage temperature, °С	from -45 to +70
Weight, kg, no more than	0.2
Outer dimensions, 2 S-modules for 35mm DIN-rail, mm	90 х 52.6 х 69.1
Positioning	Free
Mounting to standard 35 mm DIN-rail
* Indicator switching-off is provided at supply voltage decrease more low 120 volt and blocking of functioning RМТ-101 at a supply voltage reduction more low 100 volt.