2900893

ACTIVE MODULE, 3.9A, 24VDC, 14POS

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: PHOENIX CONTACT
Product type: Controller Accessories
SVHC: Lead (21-Jan-2025)
Product Range: VARIOFACE UM
Current Rating: 3.9A

Delivery and price
Units per pack	1
Price	190.33 €
Current stock	10+
Lead time	30 days

Datasheet

https://www.phoenixcontact.com/gb/products/2900893 

## Active module - UM- 8RM/KSR-G24/21/MS/SI/PLC - 2900893 

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) 

VARIOFACE output module, with 8 miniature relays, 1 PDT with detectable manual operation and fuse each, plugged, for 24 V DC (incl. relay) 

## Your advantages 

- Slim overall width of just 127 mm 

- Polarity protection diode 

- Supply voltage indicator (LED) 

- LED status indicator and freewheeling diode per signal path 

- Fuse per output circuit as short-circuit protection 

Plug-in miniature relays each with a PDT with or without detectable manual operation 

4 Key Commercial Data Packing unit 1 pc ~~ee~~ GTIN ~~IE~~ GTIN ~~ee~~ 4046356545129 Weight per Piece (excluding packing) 435.000 g ~~a~~ Custom tariff number 85369010 ~~a~~ Country of origin ~~es~~ Germany Note ~~a~~ Made to Order (non-returnable) 

## Key Commercial Data 

## Technical data 

Note 

|Note|Note|
|---|---|
|Utilization restriction<br>EMC: class A product, see manufacturer's declaration in the download<br>area<br>~~es~~||
|Dimensions||
|Width|127 mm|
|Height|112 mm|
|Depth|62 mm|



01/02/2020   Page 1 / 6 

https://www.phoenixcontact.com/gb/products/2900893 

## Active module - UM- 8RM/KSR-G24/21/MS/SI/PLC - 2900893 

## Technical data 

## Ambient conditions 

|Ambient conditions||
|---|---|
|Ambient temperature (operation)|-20 °C ... 50 °C|
|Ambient temperature (storage/transport)|-20 °C ... 70 °C|
|Degree of protection|IP00|
|Input data||
|Nominal input voltage UN|24 V DC|
|Input voltage range in reference to UN|0.9 ... 1.1|
|Typical input current at UN|18 mA|
|Typical response time|9 ms|
|Typical release time|6 ms|
|Type of protection|Free-wheeling diode (integrated in relay)|
|Operating voltage display|Green LED|
|Status display/channel|Yellow LED (integrated in relay)|
|Output data||
|Contact type<br>1 PDT<br>Contact material<br>AgNi<br>Maximum switching voltage<br>250 V AC/DC<br>Minimum switching voltage<br>12 V AC/DC<br>Limiting continuous current<br>3.9 A (observe derating)<br>Min. switching current<br>10 mA<br>Interrupting rating (ohmic load) max.<br>93 W (24 V DC)<br>62 W (48 V DC)<br>42 W (60 V DC)<br>55 W (110 V DC)<br>66 W (220 V DC)<br>975 VA (250 V AC)<br>Output fuse<br>4 A 5x20 fuse (slow-blow)<br>Fuse<br>5x20 fuse<br>General<br>No. of channels<br>8<br>With components<br>yes<br>Mechanical service life<br>5x 10<br>6cycles<br>Operating mode<br>100% operating factor<br>Mounting position<br>any<br>Assembly instructions<br>In rows with zero spacing<br>Color<br>green<br>Connection data<br>Connection name<br>Controller level<br>Connection method<br>IDC/FLK pin strip<br>Number of connections<br>1~~_~~<br>~~a~~||
||01/02/2020   Page 2 / 6|



https://www.phoenixcontact.com/gb/products/2900893 

## Active module - UM- 8RM/KSR-G24/21/MS/SI/PLC - 2900893 

## Technical data 

## Connection data 

Number of positions 14 Pitch 2.54 mm Connection data 2 Connection name Field level Connection method Screw connection Stripping length 8 mm Screw thread M3 Conductor cross section solid 0.2 mm² ... 4 mm² Conductor cross section flexible 0.2 mm² ... 2.5 mm² Conductor cross section AWG 24 ... 12 ~~SS~~ Connection data 3 Connection name Supply Connection method Screw connection Stripping length 8 mm Screw thread M3 Number of connections 2 Conductor cross section solid 0.2 mm² ... 4 mm² Conductor cross section flexible 0.2 mm² ... 2.5 mm² Conductor cross section AWG 24 ... 12 ~~Ss~~ Supported controller Controller MITSUBISHI MELSEC Q - suitable I/O card QY82P Controller MITSUBISHI MELSEC L - suitable I/O card LY41PT1P LY42PT1P ~~=—S—~~ Standards and Regulations Designation Air and creepage distances, output/output Standards/regulations DIN EN 50178 IEC 60664 Rated insulation voltage 260 V AC Rated surge voltage 4 kV (Basic insulation between output contact current paths) 6 kV (Safe isolation and reinforced insulation between input circuit and output contact paths) Pollution degree 2 Overvoltage category III Environmental Product Compliance REACh SVHC Lead 7439-92-1 China RoHS Environmentally Friendly Use Period = 50 ~~=~~ 01/02/2020   Page 3 / 6 

https://www.phoenixcontact.com/gb/products/2900893 

## Active module - UM- 8RM/KSR-G24/21/MS/SI/PLC - 2900893 

## Technical data 

Environmental Product Compliance 

For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration” 

## Drawings 

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

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


Derating curve for limiting continuous current 

**==> picture [61 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit diagram<br>**----- End of picture text -----**<br>


01/02/2020   Page 4 / 6 

https://www.phoenixcontact.com/gb/products/2900893 

## Active module - UM- 8RM/KSR-G24/21/MS/SI/PLC - 2900893 

## Classifications 

## eCl@ss 

|eCl@ss||
|---|---|
|eCl@ss 4.0|27371100|
|eCl@ss 4.1|27371100|
|eCl@ss 5.0|27371000|
|eCl@ss 5.1|27371000|
|eCl@ss 6.0|27371000|
|eCl@ss 7.0|27141152|
|eCl@ss 8.0|27141152|
|eCl@ss 9.0|27141152|
|ETIM<br>ETIM 5.0<br>EC002780<br>ETIM 6.0<br>EC002780<br>ETIM 7.0<br>EC002780<br>~~_—————~~||
|UNSPSC||
|UNSPSC 6.01|30211916|
|UNSPSC 7.0901|39121515|
|UNSPSC 11|39121515|
|UNSPSC 12.01|39121515|
|UNSPSC 13.2|39121432|
|UNSPSC 18.0|39121432|
|UNSPSC 19.0|39121432|
|UNSPSC 20.0|39121432|
|UNSPSC 21.0|39121432|



## Approvals 

## Approvals 

Approvals 

EAC 

Ex Approvals 

Approval details 

RU C- EAC DE.A*30.B.01742  ~~ee~~ 01/02/2020   Page 5 / 6 

https://www.phoenixcontact.com/gb/products/2900893 

## Active module - UM- 8RM/KSR-G24/21/MS/SI/PLC - 2900893 

## Accessories 

Accessories Retaining bracket Retaining bracket - SIM-ERSN-HB-KSR/MET - 2271497 Retainer, for miniature switching relays or miniature optocouplers ~~<_e~~ Single relay Single relay - REL-MR- 24DC/21HC/MS - 2987888 

Plug-in miniature relay, with power contact, 1 PDT, test button, mechanical switch position indicator, status LED, freewheeling diode, polarity A1+, A2-, input voltage 24 V DC 

Phoenix Contact 2020 © - all rights reserved http://www.phoenixcontact.com 

01/02/2020   Page 6 / 6

Updated at April 11, 2026

Phoenix Contact is a global leader in industrial connection technology, automation systems, and electronic interface solutions. With decades of engineering heritage originating in Germany, the company develops robust components designed to ensure reliable power, data, and signal transmission across demanding manufacturing and industrial environments. The cornerstone of the Phoenix Contact portfolio is its industry-leading selection of connection technologies. The range features an exceptional variety of terminal blocks, including pluggable headers and sockets, highly reliable wire-to-board solutions, and versatile DIN rail terminal blocks. These foundational connectivity components are supported by a comprehensive ecosystem of power distribution blocks, interface modules, marking systems, and accessories engineered for seamless control cabinet wiring. Beyond physical connectivity, Phoenix Contact provides critical components for advanced automation, control, and system protection. The wider offering encompasses a broad spectrum of process controllers, high-efficiency AC/DC converters, and a comprehensive suite of power, safety, and solid-state relays. From precision signal converters and electronic circuit breakers to fiber optic cable assemblies, Phoenix Contact equips engineers with the high-performance technologies required to build secure, highly efficient, and future-ready industrial systems.

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