motor starters

Selecting the right Motor Starter

Starters, contactors, NEMA, IEC and Overloads. These are some of the fundamental components of electrical systems. You can find these devices in just about every panel, across most applications, in multiple industries. Choosing the right starter for your needs can prove to be a challenging task. Here are some of the fundamental questions that you can ask to help you narrow your selections to the right device for your needs.

Motor Starter Nameplate Specifications:

• What is the motor voltage (V, single-phase or three-phase)?
• What is the hp of the motor?
• What is the Full Load Amps (FLA) of the motor?
• What is the service factor of the motor?

Reviewing the right Application:

What type of starter is needed for application?

• Full Voltage Non-Reversing
• Full Voltage Reversing
• NEMA
• IEC
• Definite Purpose

What is the control voltage being used (coil voltage)?

• 120VAC
• 125VDC
• 48VDC

What auxiliary contacts are needed?

• One normally open auxiliary contact comes standard with most starters.

What type of overload protection is needed?

• Bimetallic (Thermal)
• Solid State (Electronic)
• Advanced Monitoring Overload (Motor Insight)

Additional accessories?

• Heater packs
• Extra auxiliary contacts