# DIN Rail Mount Terminal Block, Grey, 2 Ways, 70 mm², Bolt, 192 A

![Product image](https://novapart.co/image/farnell:4915038/)

**URL**: https://novapart.co/products/3247973/din-rail-mount-terminal-block-grey-2-ways-70-mm2
**SKU**: 3247973
**Manufacturer**: PHOENIX CONTACT
**Category**: Connectors || Terminal Blocks & Accessories || DIN Rail Terminal Blocks
**Price**: €14.1900
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| No. Of Levels | 1 |
| Product Range | - |
| Rated Current | 192A |
| Rated Voltage | 1.5kV |
| No. Of Positions | 2Ways |
| Wire Size Awg Max | - |
| Wire Size Awg Min | - |
| Conductor Area Csa | 70mm² |
| Wire Connection Method | Bolt |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4915038/)

## RBO 8-HC - Bolt connection terminal block 

3247973 

https://www.phoenixcontact.com/gb/products/3247973 

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. 

Bolt connection terminal block, nom. voltage: 1500 V, nominal current: 192 A, number of connections: 2, number of positions: 1, connection method: Bolt connection, Rated cross section: 70 mm[2] , mounting type: NS 35/7,5, NS 35/15, direct screw connection, color: gray 

## Your advantages 

- Mounting on standard DIN rails or directly in control boxes 

- Tested for railway applications 

## Commercial data 

|Item number|3247973|
|---|---|
|Packing unit|5 pc|
|Minimum order quantity|5 pc|
|Sales key|BE4412|
|Product key|BE4412|
|GTIN|4046356725071|
|Weight per piece (including packing)|193.6 g|
|Weight per piece (excluding packing)|176.228 g|
|Customs tariff number|85369010|
|Country of origin|CN|



## RBO 8-HC - Bolt connection terminal block 

## 3247973 

https://www.phoenixcontact.com/gb/products/3247973 

## Technical data 

## Product properties 

|Product type|Bolt connection terminal block|
|---|---|
|Product family|RBO|
|Area of application|Railway industry|
||Machine building|
||Plant engineering|
|Number of positions|1|
|Pitch|29 mm|
|Number of connections|2|
|Number of rows|1|
|Potentials|1|
|Insulation characteristics||
|Overvoltage category|III|
|Degree of pollution|3|



## Electrical properties 

Rated surge voltage 8 kV Maximum power dissipation for nominal condition 6.27 W 

## Connection data 

Number of connections per level Nominal cross section Connection method Stripping length 

Connection in acc. with standard 

2 

70 mm² 

Bolt connection 

The stripping length depends on the specification provided by the cable lug manufacturer. IEC 60947-7-1 

|Connection in acc. with standard|IEC 60947-7-1|
|---|---|
|Nominal cross section|70 mm²|
|Nominal current|192 A|
|Maximum load current|192 A (with 70 mm² conductor cross-section)|
|Nominal voltage|1500 V|



## Cable lug connection DIN 46234:1980-03 

Connection in acc. with standard DIN 46234:1980-03 Cross section 2.5 mm² ... 70 mm² Cross section range AWG (converted acc. to IEC) Hole diameter 8.4 mm Width 22 mm Bolt diameter 8 mm Screw thread M8 Tightening torque 6 ... 12 Nm Connection in acc. with standard DIN 46235:1983-07 Cross section 16 mm² ... 70 mm² 

2.5 mm² ... 70 mm² (converted acc. to IEC) 

Mar 27, 2026, 10:13�AM     Page 2 (11) 

## RBO 8-HC - Bolt connection terminal block 

## 3247973 

https://www.phoenixcontact.com/gb/products/3247973 

|Cross section range AWG|(converted acc. to IEC)|
|---|---|
|Hole diameter|8.4 mm|
|Width|24 mm|
|Bolt diameter|8 mm|
|Screw thread|M8|
|Tightening torque|6 ... 12 Nm|
|Connection in acc. with standard|DIN 46237:1970-07|
|Cross section|2.5 mm² ... 6 mm²|
|Cross section range AWG|(converted acc. to IEC)|
|Hole diameter|8.4 mm|
|Width|14 mm|
|Bolt diameter|8 mm|
|Screw thread|M8|
|Tightening torque|6 ... 12 Nm|
|Identification color of ring cable lugs : blue|2.5 mm²|
|Identification color of ring cable lugs : yellow|6 mm²|



## Ex data 

|x data||
|---|---|
|Rated data (ATEX/IECEx)||
|Identification|II 2 GD  Ex eb IIC Gb|
|Operating temperature range|-60 °C ... 110 °C|
|Ex-certified accessories|0800886 E/NS 35 N|
|List of bridges|/ RBO 8-VS 2 / 3213179|
||/ RBO 8-VS 3 / 3213182|
|Bridge data|187 A (70 mm²)|
|Ex temperature increase|40 K (187 A / 70 mm²)|
|for bridging with bridge|690 V|
|Rated insulation voltage|630 V|
|output|(Permanent)|
|Ex level General||
|Rated voltage|690 V|
|Rated current|187 A|
|Maximum load current|187 A|
|Contact resistance|0.06 mΩ|



## Ex connection data General 

Torque range 6 Nm ... 12 Nm Nominal cross section 70 mm² Rated cross section AWG 2/0 Connection capacity flexible 2.5 mm² ... 70 mm² Connection capacity AWG 12 ... 2/0 2 conductors with same cross section, stranded 2.5 mm² ... 70 mm² 2 conductors with the same cross-section AWG flexible 12 ... 2/0 

Mar 27, 2026, 10:13�AM     Page 3 (11) 

## RBO 8-HC - Bolt connection terminal block 

## 3247973 

https://www.phoenixcontact.com/gb/products/3247973 

## Dimensions 

|Dimensional drawing||
|---|---|
|Width|29 mm|
|Height|184 mm|
|Depth|66 mm|
|Depth on NS 35/7,5|67 mm|
|Depth on NS 35/15|74.5 mm|
|Bolt length|20.5 mm|
|Hole diameter|6.4 mm|
|Pitch|29 mm|



## Material specifications 

|Color|gray (RAL 7042)|
|---|---|
|Flammability rating according to UL 94|V0|
|Insulating material group|I|
|Insulating material|PA|
|Static insulating material application in cold|-60 °C|
|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|
|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|



## Electrical tests 

|Surge voltage test||
|---|---|
|Test voltage setpoint|9.8 kV|
|Result|Test passed|
|Temperature-rise test||
|Requirement temperature-rise test|Increase in temperature ≤ 45 K|
|Result|Test passed|
|Short-time withstand current 70 mm²|8.4 kA|
|Result|Test passed|



## RBO 8-HC - Bolt connection terminal block 

## 3247973 

https://www.phoenixcontact.com/gb/products/3247973 

||Power-frequency withstand voltage||
|---|---|---|
||Test voltage setpoint|2.2 kV|
||Result|Test passed|
||echanical properties||
||Mechanical data||
||Open side panel|No|
||echanical tests||
||Mechanical strength||
||Result|Test passed|
||Attachment on the carrier||
||DIN rail/fixing support|NS 32/NS 35|
||Test force setpoint|10 N|
||Result|Test passed|
||Test for conductor damage and slackening||
||Rotation speed|10 (+/- 2) rpm|
||Revolutions|135|
||Conductor cross-section/weight|70 mm²/10.4 kg|
||Result|Test passed|
||vironmental and real-life conditions||
||Needle-flame test||
||Time of exposure|30 s|
||Result|Test passed|
||Oscillation/broadband noise||
||Specification|DIN EN 50155 (VDE 0115-200):2022-06|
||Spectrum|Long life test category 2, bogie-mounted|
||Frequency|f1= 5 Hz to f2= 250 Hz|
||ASD level|6.12 (m/s²)²/Hz|
||Acceleration|3.12g|
||Test duration per axis|5 h|
||Test directions|X-, Y- and Z-axis|
||Result|Test passed|
||Shocks||
||Specification|DIN EN 50155 (VDE 0115-200):2008-03|
||Pulse shape|Half-sine|
||Acceleration|5g|
||Shock duration|30 ms|
||Number of shocks per direction|3|



## Mechanical properties 

## Mechanical tests 

## Environmental and real-life conditions 

Mar 27, 2026, 10:13�AM     Page 5 (11) 

## RBO 8-HC - Bolt connection terminal block 

## 3247973 

https://www.phoenixcontact.com/gb/products/3247973 

|Test directions|X-, Y- and Z-axis (pos. and neg.)|
|---|---|
|Result|Test passed|
|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 

|tandards and regulations||
|---|---|
|Connection in acc. with standard|IEC 60947-7-1|
|ounting||
|Mounting type|NS 35/7,5|
||NS 35/15|
||direct screw connection|



## Mounting 

Mar 27, 2026, 10:13�AM     Page 6 (11) 

## RBO 8-HC - Bolt connection terminal block 

## 3247973 

https://www.phoenixcontact.com/gb/products/3247973 

## Drawings 

Dimensional drawing 

**==> picture [356 x 374] intentionally omitted <==**

**----- Start of picture text -----**<br>
29 14,5<br>Ø6,4<br>23,5<br>88,9<br>**----- End of picture text -----**<br>


Mar 27, 2026, 10:13�AM     Page 7 (11) 

## RBO 8-HC - Bolt connection terminal block 

3247973 

https://www.phoenixcontact.com/gb/products/3247973 

Circuit diagram 

**==> picture [403 x 40] intentionally omitted <==**

Mar 27, 2026, 10:13�AM     Page 8 (11) 

## RBO 8-HC - Bolt connection terminal block 

3247973 

https://www.phoenixcontact.com/gb/products/3247973 

## Approvals 

To download certificates, visit the product detail page: https://www.phoenixcontact.com/gb/products/3247973 

||EAC<br>Approval ID: RU C-DE.BL08.B.00540|EAC<br>Approval ID: RU C-DE.BL08.B.00540|EAC<br>Approval ID: RU C-DE.BL08.B.00540||||
|---|---|---|---|---|---|---|
||||||||
|DNV|||||||
|Approval ID: TAE00004G1|||||||
||||||||
|||cULus Recognized<br>Approval ID: E60425|||||
|||Nominal voltage UN||Nominal current IN|Cross section AWG|Cross section mm2|
|B|||||||
|||600|V|175 A|-|-|
|C|||||||
|||600|V|175 A|-|-|
||||||||
|||IECEx<br>Approval ID: IECExSEV13.0003U|||||
|||Nominal voltage UN||Nominal current IN|Cross section AWG|Cross section mm2|
|keine|||||||
|||690|V|187 A|-|2.5 - 70|
||||||||
||ATEX<br>Approval ID: SEV13ATEX0132U||||||
|||Nominal voltage UN||Nominal current IN|Cross section AWG|Cross section mm2|
|keine|||||||
|||690|V|187 A|-|2.5 - 70|
||||||||
|||CCC<br>Approval ID: 2020322313000627|||||
||||||||
||UKCA-EX<br>Approval ID: CML 22UKEX1230U||||||
||||||||
|||EAC Ex<br>Approval ID: KZ 7500525010101950|||||



Mar 27, 2026, 10:13�AM     Page 9 (11) 

## RBO 8-HC - Bolt connection terminal block 

3247973 

https://www.phoenixcontact.com/gb/products/3247973 

## Classifications 

|ECLASS|ECLASS||
|---|---|---|
||ECLASS-13.0|27250101|
||ECLASS-15.0|27250101|
|ETIM|||
||ETIM 10.0|EC000897|
|UNSPSC|||
||UNSPSC 21.0|39121400|



Mar 27, 2026, 10:13�AM     Page 10 (11) 

## RBO 8-HC - Bolt connection terminal block 

3247973 

https://www.phoenixcontact.com/gb/products/3247973 

## Environmental product compliance 

## EU RoHS 

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



## EU REACH SVHC 

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

EF3.1 Climate Change CO2e kg 1.496 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, 10:13�AM     Page 11 (11) 



## Links

- [View this product on Novapart](https://novapart.co/products/3247973/din-rail-mount-terminal-block-grey-2-ways-70-mm2)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/3247973/terminal-block-2pos-1level-192a/dp/4915038)
---

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