# TB, POWER DISTRIBUTION, 1POLE, 350KCMIL

![Product image](https://novapart.co/image/farnell:2500491/)

**URL**: https://novapart.co/products/1431126/tb-power-distribution-1pole-350kcmil
**SKU**: 1431126
**Manufacturer**: MARATHON SPECIAL PRODUCTS
**Category**: Connectors || Terminal Blocks & Accessories || Power Distribution Blocks
**Price**: €78.6300
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| No. Of Poles | 1 Pole |
| Rated Current | 310A |
| Rated Voltage | 600V |
| Line Side Connection Method | Screw |
| Load Side Connection Method | Screw |
| Line Side Connections Per Pole | 1 |
| Load Side Connections Per Pole | 1 |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2500491/)

## Product Data Sheet 

143X126 Replace “x” with 1, 2, or 3 for number of poles 

Power Terminal Block 

## 310 Amps  600 Volts AC/DC 

## Wire Range 

- Line:    (1) 350 kcmil - #6 AWG 

- Load: (1) 350 kcmil - #6 AWG 

## Electrical Ratings 

- 310 Amps 

- 600V per UL 1059 & CSA 22.2 No.158, class B & C requirements 

- Short circuit current ratings (SCCR): See SCCR section below for specifications. 

- CU7AL - 75°C connector terminal rating with copper or aluminum wire 

- Factory & Field Wiring 

## Agency Compliance 

- UR - UL Recognized Terminal Block, Evaluated to UL 1059, File No.XCFR2.E62806 

- CSA - certifed to C22.2 No. 158, File No. LR19766 (wire classes B & C only) 

- CE compliant to IEC 60947-7-1 

## Material Information 

- Insulator base: 

   - Phenolic 

   - Flammability rating of insulator base UL94V0 

   - Insulator base temperature rating: -40°C to 150°C (UL RTI) 

- Connector: aluminum, tin plated 

- Terminal set screws: aluminum, tin plated 

- Connector mounting screws: steel, zinc plated 

- RoHS compliant 

A Regal Brand 

1 

www.marathonsp.com 

## Termination Specifications 

|Line & Load Side<br>~~a ee~~|Wire Size<br>(CU Stranded)<br>~~ee~~|Torque|Wires /<br>Terminal|Wire Class (UL)1|
|---|---|---|---|---|
|~~a ee~~<br>O|350 - 300 kcmil<br>~~ee~~<br>~~ee~~|31.1 N·m (275 lbf·in)|1|B, C|
||250 - 2<br>~~ee~~<br>~~ee~~<br>~~ee~~|31.1 N·m (275 lbf·in)<br>~~ee~~|1|B, C, G, H, I (DLO)|
||4 - 6<br> ~~ee~~<br>~~ee~~|31.1 N·m (275 lbf·in)<br>~~ee~~|1|B, C|



- Aluminum wire range: 350 kcmil - #6 AWG 

- Wire strip length: 

   - line & load side taps: 1 1/16 in. (27mm) 

- Terminal screw drive: 5/16 in. hex 

1 For information on copper stranded wire classes please reference: http://www.marathonsp.com/CatalogPDFs/Flexible-Stranded-Wire.pdf 

## Installation & Accessories 

- Mounting (Panel): 

   - For use with #10 fastener. 

   - Mounting Torque to be determined in end use application not to exceed 30 lbf-in (3.4 N-m) 

- Covers: 

   - Flat covers available upon request 

   - Catalog Number: CC143x (replace “x” with number of poles) 

   - Covers are clear polycarbonate 

   - Accessory covers are not intended to provide insulation for electrical spacings. 

- Marker Strip:  white vinyl strip with mounting screws available. 

- Printing options available, consult customer service for specifications. 

2 

www.marathonsp.com 

PDS 0062 REV-D 01/27/19 

## Drawing 

3 

www.marathonsp.com 

PDS 0062 REV-D 01/27/19 



## Links

- [View this product on Novapart](https://novapart.co/products/1431126/tb-power-distribution-1pole-350kcmil)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/marathon-special-products/1431126/tb-power-distribution-1pole-350kcmil/dp/2500491)
---

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