# Power Relay, DPDT, 48 VDC, 8 A, REL-MR Series, Through Hole
**URL**: https://novapart.co/products/2834834/power-relay-dpdt-48-vdc-8-a-rel-mr-series-through
**SKU**: 2834834
**Manufacturer**: PHOENIX CONTACT
**Category**: Switches & Relays || Relays || Power Relays
**Price**: €4.1800
**Stock**: 10+
**Lead Time**: 36 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Coil Type | - |
| Coil Voltage | 48VDC |
| Product Range | REL-MR Series |
| Relay Mounting | Through Hole |
| Coil Resistance | 5.52kohm |
| Contact Current | 8A |
| Relay Terminals | Solder |
| Contact Material | Silver Nickel |
| Contact Voltage Vac | 250V |
| Contact Voltage Vdc | 250V |
| Contact Configuration | DPDT |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3256207/)
https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
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)
Plug-in miniature power relay, with power contact, 2 PDTs, input voltage 48 V DC
## Why buy this product
RT III-proof (wash-proof) Switching current of up to 8 A
## Key Commercial Data
|Packing unit|1 STK|1 STK|1 STK|1 STK||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|Minimum order quantity|10 STK|10 STK||||||||||
|||||||||||||
|GTIN||||||||||||
|||||||||||||
|GTIN|4046356118910|||||||||||
|Weight per Piece (excluding packing)|16.000 g|||||||||||
|Custom tariff number|85364900|||||||||||
|Country of origin|Austria|||||||||||
## Technical data
## Dimensions
|Width|12.7 mm|
|---|---|
|Height|29 mm|
|Depth|15.7 mm|
|Ambient conditions||
|Ambient temperature (operation)|-40 °C ... 85 °C|
Coil side
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https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
## Technical data
## Coil side
Nominal input voltage UN 48 V DC Typical input current at UN 8.7 mA Typical response time 7 ms Typical release time 3 ms Coil resistance 5520 Ω ±10 % (at 20 °C) Power dissipation for nominal condition 0.42 W Contact side Contact type 2 PDT Type of switch contact Single contact Contact material AgNi Maximum switching voltage 250 V AC/DC Minimum switching voltage 5 V (at 10 mA) Min. switching current 10 mA (At 5 V) Maximum inrush current 25 A (20 ms) Limiting continuous current 8 A Interrupting rating (ohmic load) max. 190 W (at 24 V DC) 85 W (at 48 V DC) 60 W (at 60 V DC) 40 W (at 110 V DC) 60 W (at 220 V DC) 2000 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 250 V, DC13) 3 A (at 24 V, AC15) 3 A (at 120 V, AC15) 3 A (at 250 V, AC15) General Test voltage relay winding/relay contact 5 kV AC (50 Hz, 1 min.) Test voltage relay contact/relay contact 2.5 kV AC (50 Hz, 1 min.) Operating mode 100% operating factor Degree of protection RT III (wash-proof) Mechanical service life 3 x 107 cycles Mounting position any Assembly instructions Can be aligned without spacing (> 70 °C ≥ 2.5 mm) Connection data input side ~~[=]~~ Connection name Coil side ~~—-_~~ 02/09/2017 Page 2 / 8
https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
## Technical data
## Connection data input side
|Connection method|Plug / solder connection|
|---|---|
|Connection data output side||
|Connection name|Contact side|
|Connection method|Plug / solder connection|
|Standards and Regulations||
|Connection in acc. with standard|CUL|
|Standards/regulations|IEC 60664|
||EN 50178|
||EN 61810-1|
|Degree of pollution|3|
|Overvoltage category|III|
## Connection data output side
## Standards and Regulations
## Environmental Product Compliance
|China RoHS|Environmentally Friendly Use Period = 50|
|---|---|
||For details about hazardous substances go to tab “Downloads”, Category
“Manufacturer's declaration”|
## Drawings
## Diagram
Diagram
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1 =e 2 2 aS 0,30,2
0,8
0,6 0 Sreee 10 20 30 40 50 60 70 1 80 90 [_] 100 0,110 Ps 20 30 50 70 100 NS 200 300
Ambient temperature [°C] ——— » 1 ACG, ohmic load Switching voltage [V] ——— >
2 DC, ohmic load, contacts in series
1 DC coil: 3 DC, ohmic load
2 AC coils 4 DC, R= 40 ms
N
**----- End of picture text -----**
Operating voltage range
Interrupting rating
02/09/2017 Page 3 / 8
https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
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Diagram
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Diagram
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**----- End of picture text -----**
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**----- Start of picture text -----**
1
2
**----- End of picture text -----**
Electrical service life
Service life reduction factor with various cos phi
Circuit diagram
**==> picture [143 x 80] intentionally omitted <==**
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02/09/2017 Page 4 / 8
https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
**==> picture [64 x 9] intentionally omitted <==**
**----- Start of picture text -----**
Drilling diagram
**----- End of picture text -----**
a = pitch division 2.5 mm
Dimensional drawing
02/09/2017 Page 5 / 8
https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
## Classifications
|eCl@ss
eCl@ss 5.0
27371601
eCl@ss 5.1
27371601
eCl@ss 6.0
27371601
eCl@ss 7.0
27371601
eCl@ss 8.0
27371601
eCl@ss 9.0
27371601
~~ee~~|
|---|
|ETIM
ETIM 2.0
EC001437
ETIM 3.0
EC001437
ETIM 4.0
EC001437
ETIM 5.0
EC001437
ETIM 6.0
EC001437
~~SSS~~|
|UNSPSC
UNSPSC 6.01
30211916
UNSPSC 7.0901
39121515
UNSPSC 11
39121515
UNSPSC 12.01
39121515
UNSPSC 13.2
39122334
~~SSS~~|
|Approvals|
## Approvals
## Approvals
UL Recognized / cUL Recognized / EAC / EAC / VDE approval of drawings / cULus Recognized
Ex Approvals
Approval details
> UL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 228652 ~~Oo~~
02/09/2017 Page 6 / 8
https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
Approvals
> cUL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 228652 ~~So~~ EAC EAC-Zulassung ~~oo~~ RU C- EAC DE.A*30.B.01082 ~~oo~~ http://www.vde.com/en/Institute/OnlineService/ VDE approval of drawings 40007758 VDE-approved-products/Pages/Online-Search.aspx ~~So~~
> cULus Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm ~~oo~~ Accessories
## Additional products
Relay socket - PR1-BSC2/2X21 - 2833518 Relay socket PR1..., for miniature power relay or miniature switching relay with 1 or 2 PDT or solid-state relay of same construction, 2/2 level design, screw connections, connection facility for input/interference suppression modules ~~ae~~
Relay socket - PR1-BSC3/2X21 - 2833521 Relay socket PR1..., for miniature power relay or miniature switching relay with 1 or 2 PDT or solid-state relay of same construction, 1/3 level design, screw connections, connection facility for input/interference suppression modules
02/09/2017 Page 7 / 8
https://www.phoenixcontact.com/us/products/2834834
## Single relay - REL-MR- 48DC/21-21 - 2834834
## Accessories
Relay socket - PR1-BSP3/2X21 - 2833534
Relay socket PR1..., for miniature power relay or miniature switching relay with 1 or 2 PDT or solid-state relay of same construction, 1/3 level design, spring-cage connections, connection facility for input/interference suppression modules
Relay socket - RIF-1-BPT/2X21 - 2900931
RIF-1... relay base, for miniature power relay with 1 or 2 PDTs or solid-state relays of the same design, push-in connection, plug-in option for input/suppressor modules, for mounting on NS 35/7,5
Relay socket - RIF-1-BSC/2X21 - 2900930 RIF-1... relay base, for miniature power relay with 1 or 2 changeover contacts or identical solid-state relays, screw connection, plug-in option for input/interference suppression modules, for mounting on NS 35/7,5 ~~BS~~ Phoenix Contact 2017 © - all rights reserved http://www.phoenixcontact.com
02/09/2017 Page 8 / 8
## Links
- [View this product on Novapart](https://novapart.co/products/2834834/power-relay-dpdt-48-vdc-8-a-rel-mr-series-through)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/rel-mr-48dc-21-21/power-relay-dpdt-8a-250v/dp/3256207)
---
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