SR-U Remote Racking System

Safe-T-Rack® SR-U remote racking devices are the leading remote racking systems for Low and Medium Voltage Circuit Breakers. With innovating 18V and 28V designs, it is the only battery-operated system that’s fully automated, portable, and scalable – to keep your team and equipment safe.
                          
Safe-T-Rack SR-U portable remote racking device

The Only Portable Remote Racking & Operation Device

Unrivaled Modularity

Our Motor Drive Unit engages with over 300 products to rack nearly every breaker on the market. If we don’t have a bracket for your breaker, we’ll custom build one.

Many designs are available as a No Mod design, meaning no permanent alterations or modifications to the cubical or breaker is required for use. 

We are constantly innovating our product to improve and define new industry standards. Every Smart Drive Bracket engages with a Handheld Controller so every unique racking function can be controlled from a safe distance.

» Custom Specifications

We design and deliver a system that works with your existing switchgear infrastructure

» Smart Safety Features

Auto-shutoff and auto-disconnect detection and programming protects operator and equipment

» Portable, Ergonomic Design

A remote racking device that’s easy for your crew to move and use

» Precision Engineering

In-house design and manufacturing for responsive innovation

» Universal System

One drive unit mounts on over 200 circuit breaker, powered by Milwakee 18V and 28V batteries

» Safest Distance

Working distance up to 150 feet keeps operators safe from Arc Flash Incidents

Designed with your crew’s
safety in mind.

A solution for every breaker

Universal Design

Our Motor Drive Unit (MDU), pictured below, secures to over 200 different Smart Drive Brackets (SDB) to rack almost every breaker in the field. The universal MDU does the hard work while our SRU SDBs are zinc plated, lightweight, and durable – built with portability and durability in mind.

If we don’t have a SDB for a breaker, we design and build them in-house at our state-of-the-art Tucson, Arizona facility. 

The Smart Drive Bracket

Our SRU Smart Drive Bracket system is custom designed for every individual breaker model. If we don’t already have a bracket for your breaker in our inventory of over 300 different designs, we’ll custom design one to fit your equipment.



Each bracket includes embedded logic and control cards containing application-specific parameters and automation control firmware. Our brackets know the exact racking procedure of the breaker without any user inputs, minimizing the chance of human error.

Fail-safe Features

Application specific:

  • Battery charge indicator
  • Automatic App ID
  • Torque limited output
  • Emergency stop available

Automatic recovery for:

  • Stall
  • Overtravel
  • Zero speed

Battery

The SR-U family proudly uses Milwaukee M18 and M28 series cordless power tool batteries. These provide ample energy for hundreds of different racking applications in our lineup. Two batteries are provided in the portable kit for quick field changes.

Cables

Included with the Handheld Controller, the SR-U control cable features high-cycle duty mating connectors. The cable assembly is available in 50-foot segments that can be tethered with three cables for up to 150 feet of safe distance for the operator.

Motor Drive Unit

The SR-U Motor Drive Unit is rated at 700W and has an integrated gearbox, digital drive unit, closed loop speed, and motor control. It's packaged in a resistant Delrin housing and features a quick-connect coupling and rotatable carrying handle.

The lightest on the market

Universal Handheld Controller (SR-U-HHC)

We designed the SR-U Handheld Controller (HHC) to operate with the SR-U family of tools. The operator has complete control and monitoring of every step of the breaker racking sequence. The HHC is packaged in a high- impact polymer case designed to withstand the daily wear and tear associated with heavy, industrial, and utility environments. Coupled with any of our Smart Drive Brackets, the Handheld Controller is the lightest and most durable breaker operating tool on the market.

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