1) starting and stopping the motor. Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation.
Siemens 14dp32af81 Heavy Duty Motor Starter Ambient Compensated Bimetal Overload Manualauto Reset Open Type 3 Phase 3 Pole Standard Auxiliary Contacts 1 Nema Size 27a Contactor Amp Rating 120 Separate Control At
Number coil voltage overload relay setting range.
Siemens motor starter selection chart. • dol and asd starters are supplied without relays. For 50 cycle motors, multiply rpm by.83. Siemens canada limited power product catalogue.
Siemens / industrial controls previous folio: The main topics discussed in. The actual starting and rated data of the motor to be protected must be considered
Rpm shown for 60 cycle motors. Motor matched sizes siemens also has what are called motor matched sizes available. 3rv motor starter protectors up to 100 a.
Motor amps will vary depending on the type and manufacturer of the motor. Siemens starters continue to provide both proven protection and outstanding service. Relays are to be fitted at site.
A manual switch is a motor controller whose contact mechanism is operated by a mechanical linkage from a toggle handle or rotary handle. Sirius 3rv2 motor starter protectors up to 40 a for motor protection siemens ic 10 · 2011 5/13 * you can order this quantity or a multiple thereof. This rating can be obtained from the nameplate of the motor or from the motor manufacturer.
3rv motor starter protectors/circuit breakers up to 100 a siemens · 2012 5 general data size s0 motor starter protector 3rv1 motor starter protectors are compact, current limiting motor starter protectors which are optimized for load feeders. These average values, for motors with service factor of 1.15, are to be used only as a guide. A motor starter has two basic functions to perform;
Selection charts for dol starters (l&t switchgear) selection chart: To select a nema motor starter for a particular motor, one needs only to know the horsepower and voltage of the motor. When selecting a ca 7 contactor for the motor, be sure to refer to the column labelled as ac3 motor amps.
The sirius 3rm1 motor starters described here have been developed to carry out switching functions as part of a plant or machine. 0/3 section 1 iec motor starter protectors iec combination starters section 4 section 2 iec contactors fast bus power distribution system section 5 section. 2) providing adequate protection to the motor and safeguarding it in the event of sustained overloads, single phasing, locked rotor conditions and undervoltage.
The formulas at the bottom of the page may be used to obtain approximate amps for other motors. Since the early ‘90s, siemens nema starters with electronic overload protection have been installed on millions of motors. There may be occasions where only the motor size (in kw) is supplied.
The following sections take you trough concepts of motor starting and motor protection solutions. • refer table 1 for recommended selection of dol starters and table 2 for asd starters. Siemens motor starter selection chart.
Sirius hp rated magnetic starters. Jload < 10 xj motor. Siemens recommends the use of the selection and simulation
Siemens makes a wide variety and range of starters suitable A wide range of communications interfaces (profinet, profibus, ethernet/ip, modbus) Catalogue number selection guide starter series disconnect type starter type enclosure type contactor ref.
Please use the table below to estimate the ac3 motor amps rating. Fuseless protection for dol starter feeders with mccb / mpcb. Siemens manufactures the three commonly used electromechanical reduced voltage starters.
If products and components from other manufacturers are used, these must be recommended. Sirius iec hp rated starter. In the event of deviating conditions or increased switching frequency, it may be necessary to choose a larger device.
Selection of the soft starter depends on the rated motor current. Provides smoother acceleration of the load.