PLC-INTERFACE for railway applications, consisting of basi - PHOENIX CONTACT - PLC-RSP- 72UC/21-21AU/RW - 2987134 View larger
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PLC-INTERFACE for railway applications, consisting of basi - PHOENIX CONTACT - PLC-RSP- 72UC/21-21AU/RW - 2987134

PLC-RSP- 72UC/21-21AU/RW





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PLC-INTERFACE for railway applications, consisting of basic terminal block with spring-cage connection and plug-in miniature relay with multi-layer gold contact, range: 0.7 x UN to 1.25 x UN, temperature class TX: -40°C to +70°C, 2 PDTs, input voltage 72 V DC

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Width14 mm
Height80 mm
Depth94 mm

Ambient conditions

Ambient temperature (operation)-40 °C ... 70 °C (Temperature class TX)
Ambient temperature (storage/transport)-40 °C ... 85 °C

Coil side

Nominal input voltage UN72 V DC
Input voltage range in reference to UN0.7 ... 1.25
Typical input current at UN6 mA
Typical response time5 ms
Typical release time11 ms
Coil voltage48 V DC
Protective circuitBridge rectifier Bridge rectifier
Free-wheeling diode Damping diode
Surge protection
RCZ filter
Wide-range electronics
Operating voltage displayYellow LED

Contact side

Contact type2 PDT
Contact materialAgNi, hard gold-plated
Maximum switching voltage30 V AC
36 V DC
Minimum switching voltage100 mV (at 10 mA)
Min. switching current1 mA (at 24 V)
Maximum inrush current50 mA
Limiting continuous current50 mA
Interrupting rating (ohmic load) max.1.2 W (at 24 V DC)
Notethe following values are applicable if a gold layer is destroyed
Maximum switching voltage250 V AC/DC (Separating plate PLC-ATP must be installed for voltages larger than 250 V (L1, L2, L3) between identical terminal blocks in adjacent modules.)
Minimum switching voltage12 V AC/DC
Limiting continuous current6 A
Maximum inrush current15 A (300 ms)
Min. switching current10 mA
Interrupting rating (ohmic load) max.140 W (at 24 V DC)
100 W (at 48 V DC)
60 W (at 60 V DC)
44 W (at 110 V DC)
60 W (at 220 V DC)
1500 VA (for 250 V AC)
Switching capacity in acc. with DIN VDE 0660/IEC 609472 A (at 24 V, DC13)
0.2 A (at 110 V, DC13)
0.2 A (at 250 V, DC13)
2 A (at 24 V, AC15)
2 A (at 120 V, AC15)
2 A (at 250 V, AC15)


Test voltage relay winding/relay contact5 kVrms (50 Hz, 1 min.)
Test voltage PDT/PDT2.5 kVrms (50 Hz, 1 min.)
Operating mode100% operating factor
Degree of protectionIP20 (Relay socket)
RT III (Relay)
Mechanical service lifeApprox. 3 x 107 cycles
Flammability rating according to UL 94V0
Standards/regulationsEN 50155 (VDE 0115 part 200)
EN 50178
IEC 62103
EN 61373
EN 50121
Rated surge voltage/insulation6 kV/Basic isolation
Rated insulation voltage250 V AC
Pollution degree2
Overvoltage categoryIII
Mounting positionany
Assembly instructionsIn rows with zero spacing

Connection data input side

Connection nameCoil side
Connection methodSpring-cage connection
Stripping length8 mm
Conductor cross section solid0.14 mm² ... 2.5 mm²
Conductor cross section flexible0.14 mm² ... 2.5 mm²
Conductor cross section AWG26 ... 14

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