Auto Manual Dol Starter

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A DOL Starter is a Direct-On-line motor starter or across-the-line starter are used as a simple motor starter for large electric induction motors providing full-line voltage to the motor terminals. DOL Starters essentially operate as a basic stop/start switch for an electric motor and are often fitted with overload protection devices to prevent. Citation - submersible pump starter With 3 position selection (Manual- Manual SPP- Auto) Premium DOL: CPPYNAJ. CPPYNAK. CPPYNAL. CPPYNAMN. 6 – 9.3A 8.9 – 13.5A 13.2 – 20A 17.4 – 24A: Premium Star Delta: CPSDPYJ# CPSDPYK# CPSDPYLN CPSDPYMN. 6 – 9.3A 8.9 – 13.5A 13.2 – 20A 17.4 – 24A.

The information presented below is a collaborative effort by several people. The people providing this information may or may not be providing completely accurate information. The information may or may not be relevant to your situation or particular equipment and may or may not comply with local codes.

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The information should be used as a reference source only. If you are not sure about anything presented, please do not risk your safety, property or life. Hire an electrician.What is a Motor Starter?Motor Starters are switches specially designed for starting motors.

These switches are designed to withstand the larger loads required by motors. There are basically two types of motor starters, Manual Starters and Magnetic Starters.Motor Starters serve two main purposes:. The relay contacts are heavy duty and are rated for the motor starting current.

Service Panel circuit breakers are designed to protect building wiring, not motors plugged into wall receptacles. If your electrical box circuit breaker trips before your motor burns up, it is incidental, not on purpose. However, motor starters are designed to trip on heater overload before the motor they start burns up.Manual Motor StartersManual motor starters are simply manual switches designed to control larger current loads typical of motor control. They may be small and similar to the light switches in your home, or they may be much larger dedicated switches designed for control of high amperage circuits. These motor starters may be either Single Pole (switch one line only) or Double/ Pole devices (switch 2/3 lines). When a Double/Triple Pole manual motor starter is turned off, the power from the power cable is completely disconnected from the motor.

Manual motor starters may also be equipped with matched heaters, which are overload protectors designed to open when the current load is too high. These heaters must be properly sized to the motor they are protecting or else they will either open too soon, or will not protect the motor. The disadvantage to manual motor controls is that they cannot have remotely located On and Off controls.DO NOT USE LIGHT SWITCHES TO START MOTORSManual Starter? Follow the wiring sequence as below and merely ignore the control wiring in RED.There are single pole starters that should only be used for 120 volt motors.

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L1 is Line 1 in and should be the 'hot' black wire. T1 is Motor 1 out and goes from the starter to the motor. In this case, Neutral 'White' is carried through to the motor bypassing the starter altogether. This wiring should not be used on 240 volt circuits.240 volt, 1 phase motors should use a 2 pole starter. L1 is Line 1 in and should be connected to one of the 'hot' wires, L2 is Line 2 in and should be connected to the other 'hot' wire. T1 and T2 are the corresponding motor out connections and should be carried through to the motor.Three Phase motors require 3 pole starters and each of the 'hot' lines must be switched through the starter.Magnetic Motor StartersMagnetic Motor starters are essentially heavy duty relays, often equipped with heater/thermal overloads matched to the motor they start.

They are then controlled using a lighter duty (low or high voltage) circuit, and a control station (or several stations) utilizing lighter duty switches (usually momentary sometimes latching). These switches would not be capable of switching the large loads required by the motors. Because the control circuitry is separate from the Load circuit, the On/ controls can be mounted remotely and can even be duplicated if desired.This type of motor starter will usually have an auxiliary contact switch: a smaller set of contacts that opens or closes along with the motion of the main contactors. These contacts will be used to latch the system in an on condition (contacts shown in the picture below as 2- -3). Latching means that the auxiliary contact bypasses the ON button so the solenoid remains energized, until a separate OFF button cuts the power. Additional contacts (NO & NC) may also be provided and may be used for auxiliary circuits or to provide feedback to the rest of the system that the starter is engaged and the motor has power.Some older style motor starters have built-in latching.

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These starters have four terminals labeled 3, P, E, and C (historical leftovers from older models). The E and C terminals are for the hot and neutral wires, respectively, and remain powered. When power is applied to 3 and P at the same time, the starter will engage until power is removed from P. Power can be removed from 3 at any time without affecting operation. The wiring for these starters is not addressed below.TYPICAL WIRINGConnector numbers will vary among manufacturers - typical numbers in brackets.For the single phase connections the two current-carrying wires are designated 'hot' and 'neutral'.