# Power Relay, SPDT, 110 VDC, 50 mA, PLC-INTERFACE Series, DIN Rail

![Product image](https://novapart.co/image/farnell:3252421/)

**URL**: https://novapart.co/products/2900323/power-relay-spdt-110-vdc-50-ma-plc-interface
**SKU**: 2900323
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Power Relays
**Price**: €58.7900
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Coil Type | - |
| Coil Voltage | 110VDC |
| Product Range | PLC-INTERFACE Series |
| Relay Mounting | DIN Rail |
| Coil Resistance | - |
| Contact Current | 50mA |
| Relay Terminals | Quick Connect |
| Contact Material | Silver Tin Oxide |
| Contact Voltage Vac | 30V |
| Contact Voltage Vdc | 36V |
| Contact Configuration | SPDT |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3252421/)

https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid 

(http://phoenixcontact.com/download) 

PLC-INTERFACE for railway applications, consisting of basic terminal block with push-in connection and plugin 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, 1 PDT, input voltage 110 V DC 

## Your advantages 

- Optimum relay operation thanks to wide-range electronics 

- Safe isolation according to DIN EN 50178 between coil and contact 

- Vibration and shock resistance according to EN 50155 

- Certified according to EN 50155 

Input voltage range of 0.7 to 1.25 x UN (1.4 x UN briefly) 

Temperature range from -40°C to +70°C (+85°C briefly) 

Spring-cage and Push-in connection technology 

## Key Commercial Data 

Packing unit 10 pc ~~esGn~~ GTIN ~~PI~~ GTIN 4046356510066 Weight per Piece (excluding packing) 33.670 g ~~———E~~ Custom tariff number 85364900 ~~[0~~ ~~**Ps** Pee~~ Country of origin Germany 

## Technical data 

## Note 

EMC: class A product, see manufacturer's declaration in the download Utilization restriction area 

## Dimensions 

|Width|6.2 mm|
|---|---|
|Height|80 mm|
|Depth|94 mm|



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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Technical data 

## 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 UN 110 V DC Input voltage range in reference to UN 0.7 ... 1.25 Typical input current at UN 2 mA Typical response time 4 ms Typical release time 4 ms Coil voltage 60 V DC Protective circuit Bridge rectifier Bridge rectifier Free-wheeling diode Damping diode Surge protection RCZ filter Wide-range electronics Operating voltage display Yellow LED Power dissipation for nominal condition 0.22 W Contact side Contact type 1 PDT Type of switch contact Single contact Contact material AgSnO, hard gold-plated Maximum switching voltage 30 V AC 36 V DC Minimum switching voltage 100 mV (at 10 mA) Min. switching current 1 mA (at 24 V) Maximum inrush current 50 mA Limiting continuous current 50 mA Interrupting rating (ohmic load) max. 1.2 W (at 24 V DC) Switching capacity 1 A (24 V (DC13)) 0.2 A (110 V (DC13)) 0.1 A (220 V (DC13)) 3 A (24 V (AC15)) 3 A (120 V (AC15)) 3 A (230 V (AC 15)) Contact side (with destroyed gold layer) Note the following values are applicable if a gold layer is destroyed 250 V AC/DC (Separating plate PLC-ATP must be installed for voltages Maximum switching voltage larger than 250 V (L1, L2, L3) between identical terminal blocks in adjacent modules.) Minimum switching voltage 12 V AC/DC ~~[=]~~ Limiting continuous current 6 A (see derating curve) ~~=~~ 01/24/2019   Page 2 / 11 

https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Technical data 

Contact side (with destroyed gold layer) 

|Contact side (with destroyed gold layer)||
|---|---|
|Min. switching current|10 mA|
|Interrupting rating (ohmic load) max.|140 W (at 24 V DC)|
||20 W (at 48 V DC)|
||18 W (at 60 V DC)|
||23 W (at 110 V DC)|
||40 W (at 220 V DC)|
||1500 VA (for 250 V AC)|
|Switching capacity|2 A (at 24 V, DC13)|
||0.2 A (at 110 V, DC13)|
||0.1 A (at 220 V, DC13)|
||3 A (at 24 V, AC15)|
||3 A (at 120 V, AC15)|
||3 A (at 230 V, AC15)|
|Connection data input side||
|Connection name<br>Coil side<br>Connection method<br>Push-in connection<br>Stripping length<br>8 mm<br>Conductor cross section solid<br>0.14 mm² ... 2.5 mm²<br>Conductor cross section flexible<br>0.14 mm² ... 2.5 mm²<br>0.2 mm² ... 2.5 mm² ()<br>2x 0.5 mm² ... 1 mm² ()<br>Conductor cross section AWG<br>26 ... 14<br>~~=>~~||
|Connection data output side||
|Connection name<br>Contact side<br>Connection method<br>Push-in connection<br>Stripping length<br>8 mm<br>Conductor cross section solid<br>0.14 mm² ... 2.5 mm²<br>Conductor cross section flexible<br>0.14 mm² ... 2.5 mm²<br>0.2 mm² ... 2.5 mm² ()<br>2x 0.5 mm² ... 1 mm² ()<br>Conductor cross section AWG<br>26 ... 14<br>~~==~~||
|General||
|Test voltage relay winding/relay contact<br>4 kVrms(50 Hz, 1 min.)<br>Operating mode<br>100% operating factor<br>Degree of protection<br>RT III (Relay)<br>IP20 (Relay base)<br>Mechanical service life<br>approx. 2x 10<br>7cycles<br>Mounting position<br>any<br>Assembly instructions<br>In rows with zero spacing<br>~~=>~~||
||01/24/2019   Page 3 / 11|



https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Technical data 

## Standards and Regulations 

|Connection in acc. with standard|CUL|
|---|---|
|Standards/regulations|EN 50155 (VDE 0115 part 200)|
||EN 50178|
||EN 61373|
||EN 50121|
|Rated insulation voltage|250 V AC|
|Rated surge voltage|6 kV|
|Degree of pollution|2|
|Overvoltage category|III|
|Flammability rating according to UL 94|V0|



## Environmental Product Compliance 

|China RoHS|Environmentally Friendly Use Period = 50|
|---|---|
||For details about hazardous substances go to tab “Downloads”,<br>Category “Manufacturer's declaration”|



## Drawings 

**==> picture [35 x 9] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diagram<br>**----- End of picture text -----**<br>


## Diagram 

**==> picture [509 x 269] intentionally omitted <==**

**----- Start of picture text -----**<br>
106 |a===CGa 1 | = | 5 2010642 ||TTT<br>105 a SL 1 | IN II<br>SSS 2 0,50,3 eae 1<br>104 a 0,2 a<br>0 2 4 6 8 0,1 PE EE EEE 7<br>Switching curren[A] —— —t > 10 20 30 50 ee 70 100 200 300<br>Switching voltage [V] ——— ><br>1 250 V AC, ohmic load 1 ohmic load<br>DC interrupting rating<br>Diagram Circuit diagram<br>7<br>8 65 ee<br>s 4 (| | | | | eeTy] ee<br>3<br>2 A2 11<br>- 1 ~- |Typ<br>0 A1 14<br>ee 0 30 35 40 45 50 py 55 py 60 65 70 2<br>Cycles<br>**----- End of picture text -----**<br>


Electrical service life 

**==> picture [112 x 43] intentionally omitted <==**

**----- Start of picture text -----**<br>
A2 11<br>A1 14<br>2<br>12<br>**----- End of picture text -----**<br>


Derating diagram 

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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Classifications 

|eCl@ss<br>eCl@ss 5.0<br>27371601<br>eCl@ss 5.1<br>27371600<br>eCl@ss 6.0<br>27371600<br>eCl@ss 7.0<br>27371601<br>eCl@ss 8.0<br>27371601<br>eCl@ss 9.0<br>27371601<br>~~oe~~|
|---|
|ETIM<br>ETIM 2.0<br>EC001437<br>ETIM 3.0<br>EC001437<br>ETIM 4.0<br>EC001437<br>ETIM 5.0<br>EC001437<br>ETIM 6.0<br>EC001437<br>~~SSS~~|
|UNSPSC<br>UNSPSC 6.01<br>30211916<br>UNSPSC 7.0901<br>39121515<br>UNSPSC 11<br>39121515<br>UNSPSC 12.01<br>39121515<br>UNSPSC 13.2<br>39122334<br>~~SSS~~|
|Approvals|
|Approvals|



## Approvals 

DNV GL / UL Listed / UL Recognized / cUL Recognized / cUL Listed / EAC / RC FRT / cULus Recognized / cULus Listed 

## Ex Approvals 

Approval details 

DNV GL http://exchange.dnv.com/tari/ TAE0000196-01  ~~OO~~ UL Listed http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 172140  ~~—~~ 

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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

Approvals 

> UL Recognized  http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 238705 ~~oo~~ 

> cUL Recognized  http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 238705 cUL Listed http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 172140  ~~ee~~ RU C- EAC DE.A*30.B.01082  ~~oo~~ RC FRT B.00094  

> cULus Recognized  ~~ee~~ cULus Listed  ~~oo~~ Accessories Accessories 

## Bridge 

Continuous plug-in bridge - FBST 500-PLC RD - 2966786 

Continuous plug-in bridge, length: 500 mm, color: red 

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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Accessories 

Continuous plug-in bridge - FBST 500-PLC BU - 2966692 Continuous plug-in bridge, length: 500 mm, color: blue / Continuous plug-in bridge - FBST 500-PLC GY - 2966838 Continuous plug-in bridge, length: 500 mm, color: gray 

Single plug-in bridge - FBST 6-PLC RD - 2966236 

Single plug-in bridge, length: 6 mm, number of positions: 2, color: red 

Single plug-in bridge - FBST 6-PLC BU - 2966812 

Single plug-in bridge, length: 6 mm, number of positions: 2, color: blue 

Single plug-in bridge - FBST 6-PLC GY - 2966825 

Single plug-in bridge, length: 6 mm, number of positions: 2, color: gray 

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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Accessories 

Single plug-in bridge - FBST 8-PLC GY - 2967688 

Single plug-in bridge, length: 8 mm, number of positions: 2, color: gray 

## DIN rail 

DIN rail, unperforated - NS 35/ 7,5 V2A UNPERF 2000MM - 0801377 

DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Stainless steel V2A, uncoated, length: 2000 mm, color: silver 

DIN rail perforated - NS 35/ 7,5 PERF 2000MM - 0801733 

DIN rail perforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, length: 2000 mm, color: silver 

DIN rail, unperforated - NS 35/ 7,5 CU UNPERF 2000MM - 0801762 

DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Copper, uncoated, length: 2000 mm, color: copper-colored 

DIN rail, unperforated - NS 35/15 UNPERF 2000MM - 1201714 

DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, length: 2000 mm, color: silver 

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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Accessories 

DIN rail, unperforated - NS 35/15 CU UNPERF 2000MM - 1201895 

DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Copper, uncoated, length: 2000 mm, color: copper-colored 

DIN rail, unperforated - NS 35/15-2,3 UNPERF 2000MM - 1201798 

DIN rail, unperforated, Standard profile 2.3 mm, width: 35 mm, height: 15 mm, acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, length: 2000 mm, color: silver 

DIN rail, unperforated - NS 35/15 AL UNPERF 2000MM - 1201756 

DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Aluminum, uncoated, length: 2000 mm, color: silver ~~So~~ DIN rail perforated - NS 35/15 PERF 2000MM - 1201730 DIN rail perforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, length: 2000 mm, color: silver 

DIN rail, unperforated - NS 35/ 7,5 UNPERF 2000MM - 0801681 

DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, length: 2000 mm, color: silver 

Labeled terminal marker 

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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Accessories 

Zack marker strip - ZB 6,LGS:FORTL.ZAHLEN - 1051016 

Zack marker strip, Strip, white, labeled, can be labeled with: CMS-P1-PLOTTER, printed horizontally: consecutive numbers 1 ... 10, 11 ... 20, etc. up to 491 ... 500, mounting type: snap into tall marker groove, for terminal block width: 6.2 mm, lettering field size: 6.15 x 10.5 mm 

## Partition plate 

Separating plate - PLC-ATP BK - 2966841 

Separating plate, 2 mm thick, required at the start and end of a PLC terminal strip. Furthermore, it is used for: visual separation of groups, safe isolation of different voltages of neighboring PLC relays in acc. with DIN VDE 0106-101, isolation 

## Power module 

Power terminal block - PLC-ESK GY - 2966508 

Power terminal block, for the input of up to four potentials, for mounting on NS 35/7.5 

## Screwdriver tools 

Screwdriver - SZF 1-0,6X3,5 - 1204517 

Actuation tool, for ST terminal blocks, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm, 2- component grip, with non-slip grip 

## Terminal marking 

Zack marker strip - ZB 6:UNBEDRUCKT - 1051003 

Zack marker strip, Strip, white, unlabeled, can be labeled with: PLOTMARK, CMS-P1-PLOTTER, mounting type: snap into tall marker groove, for terminal block width: 6.2 mm, lettering field size: 6.15 x 10.5 mm 

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https://www.phoenixcontact.com/in/products/2900323 

## Relay Module - PLC-RPT-110UC/21AU/RW - 2900323 

## Accessories 

Zack marker strip - ZB 6/WH-100:UNBEDRUCKT - 5060935 

Zack marker strip, Strip, white, unlabeled, can be labeled with: PLOTMARK, CMS-P1-PLOTTER, mounting type: snap into tall marker groove, for terminal block width: 6.2 mm, lettering field size: 6.15 x 10.5 mm 

## Marker for terminal blocks - UC-TM 6 - 0818085 

Marker for terminal blocks, Sheet, white, unlabeled, can be labeled with: BLUEMARK ID COLOR, BLUEMARK ID, BLUEMARK CLED, PLOTMARK, CMS-P1-PLOTTER, mounting type: snap into tall marker groove, for terminal block width: 6.2 mm, lettering field size: 5.6 x 10.5 mm 

## Marker for terminal blocks - UCT-TM 6 - 0828736 

Marker for terminal blocks, Sheet, white, unlabeled, can be labeled with: TOPMARK NEO, TOPMARK LASER, BLUEMARK ID COLOR, BLUEMARK ID, BLUEMARK CLED, THERMOMARK PRIME, THERMOMARK CARD 2.0, THERMOMARK CARD, mounting type: snap into tall marker groove, for terminal block width: 6.2 mm, lettering field size: 5.6 x 10.5 mm 

## Spare parts 

Single relay - REL-MR- 60DC/21AU - 2961134 

Plug-in miniature power relay, with multi-layer gold contact, 1 PDT, input voltage 60 V DC 

Phoenix Contact 2019 © - all rights reserved http://www.phoenixcontact.com 

01/24/2019   Page 11 / 11 



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- [Supplier page](https://es.farnell.com/phoenix-contact/plc-rpt-110uc-21au-rw/pwr-relay-spdt-110vdc-0-05a-din/dp/3252421)
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