Wholesale Price China Automatic Transfer Switching Equipment-FTQ2E for Ghana Manufacturers
Exterior and dimensions
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|Body switch||FTB2-63 MCB Series|
|Rated voltage (V)：||AC 400(4P/3P); AC 230V(2P)/50HZ|
|Rated insulation voltage:||440|
|Rated impulse withstand voltage Uimp(KV):||4|
|Rated breaking Capacity：||6.5|
|Mechanical and electrical life:||electric||6000|
|Operating position:||Normally on,backup on,Normal and backup off|
|Operating transfer time:||≤1.5|
switch automaticly in condition of phase loss, pressure loss ,undervoltage and other power failure,
automatic change and automatic recovery ,automatic change and non automatic recovery,fire fighting
joint control, Manual/automatic adjustion,power/power on/tripping indication,fault alarm
|Controller Operating Voltage:||AC230V/50Hz|
|Undervoltage conversion value:||AC175V(±5)|
|Undervoltage return value:||AC190V(±5)|
|Conversion Delay(normal to backup):||0S-60S adjustable,factory default setting:5S|
|Return Delay（normal to backup:||0S-60S adjustable,factory default setting:5S|
|Size（L×W×H）mm:||248 × 125×121|
Stock generator has two 13 amp 120 volt volt stator coils in series, plan to place them in parallel for 26 amps at 120 volts. The stock config has the two white stator wires to the Neutral, with two hots the red and black 120 volts away from the Neutral and 240 volts across the read and black stator wires.
Excavators are heavy construction equipment consisting of a boom, stick, bucket and cab on a rotating platform known as the “house”. The house sits atop an undercarriage with tracks or wheels. A cable-operated excavator uses winches and steel ropes to accomplish the movements.They are a natural progression from the steam shovels and often mistakenly called power shovels. All movement and functions of a hydraulic excavator are accomplished through the use of hydraulic fluid, with hydraulic cylinders and hydraulic motors. Due to the linear actuation of hydraulic cylinders, their mode of operation is fundamentally different from cable-operated excavators.Excavators are also called diggers, JCBs (a proprietary name, in an example of a generic trademark), mechanical shovels, or 360-degree excavators (sometimes abbreviated simply to 360). Tracked excavators are sometimes called “trackhoes” by analogy to the backhoe.In the UK, wheeled excavators are sometimes known as “rubber ducks.” Excavators are used in many ways: Digging of trenches, holes, oundations,Material handling,Brush cutting with hydraulic attachments,Forestry work,Forestry mulching,Demolition ,General rading/l andscaping,Mining, especially, but not only open-pit mining,River ,redging,Driving piles, in conjunction with a pile driver Drilling shafts for footings and rock blasting, by use of an auger or hydraulic drill attachment Snow removal with snowplow and snow blower attachments.Modern, hydraulic excavators come in a wide variety of sizes. The smaller ones are called mini or compact excavators.For example, Caterpillar’s smallest mini-excavator weighs 2,060 pounds (930 kg) and has 13 hp; their largest model is the largest excavator available the CAT 6090, it weighs in excess of 2,160,510 pounds (979,990 kg), has 4500 hp and has a bucket size of around 52.0 m³ depending on bucket fitted. Engines in hydraulic excavators usually just drive hydraulic pumps; there are usually 3 pumps: the two main pumps are for supplying oil at high pressure (up to 5000 psi) for the arms, swing motor, track motors, and accessories, and the third is a lower pressure (700 psi) pump for Pilot Control, this circuit used for the control of the spool valves, this allows for a reduced effort required when operating the controls.
The two main sections of an excavator are the undercarriage and the house. The undercarriage includes the blade (if fitted), tracks, track frame, and final drives, which have a hydraulic motor and gearing providing the drive to the individual tracks, and the house includes the operator cab, counterweight, engine, fuel and hydraulic oil tanks. The house attaches to the undercarriage by way of a center pin. High pressure oil is supplied to the tracks’ hydraulic motors through a hydraulic swivel at the axis of the pin, allowing the machine to slew 360° unhindered.The main boom attaches to the house, and can be one of several different configurations:
Most are mono booms: these have no movement apart from straight up and down.Some others have a knuckle boom which can also move left and right in line with the machine. Another option is a hinge at the base of the boom allowing it to hydraulically pivot up to 180° independent to the house; however, this is generally available only to compact excavators. There are also triple-articulated booms (TAB).Attached to the end of the boom is the stick . The stick provides the digging force needed to pull the bucket through the ground. The stick length is optional depending whether reach (longer stick) or break-out power (shorter stick) is required.
On the end of the stick is usually a bucket. A wide, large capacity (mud) bucket with a straight cutting edge is used for cleanup and levelling or where the material to be dug is soft, and teeth are not required. A general purpose (GP) bucket is generally smaller, stronger, and has hardened side cutters and teeth used to break through hard ground and rocks. Buckets have numerous shapes and sizes for various applications. There are also many other attachments which are available to be attached to the excavator for boring, ripping, crushing, cutting, lifting, etc.Before the 1990s, all excavators had a long or conventional counterweight that hung off the rear of the machine to provide more digging force and lifting capacity. This became a nuisance when working in confined areas. In 1993 Yanmar launched the world’s first Zero Tail Swing excavator,which allows the counterweight to stay inside the width of the tracks as it slews, thus being safer and more user friendly when used in a confined space. This type of machine is now widely used throughout the world.There are two main types of “Control” configuration generally use in excavators to control the boom and bucket, both of which spread the four main digging controls between two x-y joysticks. This allows a skilled operator to control all four functions simultaneously. See https://en.wikipedia.org/wiki/Excavator