# DIN Rail Mount Terminal Block, Green/Yellow, 2 Ways, 12 AWG, 4 AWG, 25 mm², Screw

![Product image](https://novapart.co/image/farnell:4915049/)

**URL**: https://novapart.co/products/443023/din-rail-mount-terminal-block-green-yellow-2-ways
**SKU**: 443023
**Manufacturer**: PHOENIX CONTACT
**Category**: Connectors || Terminal Blocks & Accessories || DIN Rail Terminal Blocks
**Price**: €6.4100
**Stock**: 50+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| No. Of Levels | 1 |
| Product Range | - |
| Rated Current | - |
| Rated Voltage | - |
| No. Of Positions | 2Ways |
| Wire Size Awg Max | 4AWG |
| Wire Size Awg Min | 12AWG |
| Conductor Area Csa | 25mm² |
| Wire Connection Method | Screw |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4915049/)

## USLKG 16 N - Protective conductor terminal block 

0443023 

https://www.phoenixcontact.com/gb/products/0443023 

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 documentation. Our general terms of use for downloads are valid. 

Protective conductor terminal block, When aligning with a feed-through terminal block with the same shape, an end cover must be interposed with insulation voltages of > 690 V, number of connections: 2, number of positions: 1, connection method: Screw connection, Rated cross section: 16 mm[2] , cross section: 2.5 mm[2] - 25 mm[2] , mounting method: PE foot with mounting screw, M4, mounting type: NS 35/7,5, NS 35/15, NS 32, color: green-yellow 

## Commercial data 

|Item number|0443023|
|---|---|
|Packing unit|50 pc|
|Minimum order quantity|50 pc|
|Sales key|BE1221|
|Product key|BE1221|
|GTIN|4017918002268|
|Weight per piece (including packing)|39.06 g|
|Weight per piece (excluding packing)|37.638 g|
|Customs tariff number|85369010|
|Country of origin|CN|



## USLKG 16 N - Protective conductor terminal block 

0443023 

https://www.phoenixcontact.com/gb/products/0443023 

## Technical data 

## Notes 

|General|When aligning with a feed-through terminal block with the same|
|---|---|
||shape, an end cover must be interposed with insulation voltages|
||of > 690 V|



## Product properties 

||Product type|Ground terminal block|
|---|---|---|
||Product family|USLKG|
||Number of positions|1|
||Number of connections|2|
||Number of rows|1|
||Insulation characteristics||
||Overvoltage category|III|
||Degree of pollution|3|
||ectrical properties||
||Rated surge voltage|8 kV|
||Maximum power dissipation for nominal condition|2.43 W|



## Electrical properties 

## Connection data 

|onnection data||
|---|---|
|Grounding foot|Yes|
|Number of connections per level|2|
|Nominal cross section|16 mm²|
|Connection method|Screw connection|
|Screw thread|M4|
|Note|Please observe the current carrying capacity of the DIN rails.|
|Tightening torque|1.5 ... 1.8 Nm|
|Stripping length|11 mm|
|Connection in acc. with standard|IEC 60947-7-2|
|Conductor cross-section rigid|2.5 mm² ... 25 mm²|
|Cross section AWG|12 ... 4 (converted acc. to IEC)|
|Conductor cross-section flexible|4 mm² ... 16 mm²|
|Conductor cross-section, flexible [AWG]|10 ... 6 (converted acc. to IEC)|
|Conductor cross-section flexible (ferrule without plastic sleeve)|1.5 mm² ... 16 mm²|
|Flexible conductor cross-section (ferrule with plastic sleeve)|1.5 mm² ... 16 mm²|
|Nominal cross section|16 mm²|



## Dimensions 

Width 12.2 mm Height 42.5 mm Depth on NS 15 52.6 mm Depth on NS 32 59 mm 

Mar 27, 2026, 3:47�PM     Page 2 (8) 

## USLKG 16 N - Protective conductor terminal block 

0443023 

https://www.phoenixcontact.com/gb/products/0443023 

|Depth on NS|35/7,5|54 mm|
|---|---|---|
|Depth on NS|35/15|61.5 mm|



## Material specifications 

|Color|green-yellow|
|---|---|
|Flammability rating according to UL 94|V0|
|Insulating material group|I|
|Insulating material|PA|
|Static insulating material application in cold|-60 °C|
|Temperature index of insulation material (DIN EN 60216-1 (VDE|130 °C|
|0304-21))||
|Relative insulation material temperature index (Elec., UL 746 B)|130 °C|
|Fire protection for rail vehicles (DIN EN 45545-2) R22|HL 1 - HL 3|
|Fire protection for rail vehicles (DIN EN 45545-2) R23|HL 1 - HL 3|
|Fire protection for rail vehicles (DIN EN 45545-2) R24|HL 1 - HL 3|
|Fire protection for rail vehicles (DIN EN 45545-2) R26|HL 1 - HL 3|
|Calorimetric heat release NFPA 130 (ASTM E 1354)|27,5 MJ/kg|
|Surface flammability NFPA 130 (ASTM E 162)|passed|
|Specific optical density of smoke NFPA 130 (ASTM E 662)|passed|
|Smoke gas toxicity NFPA 130 (SMP 800C)|passed|



## Mechanical properties 

General Terminal block mounting 1.5 Nm ... 1.8 Nm (PE foot with mounting screw, M4) Mechanical data Open side panel No 

## Environmental and real-life conditions 

|nvironmental and real-life conditions||
|---|---|
|Ambient conditions||
|Ambient temperature (operation)|-60 °C ... 110 °C (Operating temperature range incl. self-heating;|
||for max. short-term operating temperature, see RTI Elec.)|
|Ambient temperature (storage/transport)|-25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to|
||+70 °C)|
|Ambient temperature (assembly)|-5 °C ... 70 °C|
|Ambient temperature (actuation)|-5 °C ... 70 °C|
|Permissible humidity (operation)|20 % ... 90 %|
|Permissible humidity (storage/transport)|30 % ... 70 %|



## Standards and regulations 

Connection in acc. with standard IEC 60947-7-2 

## Mounting 

Mounting type NS 35/7,5 NS 35/15 

Mar 27, 2026, 3:47�PM     Page 3 (8) 

USLKG 16 N - Protective conductor terminal block 

## 0443023 

https://www.phoenixcontact.com/gb/products/0443023 

||NS|32|||
|---|---|---|---|---|
|Terminal block mounting|1.5|Nm ...|1.8|Nm (PE foot with mounting screw, M4)|



Mar 27, 2026, 3:47�PM     Page 4 (8) 

## USLKG 16 N - Protective conductor terminal block 

0443023 

https://www.phoenixcontact.com/gb/products/0443023 

## Drawings 

Circuit diagram 

**==> picture [405 x 121] intentionally omitted <==**

Mar 27, 2026, 3:47�PM     Page 5 (8) 

## USLKG 16 N - Protective conductor terminal block 

0443023 

https://www.phoenixcontact.com/gb/products/0443023 

## Approvals 

To download certificates, visit the product detail page: https://www.phoenixcontact.com/gb/products/0443023 

||CSA<br>Approval ID: 13631|CSA<br>Approval ID: 13631||||
|---|---|---|---|---|---|
|||Nominal voltage UN|Nominal current IN|Cross section AWG|Cross section mm2|
|keine||||||
|||-|-|22 - 4|-|
|||||||
|||cULus Recognized<br>Approval ID: E60425||||
|||Nominal voltage UN|Nominal current IN|Cross section AWG|Cross section mm2|
|B||||||
|||-|-|14 - 4|-|
|C||||||
|||-|-|14 - 4|-|
|||||||
|<br>NK<br>Approval ID: 09 ME 141||||||
|||||||
||DNV|||||
||Approval ID: TAE00001CT|||||
|||||||
|||cUL Recognized<br>Approval ID: E192998||||
|||Nominal voltage UN|Nominal current IN|Cross section AWG|Cross section mm2|
|keine||||||
|||-|-|22 - 4|-|
|||||||
|||UL Recognized<br>Approval ID: E192998||||
|||Nominal voltage UN|Nominal current IN|Cross section AWG|Cross section mm2|
|keine||||||
|||-|-|22 - 4|-|
|||||||
|||EAC Ex<br>Approval ID: KZ 7500525010101950||||



Mar 27, 2026, 3:47�PM     Page 6 (8) 

## USLKG 16 N - Protective conductor terminal block 

0443023 

https://www.phoenixcontact.com/gb/products/0443023 

## Classifications 

|ECLASS|ECLASS||
|---|---|---|
||ECLASS-13.0|27250103|
||ECLASS-15.0|27250103|
|ETIM|||
||ETIM 10.0|EC000901|
|UNSPSC|||
||UNSPSC 21.0|39121400|



Mar 27, 2026, 3:47�PM     Page 7 (8) 

## USLKG 16 N - Protective conductor terminal block 

0443023 

https://www.phoenixcontact.com/gb/products/0443023 

## Environmental product compliance 

## EU RoHS 

Fulfills EU RoHS substance requirements Yes, No exemptions Environment friendly use period (EFUP) EFUP-E No hazardous substances above the limits 

## China RoHS 

## EU REACH SVHC 

REACH candidate substance (CAS No.) No substance above 0.1 wt% 

EF3.1 Climate Change CO2e kg 0.494 kg CO2e 

Phoenix Contact 2026 © - all rights reserved https://www.phoenixcontact.com 

PHOENIX CONTACT Ltd Halesfield 13, Telford Shropshire, TF7 4PG 01952 681700 info@phoenixcontact.co.uk 

Mar 27, 2026, 3:47�PM     Page 8 (8) 



## Links

- [View this product on Novapart](https://novapart.co/products/443023/din-rail-mount-terminal-block-green-yellow-2-ways)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/443023/terminal-block-2pos-1level-screw/dp/4915049)
---

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