MR-EI1W1P monitoring relays Multifunctions monitoring relays (AC current monitoring in 1-phase network, with adjustable thresholds and adjustable hysteresis) Monitoring windowfunction and histeresis Timing adjustment of tripping delay Supply voltage = monitored phase voltage Output: 1 CO (1 changeover contact) Cover - installation module, width 17,5 mm Direct mounting on 35 mm rail mount acc. to PN-EN 60715 Recognitions, certifi cations, directives: Output circuit - contact data Number and type of contacts 1 CO Rated load AC1 5 A / 250 V AC Max. breaking capacity AC1 1 250 VA (5 A / 250 V AC) Max. operating frequency at resistive load 100 VA 3 600 cycles/hour at resistive load 1 000 VA 360 cycles/hour Input circuit Supply voltage AC 230 V terminals (N)-Li Rated voltage AC 230 V Must release voltage AC: 0,2 Un Operating range of supply voltage 0,85...1,15 Un Rated power consumption AC 5,0 VA / 0,8 W Range of supply frequency AC 48...63 Hz Duty cycle 100% Measuring circuit measuring variable AC sinus, 48...63 Hz measuring inputs AC: 10 A / 230 V AC terminals (N)-Li-Lk overload capacity 13 A starting current 1 s: 100 A 3 s: 50 A input resistance 3 m swiching threshold Us MIN: 0,05...0,95 In MAX: 0,1...1,0 In hysteresis H adjustable setting Insulation according to PN-EN 60664-1 Rated surge voltage 4 000 V 1,2 / 50 s Overvoltage category III Insulation pollution degree 2 if built-in: 3 General data 5 Electrical life resistive AC1 > 2 x 10 1 000 VA 7 Mechanical life (cycles) > 2 x 10 Dimensions (L x W x H) 87 x 17,5 x 65 mm Weight 72 g o Ambient temperature storage -25...+70 C o operating -25...+55 C Cover protection category IP 20 PN-EN 60529 Relative humidity 15...85% Shock resistance 15 g 11 ms Vibration resistance 0,35 mm DA 10...55 Hz Meassuring circuit data Functions OVER, OVER+LATCH, UNDER, UNDER+LATCH, WIN, WIN+LATCH monitoring windowfunction and histeresis Range of delay timing adjustment tripping delay: 0,1...10 s Base accuracy 5% (calculated from the fi nal range values) Setting accuracy 5% (calculated from the fi nal range values) Repeatability 2% Temperature infl uence 1% / C Recovery time 500 ms LED indicator green LED U ON - indication of supply voltage U red LEDs MIN and MAX ON/OFF - indication of failure red LEDs MIN and MAX fl ashing - indication of tripping delay yellow LED R ON/OFF - output relay status Indication of relay status - according to the set threshold. 1 www.relpol.com.pl Export Sales Department phone +48 68 47 90 832, 951 e-mail: export relpol.com.pl 14.07.2014 MR-EI1W1P monitoring relays Functions OVER, OVER+LATCH - Overcurrent monitoring, overcurrent monitoring WIN, WIN+LATCH - Current monitoring in windowfunction between MIN with fault latch. and MAX values, current monitoring in windowfunction between MIN and MAX values with fault latch. When the supply voltage U is applied, the output relay R switches into on-position, if the measured current is below the MAX-value. When the When the supply voltage U is applied, the output relay R switches into measured current exceeds the MAX-value, the output relay R switches on-position, if the measured current is within the adjusted window. When into off-position after the interval of the tripping delay (Delay) has expired. the measured current leaves the window between MIN and MAX, the OVER: the output relay R switches into on-position again, if the current output relay R switches into off-position after the interval of the tripping falls below the MIN-value. delay (Delay) has expired. OVER+LATCH: the output relay R switches only into on-position again WIN: the output relay R switches into on-position again, if the current by interrupting and re-applying of the supply voltage, provided that the re-enter the adjusted window. measured current is below the MAX-value. WIN+LATCH: the output relay R switches only into on-position again by interrupting and re-applying of the supply voltage, provided that the UNDER, UNDER+LATCH - Undercurrent monitoring, undercurrent mo- measured current is within the threshold values. nitoring with fault latch. Front panel description When the supply voltage U is applied, the output relay R switches into on-position, if the measured current is beyond the MIN-value. When the measured current falls below the MIN-value, the output relay R switches into off-position after the interval of the tripping delay (Delay) has expired. Tripping delay- Green LED -adjusting knob UNDER: the output relay R switches into on-position again, if the current exceeds the MIN-value. UNDER+LATCH: the output relay R switches only into on-position again by interrupting and re-applying of the supply voltage, provided that the MAX threshold- Red LED measured current is beyond the MIN-value. -adjusting knob U - supply voltage R - output state of the relay MIN, MAX - relay status MIN threshold- SEQ - phase sequence Red LED -adjusting knob Function-adjusting Yellow LED knob 2 www.relpol.com.pl Export Sales Department phone +48 68 47 90 832, 951 e-mail: export relpol.com.pl 14.07.2014