GE
GE CR306C104 3P 460V Starter NEMA 1
Dependable Motor Control for Industrial ApplicationsThe GE Controls CR306C104 is a full voltage, non-combination, non-reversing motor starter designed for industrial applications. Its robust construction and reliable performance ensure efficient motor control. Key Features Type: Full Voltage, Non...
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Overview
Dependable Motor Control for Industrial Applications
The GE Controls CR306C104 is a full voltage, non-combination, non-reversing motor starter designed for industrial applications. Its robust construction and reliable performance ensure efficient motor control.
Key Features
Key Features
These non-reversing NEMA motor starters with thermal overloads have enclosures that protect their internal components from impacts, debris, and dust
Non-reversing motor starters connect and disconnect power to motors and other high-current equipment and machinery in a single direction
Thermal overloads, also known as heaters, prompt motor starters to break electrical connections with downstream equipment once a set temperature is reached to protect connected loads from overheating
They contain either bimetallic strips or melting alloy solder materials
When the current exceeds a predetermined threshold and temperatures rise, the material bends or liquefies, causing the thermal unit to break the circuit and cause the motor starter to break its power
Specifications
Type
Non-reversing NEMA motor starter
Poles
3P
Voltage Rating
460V
Enclosure Type
NEMA 1
Overload Protection
Thermal overloads (heaters)
Thermal Unit Mechanism
Bimetallic strips or melting alloy solder materials
Pros & Cons
👍 Pros
- Designed as a non-reversing NEMA motor starter, which is suitable for controlling motor power in a single direction.
- Includes enclosures that protect internal components from impacts, debris, and dust, enhancing durability in industrial environments.
- Features thermal overloads (heaters) that provide essential protection against motor overheating by breaking electrical connections.
- Utilizes bimetallic strips or melting alloy solder materials within its thermal units for reliable over-temperature circuit breaking.
- The system automatically breaks the power circuit when current exceeds a set threshold and temperatures rise, safeguarding connected loads.
👎 Cons
- This specific model is designed for non-reversing applications, meaning it cannot change motor direction without additional components.
- Rated for 460V, which may not be suitable for all industrial or commercial power systems that operate on different voltages.
- The NEMA 1 enclosure designation indicates it offers basic protection against solid foreign objects, but not against liquids or harsh environments requiring higher NEMA ratings.
- As a specialized motor starter, its functionality is limited to connecting and disconnecting power to motors and high-current equipment.
- Installation requires electrical knowledge to ensure proper connection and configuration within an electrical system.
Frequently Asked Questions
What is the primary function of the GE CR306C104 motor starter?
The GE CR306C104 is a non-reversing NEMA motor starter designed to connect and disconnect power to motors and other high-current equipment in a single direction.
Does this motor starter provide protection against overheating?
Yes, it includes thermal overloads, also known as heaters, which detect excessive temperatures and prompt the starter to break electrical connections to protect connected loads from overheating.
What type of enclosure does this motor starter have?
This motor starter features a NEMA 1 enclosure, which protects its internal components from impacts, debris, and dust.
What voltage is this GE motor starter rated for?
The GE CR306C104 motor starter is rated for 460V, making it suitable for systems operating at this specific voltage.
How do the thermal overloads in this starter work?
The thermal overloads contain bimetallic strips or melting alloy solder materials that bend or liquefy when the current exceeds a predetermined threshold and temperatures rise, breaking the circuit.
Can this motor starter reverse the direction of a motor?
No, this is a non-reversing motor starter, meaning it is designed only to control power in a single direction and cannot facilitate motor reversal on its own.
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