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| MRX Series Ex-approved-Reed Relays MEDER electronic DESCRIPTION MRX Reed Relay Series are used for the galvanic separation of intrinsically safe and nonintrinsically safe circuits with an Ex-approval by PTB-01 ATEX 2050 U. The MRX series is also suitable for circuits of the category "ia" due to its peak voltage of 375 Voltage. FEATURES * Up to 4 form A switches or 1 form C switch are available according to the different castings. APPLICATIONS * Test and measurement * Process automatization in the mining industry, chemical industry and refineries. ORDER INFORMATION Part Example No. MRX05 - 1A71 05 is the nominal voltage 1A71 is the contact form COIL DATA Contact form Contact type Nominal voltage VDC 5 6 12 24 5 Coil resistance 10% Pull-in voltage VDC 3.8 4.5 9.0 18.0 3.8 4.5 9.0 18.0 3.8 4.5 9.0 18.0 Drop-out voltage VDC 1.0 1.0 2.0 3.5 1.0 1.0 2.0 3.5 1.0 1.0 2.0 3.5 Nominal power mW 70 100 110 98 100 144 160 165 200 288 288 324 All Data at 20o 360 360 1300 5880 250 250 890 3500 125 125 500 1780 1A/ 1C 21 71 79 90 71 79 2A 6 12 24 5 4A 71 79 6 12 24 www.meder.com 168 MEDER electronic DIMENSIONS All Dimensions in mm [inch] MRX Series Ex-approved-Reed Relays 1A / 1C 30 max. [1.181] 2A 30 14.5 max. max. [0.571] [1.181] 10 max. [0.394] 2.5 [0.098] 11 max. [0.433] 4A 30 max. 27.5 [1.181] [1.083] 10 max. [0.394] 10 max. [0.394] 3.2 0.2 [0.01] [0.126] 7] 3.2 0.2 [0.01] [0.126] 5 [0.197] PIN OUT (Top View) 3.2 0.2 [0.01] [0.126] 22.5 20 [0.886] [0.197] 1A 1C 2A 4A www.meder.com 169 0.2 3.2 [0.01] [0.126] 2.5 [0.098] 20 [0.197] 2.5 [0.098] 10 20 [0.394] [0.197] 2.5 [0.098] MRX Series RELAY DATA All Data at 20 C Contact Ratings Switching Power Switching Voltage Switching Current Carry Current Contact Resistance Isolation Resistance Breakdown Voltage MEDER electronic Switch Model Contact form Conditions Any DC combination of V & A not to exceed their individual max`s. Switch 71 Form A / dry Switch 79 Form A / dry Unit W Min. Typ. Max. Min. Typ. Max. 10 200VDC 10 220VAC DC or peak AC DC or peak AC DC or peak AC with 20 mV, 10 mA Across contacts Contact to coil Across contacts Contact to coil 1010 300 0.5 1 150 1011 400 0.5 0.2 0.3 2.0 0.4 2.0 0.5 1 150 A A m VDC Operate Time incl. Bounce With nominal voltage 0.8 0.4 ms ms pF Release Time Capacitance Life Expectance Switching 5 Volts & 10m A Environment Data Shock Resistance Vibration Resistance Ambient Temperature Storage Temperature Soldering Temperature Washability Without protective diode Across open contacts Contact to coil DC only & <1010 pF stray cap. 1000 1000 106 Cycles 1/2 sinus wave duration 11ms from 10 - 2000 Hz max. 10C/ minute allowable max. 10C/ minute allowable 5 Sec. dwell -20 -40 50 20 85 105 260 Fully sealed -20 -40 50 20 85 105 260 g g o C C C o o www.meder.com 170 MEDER electronic RELAY DATA All Data at 20 C Contact Ratings Switching Power Switching Voltage Switching Current Carry Current Contact Resistance Isolation Resistance Breakdown Voltage MRX Series Switch Model Contact form Conditions Any DC combination of V & A not to exceed their individual max`s. Switch 90 Form C / dry Switch 21 Form C / dry Min. Typ. Max. Min. Typ. Max. Unit 7 28 0.24 0.5 150 1010 300 10 100 W VDC A A m VDC DC or peak AC DC or peak AC DC or peak AC with 20 mV, 10 mA Across contacts Contact to coil Across contacts Contact to coil 0.25 0.5 150 1011 400 Operate Time incl. Bounce With nominal voltage 2 2 1.0 2.0 0.8 2.0 2.5 2 ms ms pF Release Time Capacitance Life Expectance Switching 5 Volts & 10 mA Environment Data Shock Resistance Vibration Resistance Ambient Temperature Storage Temperature Soldering Temperature Washability Without protective diode Across open contacts Contact to coil DC only & <1010 pF stray cap. 100 100 106 Cycles 1/2 sinus wave duration 11ms from 10 - 2000 Hz max. 10C/ minute allowable max. 10C/ minute allowable 5 Sec. dwell -20 -40 50 20 85 105 260 Fully sealed -20 -40 50 20 85 105 260 g g o C C C o o www.meder.com 171 |
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