---
title: "Metro - Power collection - GRU"
canonical: "/metro-power-collection-gru"
published: 2026-10-12
---

# Metro - Power collection - GRU

## Frame

## Frame

**Rail**

**Metro**

**Power collection**

**Pantographs and Strips**

**GRU**

**TRCC**

**Switches**

## Frame

### GRU O.N.ETM

##### One-fit-all Ground Return Unit O.N.E TM

##### GRU O.N.E is our featured earthing system for locomotives, XMUs, high speeds, and coaches. Combining 100+ years of return of experience of our legacy brands, this latest development features improvements in all areas that matter, interface, weight and maintenance.

##### Its innovative design and use of material ensuring safe operation and easy integration is available for new projects as well as retrofit of existing fleets.

###### POWER COLLECTION

##### GRU O.N.ETM

**Video**

**Customer benefits**

### GRU brushes

##### Ground Return Unit Brushes

##### Our pressed-to-size brushes come in over 4,500 different varieties ensuring you find the right one for your application. Our brushes can be integrated within a ready for use maintenance kit including fixations, O-rings for GRU overhaul.

###### POWER COLLECTION

##### GRU Brushes

**Customer benefits**

**GRU O.N.E**

**GRU Brushes**

## Frame