# Power Relay, DPDT, 24 VDC, 50 mA, PLC-INTERFACE Series, DIN Rail
**URL**: https://novapart.co/products/2900349/power-relay-dpdt-24-vdc-50-ma-plc-interface-series
**SKU**: 2900349
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Power Relays
**Price**: €59.9300
**Stock**: 10+
**Lead Time**: 36 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Coil Type | - |
| Coil Voltage | 24VDC |
| Product Range | PLC-INTERFACE Series |
| Relay Mounting | DIN Rail |
| Coil Resistance | - |
| Contact Current | 50mA |
| Relay Terminals | Quick Connect |
| Contact Material | Silver Nickel |
| Contact Voltage Vac | 30V |
| Contact Voltage Vdc | 36V |
| Contact Configuration | DPDT |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3252399/)
https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
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 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 24 V DC
The figure shows a version with a screw connection
## Product Features
Optimum relay operation thanks to wide-range electronics
Vibration and shock resistance according to EN 50155
Safe isolation according to DIN EN 50178 between coil and contact
Certified according to EN 50155
Spring-cage and Push-in connection technology
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)
## Key commercial data
|Packing unit|1 pc|
|---|---|
|Weight per Piece (excluding packing)|99.99 GRM|
|Custom tariff number|85364190|
|Country of origin|Germany|
## Technical data
Note
EMC: class A product, see manufacturer's declaration in the download Utilization restriction area ~~ee~~ Dimensions Width 14 mm Height 80 mm ~~ee~~
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Technical data
## Dimensions
|Ambient temperature (operation)
Ambient temperature (storage/transport)
Coil side
~~ee~~|-40 °C ... 70 °C (Temperature class TX)
-40 °C ... 85 °C
~~ee~~|
|---|---|
|Nominal input voltage UN|24 V DC|
|Input voltage range in reference to UN|0.7 ... 1.25|
|Typical input current at UN|20 mA|
|Typical response time|5 ms|
|Typical release time|11 ms|
|Operating voltage display|Yellow LED|
|Protective circuit|Bridge rectifier Bridge rectifier|
||Free-wheeling diode Damping diode|
||Surge protection|
||RCZ filter|
||Wide-range electronics|
## Contact side
|Contact side|Free-wheeling diode Damping diode
Surge protection
RCZ filter
Wide-range electronics|
|---|---|
|Contact type|2 PDT|
|Contact material|AgNi, hard gold-plated|
|Maximum switching voltage|30 V AC|
||36 V DC|
|Minimum switching voltage|100 mV (at 10 mA)|
|Maximum inrush current|50 mA|
|Min. switching current|1 mA (at 24 V)|
|Limiting continuous current|50 mA|
|Interrupting rating (ohmic load) max.|1.2 W (at 24 V DC)|
|Note|the following values are applicable if a gold layer is destroyed|
|Maximum switching voltage|250 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 voltage|5 V AC/DC|
|Limiting continuous current|6 A|
|Maximum inrush current|8 A|
|Min. switching current|10 mA|
|Interrupting rating (ohmic load) max.|140 W (at 24 V DC)|
||100 W (at 48 V DC)|
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
|Technical data||
|---|---|
|Contact side||
|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 60947
2 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)
~~—_-~~||
|General||
|Test voltage relay winding/relay contact
Test voltage PDT/PDT
Operating mode
Degree of protection
Mechanical service life
Inflammability class according to UL 94
Standards/regulations
Rated surge voltage / insulation
Rated insulation voltage
Pollution degree
Surge voltage category
Mounting position
Assembly instructions
Connection data
Connection method
Stripping length
Conductor cross section stranded min.
Conductor cross section stranded max.
Conductor cross section solid min.
Conductor cross section solid max.
~~=~~|5 kVrms(50 Hz, 1 min.)
2.5 kVrms(50 Hz, 1 min.)
100% operating factor
Relay socket
RT III (Relay)
Approx. 3 x 10
7cycles
V0
EN 50155 (VDE 0115 part 200)
EN 50178
IEC 62103
EN 61373
EN 50121
6 kV / Basic isolation
250 V AC
2
III
any
In rows with zero spacing
Push-in connection
8 mm
0.14 mm²
2.5 mm²
0.14 mm²
2.5 mm²
~~|~~|
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Technical data
Connection data
Conductor cross section AWG/kcmil max 14 Conductor cross section AWG/kcmil min. 26 ~~es~~
## Classifications
## eCl@ss
|eCl@ss 4.0|eCl@ss 4.0|27371001|
|---|---|---|
|eCl@ss 4.1|eCl@ss 4.1|27371001|
|eCl@ss 5.0|eCl@ss 5.0|27371001|
|eCl@ss 5.1|eCl@ss 5.1|27371001|
|eCl@ss 6.0|eCl@ss 6.0|27371001|
|eCl@ss 7.0|eCl@ss 7.0|27371001|
|eCl@ss 8.0|eCl@ss 8.0|27371001|
|eCl@ss 5.0
27371001
eCl@ss 5.1
27371001
eCl@ss 6.0
27371001
eCl@ss 7.0
27371001
eCl@ss 8.0
27371001|eCl@ss 5.0
27371001
eCl@ss 5.1
27371001
eCl@ss 6.0
27371001
eCl@ss 7.0
27371001
eCl@ss 8.0
27371001|
|---|---|
|ETIM
ETIM 4.0
EC000196
ETIM 5.0
EC000196
~~ee~~||
|UNSPSC||
|UNSPSC 6.01|30211916|
|UNSPSC 7.0901|39121515|
|UNSPSC 11|39121515|
|UNSPSC 12.01|39121515|
|UNSPSC 13.2|39121515|
## Approvals
## Approvals
## Approvals
GL / UL Listed / cUL Listed / UL Recognized / cUL Recognized / cUL Listed / cULus Recognized / cULus Listed / cULus Listed / cULus Listed / null / null / null / null
Ex Approvals
Approvals submitted
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Approvals
Approval details
GL ~~CT~~
UL Listed cUL Listed UL Recognized
cUL Recognized
cUL Listed
cULus Recognized
cULus Listed
cULus Listed
cULus Listed ~~CT~~
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
Approvals
~~CT PT PT~~
## Accessories
Accessories
Bridge
Continuous plug-in bridge - FBST 500-PLC RD - 2966786
Continuous plug-in bridge, Length: 500 mm, Color: red
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
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Accessories
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
Single plug-in bridge - FBST 8-PLC GY - 2967688
Single plug-in bridge, Length: 8 mm, Number of positions: 2, Color: gray
~~a~~
Single plug-in bridge - FBST 14-PLC BK - 2967691
**==> picture [63 x 81] intentionally omitted <==**
**----- Start of picture text -----**
a
**----- End of picture text -----**
Labeled terminal marker
Single plug-in bridge, Length: 14 mm, Number of positions: 2, Color: black
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Accessories
Zack marker strip - ZB10,LGS:FORTL.ZAHLEN - 1053014
Zack marker strip, Strip, white, labeled, can be labeled with: Plotter, Printed horizontally: Consecutive numbers 1 - 10, 11 - 20, etc. up to 991 - 1000, Mounting type: Snap into tall marker groove, for terminal block width: 10.2 mm, Lettering field: 10.15 x 10.5 mm
## Mounting rail
DIN rail, unperforated - NS 35/ 7,5 V2A UNPERF 2000MM - 0801377
DIN rail, unperforated, Width: 35 mm, Height: 7.5 mm, Length: 2000 mm, Color: silver
DIN rail perforated - NS 35/ 7,5 PERF 2000MM - 0801733
DIN rail, material: steel galvanized and passivated with a thick layer, perforated, height 7.5 mm, width 35 mm, length: 2000 mm
DIN rail, unperforated - NS 35/ 7,5 CU UNPERF 2000MM - 0801762
DIN rail, material: Copper, unperforated, height 7.5 mm, width 35 mm, length: 2 m
DIN rail, unperforated - NS 35/15 UNPERF 2000MM - 1201714
DIN rail, material: Steel, unperforated, height 15 mm, width 35 mm, length: 2 m
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Accessories
DIN rail, unperforated - NS 35/15 CU UNPERF 2000MM - 1201895
DIN rail, material: Copper, unperforated, 1.5 mm thick, height 15 mm, width 35 mm, length: 2 m
DIN rail, unperforated - NS 35/15-2,3 UNPERF 2000MM - 1201798
DIN rail, material: Steel, unperforated, 2.3 mm thick, height 15 mm, width 35 mm, length: 2 m
DIN rail, unperforated - NS 35/15 AL UNPERF 2000MM - 1201756
DIN rail, deep drawn, high profile, unperforated, 1.5 mm thick, material: aluminum, height 15 mm, width 35 mm, length 2000 mm
DIN rail perforated - NS 35/15 PERF 2000MM - 1201730
DIN rail, material: steel galvanized and passivated with a thick layer, perforated, height 15 mm, width 35 mm, length: 2000 mm
DIN rail, unperforated - NS 35/ 7,5 UNPERF 2000MM - 0801681
DIN rail, material: Steel, unperforated, height 7.5 mm, width 35 mm, length: 2 m
Partition plate
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Accessories
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 - ZB10/WH-100:UNBEDRUCKT - 5060883
Zack marker strip, Strip, white, unlabeled, can be labeled with: Plotter, Mounting type: Snap into tall marker groove, for terminal block width: 10.2 mm, Lettering field: 10.15 x 10.5 mm
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https://www.phoenixcontact.com/us/products/2900349
## Relay Module - PLC-RPT- 24UC/21-21AU/RW - 2900349
## Accessories
Zack marker strip - ZB 10:UNBEDRUCKT - 1053001
Zack marker strip, Strip, white, unlabeled, can be labeled with: Plotter, Mounting type: Snap into tall marker groove, for terminal block width: 10.2 mm, Lettering field: 10.5 x 10.15 mm
## Drawings
## Diagram
## Diagram
**==> picture [443 x 150] intentionally omitted <==**
**----- Start of picture text -----**
20 a 107 ————
10 || TT}, a
6 106
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2 — ee een SS 1
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>» 1 SACS| 4 N |NUK 3 2 TT 105 oNSSS
2
0,5
0,3
BN 0,2 ee|
104
0,1 a 0 Lit 1 2 ti 3 4 | 5 tt 6 7 t 8 9 t 10
10 20 30 50 70 100 200 300
Switching voltage [V] Switching current [A] ——- >
1 AC, ohmic load 1 250 V AC, ohmic load (DC coils)
2 DC, ohmic load, contacts in series 2 250 V AC, ohmic load (AC coils)
3 DC, ohmic load
4 DC, L/R = 40 ms
Cycles
**----- End of picture text -----**
**==> picture [74 x 7] intentionally omitted <==**
**----- Start of picture text -----**
Electrical service life
**----- End of picture text -----**
Interrupting rating
Circuit diagram
**==> picture [149 x 83] intentionally omitted <==**
**----- Start of picture text -----**
21
24
22
A2 O 11
A1 3 14
12
**----- End of picture text -----**
Phoenix Contact 2014 © - all rights reserved http://www.phoenixcontact.com
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## Links
- [View this product on Novapart](https://novapart.co/products/2900349/power-relay-dpdt-24-vdc-50-ma-plc-interface-series)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/plc-rpt-24uc-21-21au-rw/power-rly-dpdt-24vdc-0-05a-din/dp/3252399)
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