Ontrak Engineering | Building Australia's Premier Mining …

Ontrak Engineering a world leader in the design and manufacture of heavy mining machinery and equipment …. read more. Ontrak Feeder Rentals owns and operates a fleet of Underground Flameproof Feeder Breakers, and one continuous….. read more. Ontrak Electrical Engineering market leaders in Flameproof Equipment solutions to both the ...

The basics of primary distribution circuits (substation branches, feeders…

A feeder is one of the circuits out of the substation. The main feeder is the three-phase backbone of the circuit, which is often called the mains or mainline. The mainline is normally a modestly large conductor such as a 500- or 750-kcmil aluminum conductor. Utilities often design the main feeder for 400 A and often allow an emergency …

What are the primary substation feeders? How to analyze …

Figure 1 – Four primary-system feeder arrangements. Radial feeders are the most widely used because they are simple, easy to protect, and low in cost. They are simple because there is only one path for current to any given load point. They are easily protected by simple overcurrent relays at the supply circuit breaker.

Motor Feeder Breaker Size | Information by Electrical

dickricker said: Hi, Following NEC 2011, I have a question concerning motor feeder circuit breaker size. Motor 1: 100 HP, 460 VAC, soft-starter controlled, NEC FLC = 124 A (Table 430.250) Motor 2: 500 HP, 460 VAC, soft-starter controlled, NEC FLC = 590 A (Table 430.250) Motor branch-circuit conductor ampacity not less than 125% NEC FLC …

McLanahan | Crawler-Mounted Feeder-Breakers

Crawler Mounted Feeder-Breakers can accept large feed lumps of friable minerals and produce a 6" to 8" (150mm to 200mm) one-dimensional product at rates up to 1200 tph (1080 mtph). A typical machine can hold up to two loads from a shuttle car and process each load in 80-90 seconds. These mobile units are capable of advancing with the belt …

McLanahan | Feeder-Breaker Brochure

Feeder-Breaker Brochure. Feeder-Breakers utilize a horizontal crushing roll and chain-and-flight drag conveyor to perform primary size reduction and meter the flow of material. The properly load belt conveyors at a controlled rate to transfer mined material from the haulage equipment to the discharge point, providing storage capacity and ...

Feeder Breaker | Building Australia's Premier Mining …

Welcome to Ontrak Engineering's Coal Feeder Breaker Site. We are the manufacturer of premium mining feeder breaker equipment for the coal industry of Australia, producing quality mining machinery to suite any application that the client may require. With decades of experience in the manufacture and overhauling of coal mining heavy machinery ...

Buffalo feeders, feeder breakers and sizers

The Buffalo feeders and feeder breakers are offered in mobile and semi-mobile plug and play versions to optimise feeding throughout the mine. Case: FL develops feeder for big petroleum manufacturer in South Africa. We executed one of these collaborative projects in partnership with a big petroleum manufacturer in South Africa. The client ...

McLanahan | Stationary/Mobile Feeder-Breakers

Stationary and Mobile Feeder-Breakers can accept large feed lumps of friable minerals and produce a 6" to 12" (150mm to 300mm) one-dimensional product at rates up to 6000 tph (5400 mtph). Depending on the feed arrangement, these units can be designed to hold up to two or three times the load from a haul truck, providing substantial storage ...

Feeder Breakers

Key Benefits. Reliable performance. Easy to operate. Backed by FL support. Stay updated on your industry. Customise a Feeder Breaker for cost-effective crushing and …

Feeder Breaker

Feeder BreakerThe Shumar Feeder Breaker is a robust machine designed for heavy-dutycoal mine operations. Our Feeder Breakers are designed to be fed from allthree sides and can be scraped onto the feeder, dumpers are not needed, withoutthe investment in high concrete walls. (No flame proof certification needed)We build our feeders according …

Customization and Modularization Deliver …

The Feeder-Breakers were required to process 1,000 tons per hour each, with a 600mm in-feed lump size and 200mm out-feed lump. With support from McLanahan's Indonesian agent, PT Suprabakti Mandiri, …

McLanahan | Feeding

McLanahan offers a large selection of feeders that are designed based on a producer's material size, weight and desired throughput. The feeders deliver material to a conveyor belt or crusher at a rate that matches the capacity of that machine. McLanahan feeders can be incorporated into an extensive number of combinations to produce systems ...

New Ontrak Feeder Breakers

Ontrak OFB-10 Feeder Breaker. The Ontrak OFB-10 Feeder Breaker has been specifically designed for out-bye work where space is at a minimum. the feeder is 2500mm wide and is equipped with tracks for positioning over the belt for side loading. The hydraulics are taken from and LHD's PTO, and once positioned are disconnected. this machine can be ...

What is the Difference Between a Busbar and a …

Ring Main Feeders. Ring main feeders are quite common in urban and industrial environments because the distribution transformers are connected with two feeders. The ring is separated by a circuit breaker, …

Joy underground feeder breakers | Crushing equipment

Crushing. Efficiency and productivity in sizing and feeding can unlock production growth for your operation and we offer material handling systems and expertise to help you do that. Our crushing equipment lineup includes feeder breakers, reclaim feeders, mobile crushers and sizers. Reclaim feeders Surface feeder breakers Joy underground feeder ...

Reliable Underground Feeder Breakers | FL

Feeder-breakers consist of three main sections – the hopper, the feeder section and the breaker section. These sections are incorporated into a robust and mobile machine that can be wheeled, tracked or skid-mounted, according to your requirements. ... Feeders available in either a flight-bar design, with two strands of heavy-duty chain, or ...

Feeders Vs Branch Circuits | Information by Electrical …

Feeders connect subpanels from the main panel, or the main panel from the service equipment. Branch circuits connect the branch overcurrent device (e.g. branch breaker) to each load. Or to a daisy-chained group of loads, as is the case with receptacle and lighting circuits.

Electrical Feeder Calculation

1 Power Factor is assumed to be 0.90. 2 Temperature Rating assumed to be 75°C. 3 Weights are approximate and do not include insulation weights. 4 Values Per 1000 feet. 5 Maximum length is based on a load that is 80% of the fuse size.

The facts about switchyards, incoming and outgoing feeder …

Fundamentals of High Voltage Circuit Breakers, Switching Stresses and Failure Modes (on photo: 345KV SF6 3PH Circuit Breaker; credit: wolfartistic.deviantart) Go back to Contents Table ↑. 2. Incoming and Outgoing Feeders. Incoming and outgoing feeders in switchgear are equipped with circuit …

FL Feeders, Feeder Breakers & Sizers

FL designs and manufactures a range of reclaim flight-bar chain feeders used primarily in stock pile reclaim facilities at coal mines or in the coal yard at power stations. …

Sub Panel Feeder Sizing | Information by Electrical

Jul 16, 2014. #3. I agree with Bob, You need to perform a load calculation to determine the feeder conductor size. FWIW 210.20 (A) requires the breaker to be sized at 125% of the continuous load in addition to the feeder conductors, so if you actually have 100 amps of continuous load you would be required to have a 125 amp breaker. Chris.

Understanding the Rules for Feeder Taps | EC&M

The ampacity of the tap conductors is not less than ⅓ the ampacity of the OCPD protecting the feeder. The tap conductors are terminated in a single circuit breaker or set of fuses having a rating no greater than the conductor ampacity as listed in Table 310.16. The tap conductors are suitably protected from physical damage or enclosed in a ...

Feeder-breakers

Solution File Stationary Feeder-Breakers for Surface Mining Feeder-Breaker crushes phosphate ore for conveyor belt transport at a rate of 2,000 TPH. The Joy Feeder-Breaker performs three important functions in a stationary installation: provision of surge capacity that allows the discharge of mined material at the maximum capacity of the haulage …

NEC Rules on Outside Branch Circuits and Feeders | EC&M

Minimum ratings for disconnecting means: • For installations consisting of a single branch circuit, the disconnecting means must have a rating of at least 15A [225.39 (A)]. • For installations consisting of two 2-wire branch circuits, the feeder disconnecting means must have a rating of at least 30A [225.39 (B)].

Reclaim feeders | Crushing equipment |

Reclaim feeders Reclaim feeders (2) Surface feeder breakers Surface feeder breakers (0) Joy underground feeder breakers Joy underground feeder breakers (0) Sizers Sizers (0) RF-27 RF-31 RF-40. Throughput Up to 1 500 MTPH / 2 500 MTPH / 3 600 MTPH Up to 1,650 TPH / 2,756 TPH / 4,000 TPH;

UFB-14 | Mining Corp.

The Joy UFB-14 feeder breaker is designed to cut operating costs and increase production rates by helping your mining, haulage and conveying systems to work efficiently. This machine provides a reliable means for continuous feeding and breaking of most bedded, mined materials. High throughput feeder breaker. Flexible for various machine options ...

Joy UFB-17 Feeder-Breaker

The UFB-17 feeder-breaker, designed for seam heights between 1,145 to 1,625 mm (48 to 64 in.), cuts your operating costs and increases your mine production by allowing your mining, haulage, and conveying systems to …

McLanahan | Feeder-Breakers vs. Feeders and Sizers

A McLanahan Feeder-Breaker is a Feeder and Crusher in one compact, low-profile, horizontal unit, and therefore will take up less vertical and horizontal footprint than a Feeder and Sizer. Feeder …

FEEDER PROTECTION SYSTEM

faulted feeders in ring bus or parallel feeder arrangements. It also allows detection of back feed of fault current from feeders with motors. Control Cold Load Pick Up Cold Load Pick up allows automatic or manual blocking or raising of trip settings for a period after the breaker has been closed. This feature adapts the pick up

SFB-29 Feeder Breaker |

Locator tool. The SFB-29 surface feeder breaker has a pick force of 250,000 lbf., a weight of 22 -33 tons and a throughput of up to 1,655 TPH.

Substation vs Feeder: Differences And Uses For Each One

The feeder breaker tripped due to an overload on the line. The feeder cable is buried underground to protect it from the elements. The feeder panel distributes power to several different circuits in the building. The feeder conductor is made of aluminum to reduce its weight. The feeder switch is used to control the flow of electricity to the load.

Article 215: Feeders | EC&M

Because a feeder occupies this "between space" in power distribution, feeder requirements are simpler and fewer than branch requirements. Consequently, Art. 215 is much shorter than Art. 210. Article 210 also devotes extensive space to dwelling-area branch circuits. But because they occupy the "between space" in power distribution ...

Double feeders | Information by Electrical Professionals for …

Aug 20, 2020. #1. Attached sketch meter stack has 2000A main breaker and 250A feeder breaker from meter stack feed two feeders as shown. One going to 100A disco and another going to second 100A disco. Feeder size is 3#350 + 4GRD. Question: 1. If meter stack is inside building then I see no reason why two feeders cannot be from same feeder breaker.